1/3/2007

Acetone in Gasoline – BUSTED!
Filed under: Acetone & Gasoline,Energy,Engineering,General,Technology — nobrainer @ 11:03 pm

[Editor's note: In recent tests, I got only a moderate, 5%-8% (if that much), improvement due to acetone. Also, click the above Acetone & Gasoline link to see the most recent posts on the topic.]

Mythbusters finally tackled the issue and tested car performance with acetone mixed with gasoline. Was the mileage improvement touted by Louis Lapointe confirmed? Plausible? No. And no. Totally busted.

They didn’t test the full range of mixtures, but said they used about a 500:1 gasoline:acetone ratio. That’s about 2.56 fluid ounces per 10 gallons.

Fuel mileage curve with acetone

Just like the engineers at Kettering University, no improvement due to acetone was found. In fact, it looked as though mileage was decreased in all four of their scenarios (2 speeds times 2 cars) on the dyno.

I’m SHOCKED!

UPDATE: whoops! I thought tonight’s episode was new. I was wrong, according to Wikipedia it aired on May 10, 2006. And crazy ol’ LaPointe defends himself in his FAQ (seriously, read it and decide for yourself that the guy is nuts):

Did you know that MythBusters says acetone reduces mileage? I heard that. Of course it is false. The whole purpose of asking people to buy a ScanGauge is to find out the Truth for themselves. MythBusters created a myth rather than busted one. Perhaps they were paid to promote controversy with unscrupulous propaganda. Perhaps to create controversy to gain audience. But it looks like acetone was hurting somebody’s profits. Nobody pays me anything. I get my monthly SS and live off that, including what I spend on testing gasoline which is damned expensive. There are lots of things I could do with the money than waste it on a lie or keep searching for ways to improve mileage. Why do I do this? I do it for the public–for you folks, out of my good heart. The liars are not hurting me because I do not depend on them. They hurt the public with their unfounded and/or inaccurate opinions. Get a ScanGauge, people.

Is it possible MythBusters deliberately faked bad results with acetone? Possible for a simple reason. Their conclusion is out to lunch. This additive works in such tiny amounts that it could cost the industry billions in lost sales–keeping that money in your pockets. Here are just a few ways to rig a test for failure. Bad plug wires or bad spark plugs. Bad acetone with water or benzoate. Bad fuel mixture. Bad ignition timing and/or computer settings. An engine in poor condition. That is why I suggest you keep your engine and car in top condition when you test fuels with acetone, GP-7, neohexane or xylene. When I first started examining acetone for MPG back in the 50s, I found I could not depend on test results unless the engine was in excellent condition. Over the years I eventually found the parts that give best mileage. 50+ years of testing means I am a very stupid individual or lying like a rug to maintain this position on acetone and other mileage tips. Both my ScanGauges must be lying too. Be aware there are hundreds of people seriously testing fuels out there–who must be liars also. The Truth always comes out. Always. The method of testing I use is repeated over and over to avoid errors. I never test just once because gasoline changes. Everything changes. I guess I have tested acetone thousands of times by many different ways. I wonder if the same people who faked bad test results with acetone have also praised ethanol. Plus the good acetone comes from Klean-Strip or 100-percent pure from Sally Beauty Supply, that is worldwide.

Way back when I addressed this, I speculated that the guy was making money by selling ScanGuages, because half of his website is about buying one so you can do yourself the favor of testing your car.

Being credible shows up nowhere on the guy’s site. Like I said, his “data” exist on a level consistent with high schoolers and not with anyone with credible technical training. And he doesn’t bother to say something like “hey, buy any equipment you believe in and test for yourself.” It’s always ScanGuage ScanGuage ScanGuage!

The second paragraph from his FAQ is hilarious, too. Most of his defenders use really crapped out cars to test acetone before swearing that acetone works. Now he’s saying that your car must be in top working order for it to work. Keeping your car in top working order is the recommendation made by everyone who knows anything about cars. It’s also exactly what the oil and auto industries recommend (remember, according to LaPointe, these industries are doing everything they can to keep mileage down). But most of the people who would be into acetone are the people who do not want to spend money on repairs, upkeep, etc. (I also like how he capitalizes “truth.”)

Louis may be an honest guy, but if that’s the case he’s apparently a horrible scientist. Or he is a flat out liar. Either way, I find zero reason to believe the guy.

UPDATE 2 – 6/18/2007: LaPointe is right about one thing. Fuel mileage is highly variable and dependent upon conditions. So it is accurate to say “gasoline changes. Everything changes,” and that extensive testing must be done to verify something. And really, it should be done in the laboratory. If not done in the lab, the testing must start with an extensive testing of baseline conditions. That means, for the average driver, they must record months of mileage results and conditions to start with. Otherwise, without a solid baseline, any quantitative comparison is fairly useless. I venture to guess that the vast majority of people who report on their tests — myself included — have not sufficiently established a set of accurate baseline data.

To add to that, Chevron has had a very useful page about calculating mileage and what factors can affect your mileage and by how much. [Edit 2010-01-24: The Chevron page has been changed dramatically since I first linked to it, and is now much less useful.]

As an extra example, another episode of Mythbusters tested fuel mileage of a car at varying distances behind a semi. The results varied from about 32 mpg up to 44 mpg. Same car, same driver, same gas, same day, the distance behind the truck had a huge impact on mileage.

Links of interest:

UPDATE 3 – 6/18/2008: Just a few thoughts/comments from my end:

  • The above link to a Chevron page still works, but the page has changed significantly, which is a shame.
  • If you’re going to leave a comment, try to be smart about it. This means that at least a little bit of proofreading is a good idea. It also means that if you’re going to post your results from your own testing, describe things like how you established your baseline and what your baseline was and then go forward in describing the with-acetone results. Honestly, I’m getting a little tired of the dreadfully stupid comments being left these days. They are so bad that I can’t tell if they’re supposed to be serious or funny.
collapse john doe Says:

this guy is a fraud. I believe he is trying to sell his fogwarmer. He isn’t even close to being an engineer. The only thing he knows about cars is being a shadetree mechanic. None of his car facts even add up.

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collapse Jim Says:

Well, I don’t know about mileage, but in my ’83 ford LTD wagon it sure smooths out the rough idle while warming up. I don’t drive it much, just under a mile to work and back when it is raining or cold and I don’t want to walk, so mileage is not the issue for me. I just hate having my engine stall a a few blocks between work and home. A few cents of acetone fixed what repeated trips to a mechanic could not. Worth it for me.

 
collapse John Says:

Unbelieveable that there is still doubt that acetone will increase mileage…

As for Mythbusters – hate to say it, but this program is aimed at low-IQ, uneducated plebs! Also, they are only too happy to act as disinformation agents for bigoil when called upon – acetone value being a prime example. Another was the Bedini motor – although this has been already been duplicated and verified every bit as much as acetone, and even though those idiots had some MIT physicist (the same people that ‘proved’ “cold fusion” was bogus – despite the Pons/Fleishmann discovery having now been replicated 100’s of times, and MIT shown to have fraudiently tampered with the data at the time)’guiding’ them in the motors construction – IT DIDN’T EVEN HAVE MAGNETS FITTED!!! btw, the SG motor (schoolgirl – ‘cos a schoolgirl had built it with Bedini’s help) was making headlines at the time, so Mythbusters were called on to undermine it…

collapse nobrainer Says:

You have a very strange definition of the word “unbelievable.”

collapse testguy Says:

Trouble spelling also….”fraudiently”?????
Dazzle me some more brainiac.

 
 
 
collapse Ray Says:

You are right about myth busters. they are for idiots. Did you see the one about the moon missions. do you really think they would have had nasa’s help to prove we didn’t go to the moon. check into it. the myth busters are propaganda bs artists paid for by the government.

collapse John Says:

And you are delusional.

 
 
 
 
collapse Ryan Says:

I guess not that many people have ever heard of blind or double blind studies

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collapse tommy Says:

Double-blind describes an especially stringent way of conducting an experiment, usually on human subjects, in an attempt to eliminate subjective bias.

(from wikipedia)

with that’s said, i beleive suggesting double-blind trials on machines means double-ignorant..

collapse Mike Says:

Double blind in this case would be that the driver does not know if he has acetone in his tank or not. Just thinking that you’re getting better mileage may affect how you drive. You may drive more cautiously and carefully so as to not blow your gain in mileage.

Duh!
Because humans are involved, they need a blind study to limit the effect of the driver.

 
collapse matt Says:

In your description you said it was “usually used on humans”. Do we need to look up what usually means as well, or have you figured that out by now? Just because some thing is usually used on something doesn’t mean it can’t ever be used for something else. And, your not only testing the machine, like Mike said the way you drive has a lot to do about it. So what does that make you? Quadruple-ignorant???

 
 
 
collapse Brutus Says:

Really John Doe?

Have you tried it yourself???

I have, for over a year now! And YES, Acetone increases milage! And my truck runs sooo much better !!!

You must work for Big Oil or the Gov.

Go crawl under a rock! It’s people like you that are destroying us and the planet.

Oh and Ryan… no I just see ALOT of Blind People!

Brutus

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collapse nobrainer Says:

Is it just me, or do all the pro-acetone people use multiple punctuation marks?

collapse Dave Says:

Is it just me or is “no BRAIN er” a perfect name for you? You ask for comments from the public, but when they reply in a way that doesn’t agree with you, you ridicule them in such a childish way. Grow up my friend and let your knowledge grow by not always thinking you’re right, because it’s obvious you’re not.
At least show people the respect to have their own opinion.

 
collapse anonymous Says:

Ha ha, you’re gay.

collapse CJH Says:

Takes one to know one, cockfag.

 
 
 
collapse Notasheep Says:

Can’t believe people still fall for this stuff nowadays! Just like the resistor in your IAT sensor, O2 sensor compensates for the richness. No one has produced a study under ‘controlled’ conditions that produces these improvements, only studies that prove it’s in-effectiveness. Being a licsensed Automotive and Heavy Duty Diesel mechanic, I have seen these claims come and go, mechanical and chemical, with no definitive results. Here are 3 ways to increase your mileage, drive the speed limit, don’t sprint from stop to stop, maintain proper tire pressure….doing these 3 things can save you up to 30%……..without buying any chemicals, mechanical devices, or any major driving changes! There is no cure for stupid driving habits and poorly maintained vehicles!

collapse billy 2 Says:

for a mechanic you know very little about increasing mileage

collapse flip Says:

Actually he knows quite a bit. That is precisely the results that I witnessed in my 2003 Saturn Vue. Try to keep your RPM under 2000 when accelerating for a full tank of gas. Also, try to use your brakes as little as possible. This means you need to predict when you are going to stop, and try to coast to a stop instead of wasting your kinetic energy. You might be surprised at the results.

Look up hypermiling sometime.

 
collapse anon. Says:

wow you know i came to this forum looking for some intelligent usable information, but you know your comment was just so ignorant that i’m just gonna leave this comment and never come back, later “potential” good forum.

 
 
collapse somo Says:

you sure you are diesel mech hhhm you write like a Amish horse cart mech. on Amish acre

 
 
collapse Carleone Says:

But if it really worked how come places like Japan and Europe dont do it? Is the whole world controlled by OPEC? I thought freedom countries want to fight OPEC the oil whores. Seriously if it had a significant gain I think most scientists will be raising hell on the government.

 
collapse Zero260 Says:

Testing Octane for more than 20 years, have no doubt saying that actually Acetone DOES increase the “RESEARCH OCTANE” number,(Octane Laboratory tested) one of two octane testing criteria used to calculate the octane rating of any given fuel.

And don’t be fooled with those tablet additives since they just dont work.

Although, Acetone should be of very good quality with moisture contents < 1.0% or <10,000 ppm to avoid moisture damage to the engine.

Can also help test octane number if need to for this study.

 
 
collapse Doug Stewart Says:

Looks like “Brutus” sprung his devastating logic trap a day too early – today’s the Ides of March, not yesterday. Yesterday was Pi Day. Duh.

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collapse Cloned13 Says:

I just started experimenting with 100% acetone in my dodge truck. I bought the “100% actetone” at a drug store however, it has benzoate in it. Most of the literature I have read states that benzoate is bad for combustion, however, most of the acetones I have looked at have benzoate in it? Any suggestions?

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collapse nobrainer Says:

Get laboratory grade acetone from Fisher Scientific or Aldrich?

collapse Cloned13 Says:

Thanks no brainer, is this avaliable for public sale?

 
 
collapse JP Says:

Just as mentioned above… Klean Strip 100% (Or as close as chemically possible) Walmart, Lowes, Home Depot.

 
collapse SAM Says:

SALLYS BEUITY SUPPLY HAS IT AND ITS ON SALE ALL THIS MONTH (APRIL).

SAM

 
 
collapse Lucas Z (PA) Says:

The nay-sayers are nuts!!!!!!!!!!! I have consistently been getting better gas mileage in my 1998 Saturn SL2 while using 100% pure acetone. I avg about 240 miles to 10 gallons of gasoline without acetone, and can rack up a little over 300 miles on 10 gallons with acetone added. (Both numbers are a combination of hwy/city, plus me beating the crap out of it.) Say what you want, but I’ll continue average over 30 miles per gallon.

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collapse Brian S Says:

I recently started using acetone, but not after establishing a baseline MPG a month prior. Now it is a month after using acetone. My non-acetone MPG was 12.83. My new MPG is 14.86. I will continue to collect data before I really jump on the band wagon, especially with the transition from winter to spring driving conditions.

But I do have to agree about LaPointe. He doesn’t come off as being totally credible or scientific. I emailed him what I thought was a supportive letter suggesting more hard data to improve his credibility. I got back a speech about me being a nut case and just inflating my own ego, plus the usual speech about how he doesn’t get one cent for his research (wrong!!).

He was totally unprofessinal and certainly didn’t react like someone who is truly knowledgeable or scientific or only caring for his cause. I might think this one of the biggest scams around except for the fact that I know acetone worked for me. And maybe that is it. The acetone does seem to work but do the devices he recommends (or sells?? via a hidden partnership) really work all on their own?? So far not enough credible evidence for me.

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collapse John Says:

I tried using 100% acetone in my gas, and after 5 months, my fuel lines started to swell up. I only used 2.5 ounces in my 15 gallon tank. Definately not worth it.

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collapse Haywood Says:

My dad used to make racing fuel for our go karts back in the late 50’s . I remember well, his beakers and cans and jars of nitro-methane, acetone, benzene and Sunoco “blue”….if my memory serves me correct, the diaphragms in the Tillotson carbs and fuel lines never swelled.But our eyes did burn from the fumes…….

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collapse DEF Says:

Did he by any chance get cancer?
A lot of unexplained deaths, due to cancer, are due to people unwittingly inhaling VOC’s. Those poor nail technicians have babies with birth defects and nobody knows why?
Whenever I get a whiff of some solvent ‘flashing off’ I exhale immediately and get the heck outta-there… Ignorance in this case won’t protect the innocent from themselves. Don’t breathe this junk. Well, unless you’re an industrial solvent junkie. Then breathe deeeeeeply…

collapse Dan Says:

Acetone is not a carcinogen. It is naturally produced in your body as part of the energy cycle

 
 
 
collapse art Says:

I was a none believer until I used it on my 305 HO carb SS Monte Carlo. I have notice that my car saves 1/4 of a tank driving normally to and from work weekly as to without acetone. Also my car is so quit I can’t hear the engine running or knocking. Really wierd.

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collapse John Says:

I just starting reading about this acetone business. Interesting thoughts. I know refineries / oil companies and there is no conspiracy. The major problem I can see with putting acetone in gas is the vapor pressure. This is regulated and even a small amount will increase this dramatically. You can make cheaper gas with more butane (heavier than acetone) but can’t add more and still make the vapor pressure requirements. By the way, thats the difference between summer and winter gasoline, the requirements change with the season. The requirements are there to help control the vapors (pollution) from gasoline as it sits in tanks or is transfered between tanks.

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collapse Ray Says:

You can say that you know Oil companies and that there is no conspiracy, but the evidence is clear. If there is no conspiracy, Why is it that all oil companies raise their prices “equally” on the same day? Why is it that they have bought up every patent for carbuerators that would increase gas mileage? Why is it that the Auto makers switched from those carbuerators to fuel injection? The latter move sure wasn’t done to improve fuel economy, it was the only way they could ensure that “shade tree” mechanics wouldn’t be able to effectively work on cars. The conspiracy exists, The question is, How long before Americans get tired of paying for it?
One further thought, There was a man in Minneapolis a few years back who bought a new truck. He immediately noticed that he was getting better gas mileage than the vehicle was supposed to get. When he took it to the dealership for preventive maint., he mentioned how good the gas mileage was. The dealership checked and found that the truck was made to be sold in Europe, not the U.S.. They contacted the manufacturer, who contacted him. They offered him his choice of vehicles to give them back this vehicle. He refused, stating that he was happy and had no intention of giving up the truck. Soon after, his truck was stolen from his place of business while he worked. I don’t think you could call that coincedence. Why, if they have the technology to improve gas mileage for European vehicles, don’t they do it for American sold cars? It’s a conspiracy.

collapse nobrainer Says:

More compelling evidence…. some guy some where with some truck.

You’re just repeating old urban legends.

 
collapse Al Says:

I couldn’t have said it better Ray. Anyone who downplays acetone
in fuel either works for the oil companies or the govt.

 
collapse Pete Says:

Because, the europeans don’t require all the stupid pollution controls that the U.S. govt. mandates.
That’s why.

 
collapse I'm not giving out my name Says:

I laughed hard.

a) FI can get vastly superior metering accuracy then carbs, as well as staying in tune for much, much longer, as well as being less susceptible to changes in conditions, as well as being more accurate over a range of engine conditions. It’s much, much more efficient.

b) American spec emissions restrictions are different to European – if you have to, for example, really really cut down on NOx emissions from your engine (and in America this is the case), then you can’t run it as lean as you might want to. You could also wipe up some more emissions with more focus on the cat(alytic converter), but that can add more backpressure which in turn can drop fuel efficency. There are dozens of trade offs that have to be made which effect your fuel efficency, and it is also LUDICROUS to think that just because we have the technology, we will use it. We could add solar panels to cars so we wouldn’t need an alternator, and take a few Nm of stress off the engine. Should we? No, it would cost a stupid amount of money and give next to no benefit

 
collapse openminded Says:

Oil companies raise their prices equally because oil is a fungible commodity. It’s price is set internationally by market forces just like other fungible commodities such as wheat. This doesn’t mean that the market isn’t manipulated but it should make it clear that oil prices will always be substantially similar.

If you think that cars aren’t getting higher performance with fuel injection, you’re not paying attention. In the late 60’s, the Ford 302 put out 210 hp. in 2007, the Ford 5.0 (similar displacement) gets 300 hp. Fuel injection doesn’t count for all of this but it certainly contributes. Higher performance can be used to create greater fuel economy if that is what the consumers want.

Finally, the reference to some unknown individual who may have had their car stolen is totally ludicrous. If someone accidentally received a car intended for sale in a market outside the US, the vehicle may well have gotten better mileage because of reduced emission requirements in other countries. The manufacturer would not have needed to “steal” the car back because the EPA would happily do that job for them through legal channels.

Thanks Ray, its crackpots like you that have convinced me that there is nothing to this acetone business.

collapse OICU812 Says:

No, NOT similar dumbass! The 5.0 and the 302 are the exact same engine; only difference is they switched to a metric moniker like everybody else! Your credibility is “similarly” out the window!

You are the weakest-link, good bye!

 
 
 
 
collapse JRI-SS Says:

I havent tried it yet but from what ive seen acetone could POSSIBLY help MPG.

however if i was basing the credibility of the theory on the other things he claims in his FAQ i would say he is full of “”it””

any alcohol, (but mostly ethanol) can be made to be MORE economical than gasoline, BECAUSE it has a high octane rating, and very greatly cools the intake air, now taking from my experience in high performance engines if you greatly increase the compression ratio, and advance the timing you get combustion that is many many times more efficient. If you designed and tuned an engine to run off of JUST E85 you would have a %10 overall savings and at the same time have TWENTY FIVE PERCENT MORE OVERALL POWER.
“oh and by the way you can eat that cake too ya know”

water mixed with gasoline is not good but water INJECTION, is one of the best things you can do for performance and if used in moderation WILL increase efficiency. you want the water to be mostly liquid all the way into the combustion chamber. like ethanol, water cools the intake charge because of the vaproation and the heat absorbed by the liquid water, also since liquids cant be compressed, it raises combustion chamber pressure, which raises efficiency.

i could continue enlightening you but theres probably only going to be 5 people who read this anyway.

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collapse nobrainer Says:

Please continue.

 
collapse D-DAYv Says:

Your case would seem more believable if you didn’t have so many grammatical errors in your post. Maybe you should take a few english classes with your spare time instead of posting mindless gibber.

collapse Spellchecker Says:

Noone asked you to spellcheck… Thanks for your retention.

 
collapse anonymous Says:

Okay, D-Dayv. You cannot judge people by the way they write. It’s unfair and inaccurate. You simply don’t know what his experience is. You might as well judge people’s experience by the way they dress. Stop being a douche-bag and listen to what he’s trying to say, okay?

Oh, by the way, you forgot to capitalize the “e” in English. ;)

 
collapse gene Says:

Check out a doctors writing and get back to us

 
 
collapse richard rupe Says:

well then i must have been one of the lucky 5 i just started using acetone in my gas – i have a mitsubishi montero sport and its original miles are 18 city 22 hwy i guess but i want to see what happens over the next three weeks im using a 2.5 floz to 10 gal ratio– as of right now ive got no results to post – but i will be posting again within the next 2 weeks — we shall see whgat happens– worst possible cenario– i destroy my engine beyond repair–oh yes just a footnot — the engine does run about 15 -20 degrees hotter when sitting at a traffic light for more than 4 minutes but that has eased -as i said we shall see what happens ill keep you all posted

 
collapse Pete Says:

Only old single spool jet engines used water injection. Totally replaced by new fuel efficient fan engines.
The old radial piston engines on aircraft used 115/145 octane gasoline with superchargers that required
water / alcohol injection to prevent detonation. Modern autos don’t have the high compression necessary
to take advantage of high octane fuels, or water/alcohol injection. So…… dream on buddy.

collapse The Other Pete Says:

Yea, and a few of us with turbocharged cars. No, it’s not stock.

 
 
 
collapse DDMan Says:

No way Jose!!! I tried it in my 97 F150 with 5.4 L engine and lost 2 mpg. From 14.7 to 12.8.
With gasoline at over $3.00 a gallon it was a expensive lesson especialy after facturing the cost of the acetone. At this time I don’t think you can beat quality gasoline with a minimal amout of ethanol, like none.

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collapse dave Says:

so far it is working for me 17mpg to 23mpg. 3oz to 10 gal. 1996 3.0 plymouth minivan

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collapse Wes Says:

Currently using Acetone in my Corvette mileage went from 15.4 MPG to 19.5 MPG.

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collapse stan Says:

21.5 average town and country 3.8 2001 version
In two years all i ever got as a high was 22.8 mpg imperial
——————————–
25.1 with duralube
25.5 to 27.5 with acetone.

Same trip every weekend 52 times a year. was getting 366 miles per tank
now I get 399 miles per tank, which it never read before, for 2 years.

mpg are in imperial.

Highway 100 miles, city 125 miles city then I fill up.

I guess it does not at all work so I will give up and go back to 366 miles per tank…

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collapse Tx-James Says:

D-DAYv, It looks as though you’re looking for errors in writing and not focusing on what is written. From what I’ve read, there are substantial savings which can be attained from using acetone in gasoline. I see no reason to disbelieve what is written by the folks here who have real testimonies regarding the use of acetone in their gasoline. What I don’t understand is why you would be so critical of something which is “TOTALLY IRREVELANT TO THE SUBJECT”. I know many corporate execs who have poor spelling, but they can run a business and speak at shareholder’s meetings.

JRI-SS had a lot of good and intresting information to share and I for one appreciate what he had to say. Thank you JRI and please continue with what you were saying.

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collapse Emmett Says:

>It’s also exactly what the oil and auto industries recommend (remember >these industries are doing everything they can to keep mileage down).

You lost me there. The Oil and auto industries actively lobby against lower mileage standards. The exact opposite of your statement is true: oil and auto industry is doing everything they can to avoid keeping mileage down!

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collapse nobrainer Says:

I was repeating LaPointe’s claims. I have since edited that line for clarity.

Although I don’t think I believe that they lobby against lower mileage standards. I believe they lobby against higher mileage standards. Although I suppose they could lobby to simply have the standards remain unchanged.

 
collapse nunJaBiz Says:

Emmett is confused with the difference between up and down.

 
 
collapse Willyjoeshow Says:

All I know is I own a 2006 Dodge Caravan and have had it in the dealership 7 times for defective O2 sensors and the problem I am having with it kept occurring. I was getting only 10 mpg and having a lot of sputtering, stalling, check engine light on and loss of power until I started adding 2.5 oz Pure acetone per 10 gallons of 87 octane Shell gasoline. When we bought the vehicle it ran fine and I was getting appx 24 mpg city. now after using the “additive” I am getting appx 31 mpg city with no spitting, sputtering, power loss and the check engine light has not come on since. weather it’s a myth to everyone else or no who cares if it works for me then I am going to continue using it.

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collapse theringside Says:

I’d change gas stations! sounds like your local gas station is “cutting” the gas with petrolium sludge. this will cause your car to run like crap because it’s clogging your injectors. Acetone is used in most fuel injector cleaners.

 
collapse Circmand Says:

So acetone started giving you better mpg and fixed your O2 sensor. Hey Acetone gave me better mpg and helped me lose weight and grow back my hair. I am now super rich and dating a super model thanks acetone

 
 
collapse Phil Hoey Says:

Any long term users had any issues to damage to the fuel system? Just got a used Silverado 1500HD to haul my RV and was looking for way to ‘help’ the mileage a little since the K&N filters etc, only help when you get up in the power band, not down where the rest of us live.

Also does anyone store premeasured amounts in small containers? I would also guess you would want to add it to the gas before filling up to achieve max mixing.

I have no direct knowledge but I would guess that the reason gas companies do not put it in at when the gas is manufactured is that it will most likely evoporate before it gets to the consumer.

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collapse nobrainer Says:

http://peswiki.com/index.php/Directory:Acetone_as_a_Fuel_Additive suggests that some cars are definitely prone to damage. It makes sense because acetone will react differently with different materials. So some fuel systems will be safe and others may not be.

You raise an interesting point about vapor pressure (which is somewhat related to the ability to evaporate) that I hadn’t yet looked into. I doubt that acetone evaporates much more easily than gasoline in general, or some of the components of it, such as ethanol. However, there are regulations on gasoline related to vapor pressure. Dealers have to get waivers for certain gasolines blended with ethanol due to the vapor pressure issue. Since the logic goes that acetone will increase fuels ability to vaporize, it could be possible that if acetone came pre-mixed in gasoline, the vapor pressure would be too high and thus not allowable.

 
 
collapse Tom Says:

For the past three years I have been experimenting with acetone and have had only good results. I drive a ’99 24 OHV Ford Taurus and before I started using acetone I was getting about 17 mpg. My driving is mixed, about 50/50 in and out of town. After 30,000 miles this is what I found..

I have used a variety of mixtures and have found 1.5 oz of pure acetone gives me about 27 mpg. I discovered this after using 3 oz and 4 oz mixtures. The 3oz got me up to 22-23 mpg. My logic was that if “a little” bit works…MORE will be even better!.. WRONG!.. With the 4oz my mileage actually dropped back to about 18-19 mpg.

1 1/2 oz of the stuff works for me. Plus the engine runs “so much” smoother. I hate to use the metaphor of a “Singer sewing machine”…but that’s actually what I was thinking when I was grappling with the change in engine performance.

Also, the tail pipe is burning browner.. the plugs are tan. I can see how it might not work in some vehicles, but as far as I’m concerned; it’s the best thing since sliced bread!

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collapse Gabe Says:

I am totally sold to acetone, (3 oz per 16 gallons). The acetone in the gas not only increases mileage, but also makes the car to run smoothly, I am currently using acetone and I will continue using acetone in my car for the following reasons:

Car runs much better; I have a mini van Toyota Siena 2001 with 131,000 miles

The smog check went so low that the mechanic said that for an engine with these miles the engine is running like a brand new car

Acceleration is wonderful; I have same response than when the van was brand new… maybe even better

I do not smell to burnt fuel in the morning and I have no smoke coming out from the tail pipe when cold, and absolutely none when is hot.

The increase of mileage for the last three months went from 17.6 mpg to 22.7 mpg average, and this is money that I did not spend

IF I follow, your erroneous figures of 8% of mpg increase, this still representing a sizable amount. If you follow current statistics,

US OIL DEMAND, 2004: Over 20 million barrels per day and 2007 is obviously higher ref.(http://www.gravmag.com/oil.html).

Subtracting 8% 1,600,000 – 20, 000,000 = 18400,000 of barrels a day

Supposing a sale price at the pump 0f 2.50, the Oil Companies will lose 4,000,000 per day. And a year 144,000,000 of dollars

It is not rare that they refuse to implement acetone in the gas, and is not rare that ANYONE will sell their soul to the Devil for much less than this.

Unfortunately, I think this web site has serious interest in BUSTING this TRUE, “Conspiration” theories are not my forte, however hiding the truth and publicizing a lie is not ethical, moral, or professional. I am sorry to read the opinion of this publisher … Mr. publisher sorry to “bust your myth”

Gabe

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collapse nobrainer Says:

Anecdotes and testimonials do not constitute proof, let alone scientific proof.

Considering the high proportions of Americans who are bad math, science, or both, I am not at all surprised when some people think they discover something.

Considering your poor math and reasoning skills, I have little reason to believe you are capable of providing reliable test results.

 
collapse da Says:

wow your math is bad

 
 
collapse A. Random Lurker Says:

After reading the material on this site and from Mr. LaPointe’s site. I think Mr. LaPoint is way to interested in conspiracy stories, however this acetone thing seems to work for some. you, NOBRAINer, seem to have issues with the perceived need to always be right. This is made very apparent by your hostile attitude toward those who carry opinions differing from your own. My view is that if it works, it works. But you both seriously need to get a life and some counseling. Its OK if people disagree with you and no, the world isn’t out to get you…

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collapse nobrainer Says:

I apologize for expecting critical thought and real evidence.

collapse dippy Says:

how many times do people needs to state ‘it worked for me’ for you to have that sink in as plausible then

 
 
 
collapse Chris Says:

My dad found out about acetone about 2 years ago. He has been using it in his ’03 WRX and averages 2-3mpg increase per tank. I tried using it in my ’94 Mustang GT with 130k miles. It was burning a lot of oil (1qt every 1000 miles). It didn’t appear to show any improvement. I just bought a ’98 Civic LX (1.6L sohc non-vtec) with 95k miles. My first tank was 40.3mpg. I noticed that the oil was black, so I changed oil and filter, aired up the tires and put in about 200ml of acetone (from Ace hardware) and a splash of Marvels Mystery Oil. I just got 45.8mpg. Not bad. I think the car is only rated at 30/38mpg from Honda. I’ll definitely keep trying it out. I am only using one gas station to minimize that variable.

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collapse D. McAllister Says:

I have been using Acetone (Kleenstrip) for about a year now in my ’98 F-150 (4.6 2wd). I have varied gas stations on several different occasions for experimental purposes and have found no real variation from my initial gain (now status quo) mpg which averaged is 17.78 mpg from pre-acetone of 14.59. Also, the carbon build-up that has been prevalent around my tail pipe has since dissipated. My two cents. Also I found my best mileage to be obtained from 1 fl. ounce per gallon of gasoline.

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collapse Kevin Says:

Did you mean 1 oz per gallon or 1 oz per 10 gallons?

 
 
collapse Valhakar Says:

NoBrainer, here is a bit of critical thought.

Acetone has an estimated octane of 150. By using the *gasp* power of math you can estimate the octane increase of 3 ounces in 15 gallons of fuel.

Gallons of fuel added 15
Octane rating of fuel 91
Ounces of Acetone added 3
Residual fuel in tank 0
Octane of residual fuel 0
Final octane rating 91.234375

Not a significant amount, but it is a boost. On forced induction cars, acetone works not only to bump the 91 octane swill we get in AZ, but also to help prevent preignition. 3 oz of Acetone will allow us to dial in and extra 2-4 degrees of timing under boost which can be as high as 20 PSI.

I suspect the increases in gas milage reported is the same effect that performance parts use advertise. Some user bolts on part ABCD and gets 15 wheel horse power. The reason they gain so much was that the part corrected a flaw in the car’s build. (Example a different intake leaning out the mixture and the car’s ECU start having the proper measurments from the MAF simply by chance). The normal driver would not see much gain. Some drivers could even lose horse power.

Acetone is not a wonder substance that will free the world of oil. It is simply hydrocarbons that burn a bit slower and evaporate rather quickly. There are probably many cars that run on that ragged edge of the correct tune when using 87 octane fuel. The tiny bump in octane may be enough to simply let the car run more smoohtly. The best suggestion is try it, but be careful.

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collapse nobrainer Says:

I can’t entirely agree. I calculate a lower final octane rating (using a weighted average calculation).

It does seem plausible that a slight increase in octane could improve some cars’ performance (those on the ragged edge of the correct tune).

However, if octane rating is the issue, the best suggestion is not to try acetone. Not at all. The best suggestion is to buy better gas. The same increase in octane can be achieved by just mixing in a couple gallons of the good stuff with the stuff you regularly use. Doing so will cost about the same as adding acetone, with less hassle and less risk.

collapse Joe Says:

Seems the real nobrainer here would be to try it. If it works for you, it works for you, if not then it doesn’t.

You really need to stop the nonsense and find out for your self Nobrainer. If you don’t want to make a minimal investment of money, and less investment of time than it’s taking you to keep these posting wars going on, then you should really just stuff a sock in your mouth (or rather around the fingers you’re typing with) and just shut up and get a life already.

collapse nobrainer Says:

Joe,

Go back and read the very first sentence on this page. Very. First. Sentence.

collapse Adoring Fan (swoon) Says:

Damn, I like you Nobrainer :D – Mainly your slightly biast opinion towards the truth, (I think I’m funny). I also think you have done a great many people a service by creating this page.

But – I don’t drive – therefore have no opportunity to find out if I can benefit from Acetone. But I am going to spread what I have learnt…

(I’d like to think I’m one of the 5)

Good day : )

 
 
 
 
collapse Circmand Says:

Nonsense for years we have been able to purchase gasoline with different levels of octane. All studies have shown octane does not increae mpg. Otherwise to improve gas mileage you would just have to buy premium. Now I can see oil companies wanting mpg to stay low (even though it is at the highest level in history) to make more money. But auto companies have nothing to gain by low mpg and look at what Toyota and Honda are doing they keep pushing for better mpg. Of course trhey do not want higher standards because they no the US car companies still want to shove their ideas doan our throat instead of giving us what we want. So whether acetone works or not the conspiracy theories certainly do not. Also why does the govt want poor mileage? no one ever explained the theory

 
 
collapse tommy Says:

the octane rating of fuel is a characteristic, cannot be calculated by weight of the its components, the calculation is only applied for the reference which is a mixture of iso-octane and n-heptane.

ever heard of the octane rating of tetraethyl lead? so there

the rating is determined by tests such as Research Octane Number (RON) or Motor Octane Number (MON) or Anti-Knock Index (AKI)

now the idea of ethanol being an anti-knocking agent is a pile of steaming horse shit. the Japanese Navy knew that all too well and that was one of the reason why Japanese Zeroes outturned, outran and outclimbed all Allies fighters in WWII.

http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=5192301

show me a sample of premium aviation gasoline (not jetA fuel) that does not contain acetone and methanol.

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collapse nobrainer Says:

How about showing us samples of premium aviation gasoline that do contain acetone and methanol?

 
 
collapse tommy Says:

where are your from? Cambodia?

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collapse nobrainer Says:

The point, which you so clearly missed, is that most of don’t know shit about aviation gasoline. Moreover, I’m not even clear on how applies to a conversation about automobile gasoline; most of us aren’t driving Japanese Zeros.

 
 
collapse bp Says:

I tried acetone in by 2006 Chevy Uplander and I didn’t have much of an increase in milage. I knew this going into trying it. I wanted to make sure it wasn’t going to work well. In Illinois fuel is required to have 10% ethenol in it. This is why it didn’t work. The gas must be pure. The ethenol increased oxygenization in the fuel so it burns cleaner.

I did have an increase in milage I’m getting 2 miles to the gallon better in the city and on the highway. Driving habits can also help with milage. For example, you can coast more and use the natural terrain to you advantage. I coast on downhills, up to stop signs and traffic lights. Learn when you can cost on your daily driving and where you can start coasting. This has increased my milage a lot more than the acetone additive. (Don’t forget where I’m at has 10% ethenol in the gas). Don’t do the “jackrabbit” starts from stop signs and traffic signals. Increase speed at medium rate and do it smoothly.

I put acetone in the gas for my 1976 self propelled Lawnboy mower. The mower runs better and cleaner. It doesn’t have that 2 cycle smoke from the exhaust anymore. I’ll be checking to see how it work in the old Toro 2 cycle snow thrower this winter.

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collapse Sid Says:

Well, you can always use the left-over acetone to make penetrating oil, mixed 50/50 with tranny fluid……..

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collapse mofo Says:

Sounds like LaPointe is actually selling ScanGauges, not acetone.

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collapse dippy Says:

why you gotta make me feel inferior because I’m workin’ the grill, B? Damn!

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collapse Kemup Says:

You smoke #%%#?! At last, now we can share everything.

 
 
collapse dippy Says:

You son of a bitch, I’m right behind you! Turn around and ASK me for a Heffer with cheese, yo!

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collapse GoSolarJailBush Says:

I just saw a show called futurecar in which they explored alternative fuels and propulsion systems including 4wd electric motors and compressed air motors. While the idea of improving efficiency of existing fuel types was not covered, it did give me a thought worth exploring so this question I will pose.
Has anyone applied the ‘acetone test’ to a hybrid vehicle whereby the combustion engine is used to run the dynamo which provides the electricity to propel the vehicle?
My guess is that an engine which Is not directly connected to the road would make a better test subject due to a more constant load since in this configuration the ‘stop and go, fast and slow’ variable of real world driving is reduced by the inductive/ capacitive smoothing effect of such a hybrid propulsion system.

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collapse nobrainer Says:

In my best Bill Lumbergh impersonation, “yeah.”

Yeah, just put it in a hybrid and then all you have to do it figure out when the engine is actually running. Piece of cake.

To really control the variables, it’s best to run in laboratory conditions.

collapse JP Says:

F-ing lib. Nice name.

 
 
collapse Alamo Says:

I just tried 3 oz of acetone and water in a new Prius and the MPG indicated an increase of 10 MPG.
Is that good? I couldn’t care less – not my car.

 
 
collapse Dan Says:

Go solar jail Bush (?) suggests putting acetone in a hybrid, then proceeds to incorrectly surmise the purpose of the electric components that set a hybrid apart from a conventional vehicle.
If acetone works as suspected, then the internal combustion engine portion of a hybrid should enjoy its asdded benefits, if any.
I have an ’07 Prius, drive in Albuquerque and use acetone.
I have always seen an increase in mpg when I use acetone, regardless of summer or winter and regardless of high altitude driving or driving when I make it into the lowlands of TX.
I get 62 mpg on the hwy with no acetone and most of the superflous junk in the car taken out (carpet mats, dodad plastic shelves in the glove box, spare tire, jack, head rests on the rear seats, overinflate tires to 50 psi.) I have always seen higher mileage with my Prius on the hwy, as opposed to city driving, as opposed to the provocative claim Toyota makes about getting higher mileage with this car in the city.
Using acetone, I get almost 70 mpg on the hwy with my Prius.
I haven’t acheived it yet but I’m almost certain that topping off the tank at fill-up combined with using acetone (2 oz. per 12 gallons) would yield ~1,000 miles per tank full.
That would be a major acheivement, I think.

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collapse Nathan Ziegenfuss Says:

Find it interesting that one fellow had a problem w/pushing the use of a scan gauge or other device to accurately measure mileage. My 12 year old Jeep Grand Cherokee has one from the factory and in my opinion, should be mandatory on every vehicle. Why would you not want the most accurate measurement possible. Its also a bit disturbing to read ” I dont have to test it etc etc. geez….. Must be nice to be so positive w/out testing it yourself.

Ngz

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collapse Dave K Says:

I am now a believer in this stuff.
Yes I bought a Scangauge!
But before it arrived I did a gas mileage check without Acetone on my ’04 Jeep Rubecon with a FI 4 liter and was getting an average highway mileage reading of 14.7 mpg trying to keep up with the speed limit of 75 mph (AZ) and pinging like crazy.
The first thing that I noticed after adding acetone 1 oz per 5 gal was that the pinging immediately stopped!and has not returned at any load on the engine and that the engine performance improved, (I know all subjective). But the first mpg check showed that the gas mileage actually decreased to 13.4! What the !!!. My theory was that something changed -either the gasoline formulation changed or my driving habits changed. I was using the gasoline from the same station for my evaluation. After doing some soul searching I did notice that my foot was a bit heavier on the throttle because I was enjoying the performance improvement. This was verified by the Scangage after it was installed.
I am now getting about 15.8 mpg after relearning how to drive economically using the scangage. I would try the same experiment with the Scangage without the Acetone but don’t want the performance loss.
I used the Acetone from Walgreens first and am now using the stuff from Ace now with no differance.
In reading the threads I am seeing a lot of backseat engineering and a lot of bull as how this stuff works without actually trying it out. I love the story about how the octane is actually reduced and the one about the O2 sensor temp differance causing the engine to run leaner. — Bull!!!.
Try it for yourself and see – the performance improvement is amazing. I can actually drive the speed limit in Az.

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collapse Glavonja Says:

Forget acetone, one ASPIRIN per tank is all you need to increase your mileage by 24.5%! It works by reducing molecular forces in gasoline so it vaporizes better and burns faster. This has been confirmed in testing by U of T (University of Timbuktu) campus lawnmowers. Their highly sophisticated two stroke enfines got as much mileage as they could push them.

This is not a joke! There is big money to be made in selling Aspirin to gullible uneducated dimwits this continent is full of.

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collapse Sup Dog Says:

I CANT see it improving milage by changing gasolines burning properties but Maybe, JUST MAYBE it acts like a fuel injector cleaner and it only helps clear out injector build up. Thats why some people see an increase. All they have done is cleaned their injectors. They could have seen similar results by buying a bottle of regular ol injector cleaner. Just a thought.

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collapse Topher Says:

nobrainer works for Chevron.lol You can talk down about acetone and make fun of it and call us ignorant dimwits all you want, while we are all out driving in our clean-burning vehicles. Seems to me like money is talking and bullshit is trying to do some walking in this thread. So who’s the real dimwits?

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collapse mike Says:

putting 2oz of a Acetone in gasoline increases miles up to 35% MythBusters are wrong. They are just saying that its BUSTED but its not b/c their helping the gas company if MythBusters said it worked everyone will do it
and that will destroy gas company’s

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collapse mike Says:

they just don’t want people to know

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collapse mike Says:

and you should use 2oz of acetone and 2oz of xylene for 10 gallons this will
will give more miles

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collapse myth_busters Says:

mythbuster says add 2 oz acetone, 2oz xylene and 2oz maneuver that will double your car mileage and no need for hybrid

 
 
collapse Dave K Says:

mike,
What kind of results have you seen by adding xylene?

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collapse Christian Says:

Wow, it’s really amazing to see all the bad grammar in these posts.

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collapse GrAmMAr Says:

wAtt gramar ar u taking aboot?

This is a discussion post, not a critical essay. Typos and grammatical errors are common in most every discussion board I have viewed. It is a matter of quickly adding an opinion. Perhaps, I need to run this through MS Word spell check and grammar check? While errors can be an annoyance, their impact on the discussion seems irrelevant (even though you could argue that such errors damage the credibility of the post).

I am more interested in the results, good and bad, of acetone additives. Thank you to all you grammatically “incorrect” individuals. Please, keep posting your results.

 
collapse Steve Thomas Says:

Yea, were not all English grammer teachers. So lets get back to the subject, do you get better gas milage with acetone?? Nobody really knows, do they?

collapse OICU812 Says:

No shit. I got very good grades in English while getting my Engineering Degree, but I could give a fucking care less how a person writes — If I can get the gist of what somebody is trying to say, then this is all that matters.

I have used acetone in the past to just see what would happened. The jury is out for now. I have seen older, carb engines benefit from it; and newer engines not. Is this a true test of acetone’s “powers”? Not fucking hardly! I have seen older engines run much, much smoother, but is this a miracle? Probably not.

As many of us know acetone makes one hell of a mild solvent. This could be it’s “trick”. That is, with a lot of older cars they are very neglected, so the acetone could be working it’s magic by cleaning everything out.

The way I see it: In small quantities it isn’t going to hurt anything. If it works to keep the fuel system clean, then all the better; since many of those fuel systems “cleaners” can have detrimental effects on some injectors.

If it works for you, great. However, I am a little dubious about some of the claims that have been made. You would have to drive an exact route; drive the exact same way; have the exact same weather (temperature, humidity, and air pressure); fill up at the same station; and use the same exact amount of acetone. I just don’t see a person without an engineering background being that disciplined. It just ain’t happenin’!

I have an engineering and science background, which it would take me forever to plan out a test like this. Plus, even with all the planning and spreadsheets, I would still have to pay very close attention!

In closing, I will just reiterate the fact that there isn’t any substantiating proof that acetone can miraculously improve gas mileage. Nor, are there very many people that could accurately conduct a test of this nature. I am sorry if I insulted anybody, but I am right.

 
 
 
collapse SAM Says:

ACETONE AND XYLENE HAS GIVEN ME 2 MORE MPG ON MY JUNKER 85 BMW 318I THAT HAS A BROKEN HEAD BOLT. NOW IS @ 42 MPG. WILL BE ADDING A HHO 5 LITER CELL ALONG WITH MY O2 EXTENDER, VAPOR COLLECTION CAN, PCV ENHANCER AND THE BEST ADDITION IS THE PORTABLE OXYGEN CONCENTRATOR RATED @ 3 LITERS PER MINUTE.SHOULD LOOK AT 50 MPH OR MORE.

SAM

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collapse nobrainer Says:

A whopping 5% improvement… another satisfied customer.

According to LaPointe’s handy-dandy chart, a 5% performance improvement (due only to acetone) should correspond to a mixture of about 0.25 fluid ounces of acetone per 10 gallons of gas. Actually the graph indicates ounces and not fluid ounces, so I guess it is important to weigh the acetone instead of measuring it volumetrically. But I digress. 0.25 fluid ounces in 10 gallons means that acetone represent 0.02% (or 195 parts-per-million) of the total mixture.

 
 
collapse Mr B Says:

Same subject, differnt additive. I used a standard bottle of STP gas/injector treatment and saw a 4-6MPG increase when mixed with 10 gal. of 87 octance gas. Milage dropped after that tank was refilled. I’m thinking that this 2 oz. acetone is worth a try.

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collapse RoXor Says:

I am a mad scientist and I say that if you mix up 3 ounces of acetone with 5 ounces of budwieser and 10 gallons of gas, then your car will burn cleaner,get better gas mileage and feel less stress! It is TRUE! It’s on the internet!! (now anyway!) g’day people!

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collapse glazsmn35 Says:

roxor your just an ass scientist,go out an buy a $5.00 32 oz can and try it yourself,yes most things on the internet are b/s,but this is a plausible experiment then can be done for a minimal investment..unless your spending all your money drinkin budwieser and paying rent to live in your mothers basement,then maybe the $5.00 is an issue….

 
 
collapse Redleg Says:

I don’t have a dog in this hunt. I’ve never tried acetone in my car or any other additive to fuel. I agree that injector cleaning and the like should aid mileage, but I’ve never done it. I filled up my 1998 Infiniti I-30T today with 10 percent ethanol (E10) from Wally World (90 percent of my gas buys are from the same place) and calculated that I had got 23.36 MPG in the previous tank.

I think the issue here is utlization of BTUs in the fuel. Gasoline has 114,000 BTUs per gallon, E10 has 110,210 BTUs, ethanol having less energy than plain gas. The previous commenter who said that ethanol helps the fuel burn was incorrect. Ethanol is already highly oxygenated, which means that chemically it is already partly “burned” in comparison to plain gas. That’s one reason it takes 1.03 gallons of E10 to replace 1.0 gallon of gas, and the higher the ethanol ratio gets, the more it takes.

My car is going, average, 0.000212 mile per BTU of fuel. I would think that the real question regarding additives’ effectiveness, whether acetone or anything else, is do they raise the mile/BTU ratio?

That is why I would suggest that the bench testing of engines, while certainly useful in analyzing many things, would prove less accurate than controlled driving tests, say on a race track where other traffic and stoplights don’t exist and where and road characteristics are unvarying. Fuel quantities can be tightly controlled as can additives added.

In short, actual driving tests in a controlled driving environment appear to me to be the only really valid scientific way to investigate these claims. Driver input variability would actually be inconsequential since speeds could be well controlled and so could necessary variability in speed.

Having said that, and saying once again I have never added acetone to my fuel, I would say that the enormous numbers of drivers claiming they have gained a measurable increase in efficiency does itself constitute a self-organizing field test of a kind that should be taken seriously. As for lab testing, valid science requires construction an experiment based on observed data. If the experiment fails to replicate the data, a scientist doesn’t simply throw away the data, s/he asks what was wrong with the experiment.

Therefore, a fleet test with real, not simulated, driving would definitely be more valid than using benched motors, no matter what diagnostic equipment they are hooked to. The only valid condition to be tested is simply, “Do cars travel farther with acetone added than without?” Unless real cars are used to investigate, the bench-motor result is, IMO, prima facie invalid.

Whether anyone will actually ever conduct such a test I sure can’t say. But until it is done, the preponderance of evidence rests in favor of the enormous numbers of drivers who claim positive results, not with a single lab test under entirely artificialized conditions.

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collapse nobrainer Says:

You’re not wrong. But, more importantly, you’re not close to being right.

Anyone else care to take a stab at a rebuttal?

 
collapse Impressed Says:

Just wanted to say, “Cheers.” You made some excellent points and you did so well.

 
collapse myth_busters Says:

See I dont have to worry adding ecetone to my fuel tank, I live on Amish acre. Can some body tell me I add add actone to my horse feed would get more horsepower out my horse per day to haul a buggy and to plow land.

 
 
collapse Redleg Says:

“You’re not wrong. But, more importantly, you’re not close to being right.”

Ah, now there’s a real scientific statement!

Uh, no, it’s a gratuitous proposition, so I guess we can argue “yes it is,” “no it isn’t” from now til doomsday, and get exactly nowhere.

So: what scientific argument can you make that a one-off, benched-motor lab test is inherently more valid than an actual, controlled-conditions driving test of real automobiles?

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collapse nobrainer Says:

Sorry for the curt reply earlier, but it was before work, and generally most commenters don’t bother to come back to engage in conversation.

What we’re really interested in is not what kind of mileage people say that they get with acetone. We’re most interested in knowing whether acetone as a fuel additive increases engine efficiency. That kind of study is perfectly suited to a benched-motor lab test or chassis-dyno test. Admittedly these tests should be repeated (and hopefully prove repeatable). However, such tests will determine whether or not acetone actually affects the mechanical operation and efficiency of the vehicle. If those tests are negative, it leaves an extreme likelihood that the source of the mileage improvement, or perceived mileage improvement, is human.

 
 
collapse Redleg Says:

Fair enough. However, I still maintain that the central question is simply, “Do cars travel farther with acetone treated gas than without?” Hence, “engine efficiency” per se is not actually the primary thing, it is an issue subsidiary to the main question.

Of course, the number of variables in testing have to eliminated insofar as possible. Hence my suggestion of track testing, or “closed loop” testing.

Interestingly, closed-loop, driving testing is exactly what MIRA, a leading design, development & certification consultancy in the UK, did to certify their claims of a 61 percent improvement on their test cars using the company’s removable, rechargeable battery packs that can be retrofitted to most reasonably recent cars. (More details here.)

I have no doubt that MIRA did all kinds of lab testing of their designs, but their proof testing of achieved mileage was driving tests under conditions much as I described above.

So, “here I stand, I can do no other:” bench tests are useful for a large number of lines of inquiry, but are not determinative in the question before us in this thread: “Do cars drive farther on the road with acetone than without?”

So, as I am dealing with individuals’ anecdotal claims on the one hand, and useful but by no means decisive lab test on the other, I have to conclude that the question of acetone’s efficacy still has not been answered.

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collapse nobrainer Says:

The MIRA example is different from the acetone case. It involves 1 car with 2 different drive trains, and, as a hybrid, we know ex-ante that engine efficiency is not the output to be measured.

Otherwise, you are correct that limited lab testing does not account for the possibility that acetone as a fuel additive somehow makes a car use less gas even though the acetone causes no change in engine performance.

 
 
collapse Redleg Says:

For some reason I could not connect back to this page for a couple of days. Just got HTML gobbledygook.

At any rate, this issue is now settled in my mind for this reason: Two fillups ago, I added 2 ounces of acetone for the 18.5 gallons of gas in the tank in my 98 Infiniti I-30. The car, btw, has only 82,000 miles and all services done at the selling dealership, so it’s certainly “in tune.”

I then drove 311.1 miles, almost all of it on the interstate (three straight days of business travel).

Then I filled up again. It took 13.001 gallons. (How they measure gasoline to the thousandth of a gallon I do not know.)

Let’s see, that makes 23.93 mpg, rounded to two decimal places.

That’s a whole 0.6 better mpg than I got on the previous tank which was exclusively around-town driving. The EPA for highway driving for the car is 25 in the new EPA new rating; the 1998 rating was 28, which is close to what I have been actually getting.

So from my perspective, adding acetone robbed me of about 4 mpg. So I think I’ll just give the rtest of the acetone to my wife to take off her nail polish. I’m done with it.

Of course, my “test” was not scientific, but I’m just not personally curious enough to repeat it (not rich enough, either!)

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collapse ROBERT Says:

Dear Redleg–With 18+ gallons of gasoline, you should have used 4 1/2 ounces of acetone. You use 1 oz. per 4 gals of gas…I have been using it for over a year in my Honda and consistantly get 39-40 mpg. instead of the usual 33-34 (interstate driving) My car is a 91 Accord 4 cyl. If you use either too much OR to little it will sometimes cost you mileage. I don’t know the chemistry of why it works, but it does. I traved round trip to Nashville, Tn. most weekends and have measured the mileage many times. So far there has been no damage to my car.–ROBERT– (D_PAPABEAR@HOTMAIL.COM)

 
 
collapse North-Houston Says:

I guess Acetone is worth a try!

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collapse DUMASS Says:

Gee Bill why dont you try it in your coffee, maybe you will be more productive in the morning.

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collapse Linuxrepublican Says:

I have tested it on several cars and found the following:
1. works well in normally aspirated cars..if you have a supercharger or turbocharger, it seems to make no difference
2. does not work well in diesels. No effects in my testing.

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collapse wheels70 Says:

I have a 1998 Ford F-150 4×4 with a 4.6 v-8 engine and auto trans. I started using acetone about two months ago. I use 1oz. p/5gal.of gasoline.
All I can say is WOW !! This stuff works! I went from 12-13 mpg around town to 15-16. Highway mileage is 21!!!!!

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collapse Giggling Says:

I used to own an old moving truck that ran like…well, an old moving truck. My mechanic suggested some acetone every fill up. It helped quite a bit. The engine behaved like I wanted it to. I never noticed a change in mileage. At 7 mpg, it was never something I would want to look at. I started putting more and more at a time. Soon, I was putting in about 1/4 gallon in a 40 gallon tank. The carburetor needed an overhaul after a few months. Thinking it was because of the age, I never even considered the acetone. The truck ran great for a few years after the rebuild, then started running rough again. I began mixing in some acetone again to clear the problem, and it did. I started mixing the same amount as before(1/4 gallon per tank) for preventive maintenance (notice I never clued in). Well the same problem occurred. I now know that too much can damage a carb. I just learned that on the net tonight. The truck is long gone and so are the bills.
From what I have read on the subject, I have come to the conclusion that acetone does wonders in small quantities as an additive for vehicles with higher miles. It cleans and smooths things out. If some people claim that acetone helps with their car’s emissions to the point of running like a new one, then this is good. I don’t know if it would help a nice shinny new car with a tight engine. That would be like taking an aspirin to feel better when we are not sick to begin with. I have seen some guy claim that a magnet attached to a rubber gas line can increase gas mileage over a period of 2 years. I don’t think he considered the fact that the engine is now broken in and SHOULD get better mileage.
My 1992 toyota is running rough so I will mix in some acetone and see what results I get. Noooooo, I wont put in a half gallon per tank. Just enough to see a difference(30ml). i will let you know of the changes.

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collapse chris Says:

uhh yea, Japanese Zeroes outturned, outran and outclimbed all Allies fighters in WWII…..

then one crashed on an island

then frogment went and took it apart and brought it back

then it was reassembled in arizona and tested

turned out it was made of PLYWOOD instead of aluminum and steel, the significant weight reduction gave it those advantages. nothing to do with the fuel.

also its main advantage was increased range, not flight characteristics.

fucking internet idiots

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collapse shakezulla40 Says:

what a fucking idiot,only the fuel tanks and that was in some of the longer range fighters tanks were made of plywood you fucking idiot

 
 
collapse mark Says:

I am but a humble carpenter and find myself wary of snake oil salesmen and mad scientist as well as over obsessed spell checkers. I have read all of the above posts and it appears that there may be a common problem with introducing information for thaught to the general public, and that would be the general public itself. I am sure that something can be done about the average persons fuel economy on his or her personal vehicle, but it seems that on average the lose nut behind the wheel ultimately has the ability to maximize or minimize his vehicles use of fuel. Acetone is a good cleaner and could possibly help to improve an older vehicles economy by cleaning the system and would be noticed in the first or second tank. Newer vehicles would probably show minimal improvement if any. I don’t see how it could be destructive in such a small dose, used once in a while for maintenance purposes. But, the same amount of sand would definately have a negative impact. Variables such as what kind of gas, vehicle, climate, altitude, person or position of the earth in our universe or laboratory, result in differnt conclusions that will ultimately cause an argument. The fact of the matter is that we will all be at the mercy of our fuel provider(gas and elec) and it is up to us as individuals to overcome the fear of try and try again. I have decided to try acetone on an older vehicle of mine, a 92 f150 straight six. It is a service vehicle of mine and I maintain it diligently. Mileage has been logged daily for over 160k mi and it gets 14.9 mpg on average, which is about what it got new and I promise that if it makes a difference, good or bad, I will let you know.

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collapse Chuck Says:

Have you got any results as of yet?

 
 
collapse Doug Stewart Says:

I’m sorry, I can’t help thinking of this picture every time I read a comment containing “bigoil” in a non-ironic context.

Yes, the Mythbusters are part of the Zionist Overlord Conspiracy, meant to keep us all shackled to the grindstone to keep earning them the geld. Plus, 9/11 was a set-up, the moon landing was faked and wifi gives you allergies.

Sheesh.

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collapse R. Cobar Says:

I’m from Guatemala, and I remember on mid 80’s we been so bad limited with the gasoline, We wasn’t able to buy more than 5 gallons a day even when we had money to pay for it, also the line to get the fuel pump was so big (usually at least 3 hours to reach the pump, like Disneyland lines!!). My dad did his weird mix using acetone, thinner and nafta balls (yes, the smelly ones) we did the mix with 3 nafta balls, 1 oz acetone and 2 oz lacquer thinner per 5 gallons of gasoline and, believe it or not, 10 gallons of kerosene. I remember the face of the other drivers when we park the car at the kerosene pump at the back of the gas station and poor the kerosene on the tank. Of course the first days we had to deal with the police because they were thinking we are cheating but after they smell the kerosene they just gone. My car was able to run, of course was not smooth at all, and the emissions were kind of nasty and the engine ping a little bit, but at least we was able to use the car when others had problems to do it. I had a Ford Econoline 1977 with 8V 302cc.
My point is, probably the acetone make the miracle on my car. I’m now start using 3oz per 10 galls, plus 2oz xylene and 1 oz syntetic oil on my Lincoln Navigator 2001 (12.3MPG) and I will post here if I have any improvement.

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collapse Ralph Moorehead Says:

I don’t know about the acetone but I am willing to try it. As for the scan gauge I do have one and I find it very usful to help me gauge my driving habits. I also find it extremely good when I go to a mechanic as I know the problem with my car and can tell the mechanic the problem. It gives the same codes as the garages scanner. Ifind my scan gaige very usful.

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collapse General Skeptic Says:

I tried acetone, but screwed up. The gasoline had ethanol in it. It’s getting harder to find the stuff with no ethanol. Some of the filling stations with their boastful signs touting “REAL gas here” now meekly state they have ethanol free, but only their premium gas. There is a station about 10 miles away that sells both with and without ethanol in the lower octane (87) grade, and it costs 4¢ more than with ethanol.

I now have a tank of ethanol free, with about 4 oz. acetone in it. Got it at Wally World, and it says “100% acetone”, but it also states it’s anti-bacterial. I’ll do a couple tanks like this and report back. My usual mpg on my Honda CR-V is 25-27 mpg.

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collapse 4Runner Says:

The 100% Acetone from Wally World has Benzoate in it. I got mine from Sally’s Beauty Supply it’s ingredients is Acetone only. From what I read it shouldn’t have Benzoate or anything else but Acetone itself.

 
 
collapse Chuck Says:

I am gong to try as well, see you in a couple of weeks.

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collapse Chuck Says:

UPDATE. I tried this with four tanks of regular gas and found no difference at all. I have been driving both local and highway and after four tanks I have no differenc in my millage. I was using a 2001 jeep liberty.

 
 
collapse General Skeptic Says:

Not much to report yet. I filled the tank again, and my mileage acetone vs. no acetone is identical. My vehicle is “picky”, though. I’m going to fill up at the same gas station, same pump. If the ground tilts, and it always does, you may not get a full tank, due to air pockets.

If I do not see at least a 10% improvement,(29-30 mpg) I will label this experiment a failure, at least for my vehicle.

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collapse General Skeptic Says:

OK, as far as I’m concerned, the results are in. For my vehicle, this acetone business appears to be hogwash. Also, it doesn’t seem to make a difference if I run 10% ethanol or ethanol free.

But I’m glad it’s cheap, and I’m glad it works for some. Carry on!

 
 
collapse WOWed Says:

Well, I have to say first that my jaw has dropped because rather than sticking to the issue people are attacking each other.

The issue here being does acetone help fuel mileage or not. You can’t run a laboratory test on this because people don’t drive their vehicles in laboratories, ever. You have to run a real-world test on this stuff and your findings won’t always be conclusive. The bottom line is rather than fight about it with opinions, try adding a few ounces to your tank and see if it helps. I know for me, it has helped a bit here and there and if nothing else it makes my vehicle run smoother. My question is then, how can it be bad? The money I save on gas more than pays for the acetone AND my vehicle runs better. What is the downside here? For me this issue is over. I use it in my older engines to help them run better and I will continue to do so because I have experienced the benefits personally. You should try it too and if you don’t think it does anything then don’t do it… Simple decision…

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collapse nobrainer Says:

1 – You’re on the internet and your surprised by personal attacks? Let me be the first to say, “welcome to the internet.”

2 – You absolutely can run tests on acetone in the laboratory, and you absolutely should, and if acetone works it should be wholly demonstrable in a laboratory setting.

 
 
collapse S. Atire Says:

Nobrainer is correct. Laboratory bench tests can be run on acetone-gasoline blends. Field tests can be run, too, but they need to be blind or better yet, double blind, where neither the driver nor the formulator know which car is getting the acetone and which car is getting a “placebo”.

I am surprised the makers and sellers of acetone haven’t done this and, if it really works, promoted their product now that gasoline is so expensive. This doesn’t seem to have happened, so I am sceptical of acetone’s value as a mileage improver.

But we have a bottle of acetone in the lab where I work. Two ounces isn’t very much. I’m sure one of the techs would give me some. I’m tempted to try it.

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collapse wrs Says:

Wife an i just made a 6hr trip, increased gas milage by 5 miles per gal using,(virgin acetone), (100% synthetic oil), an Z-max) an oil additive.

This was not my frist test, Guys the shit woeks! ;-)

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collapse 650 Says:

you acetone “believers” are idiots. mechanically higher mpg out of a higher octane liquid actually doesnt make sense, but whatever… you’re getting 357.3 miles per 10 gallons.. who am i to argue… keep spending your money trying to find a fix to your terrible gas mileage problems in your cars. i’ll be laughing at you at the gas station when i pull up on my bike bouncing off the rev limiter at 12k, and beating the shit out of it, and then i’ll proceed to fill up with $12 of PREMIUM gas, calculate my mileage to be somewhere in the neighborhood of 50mpg, and then wheelie on out of there to do it to someone else 200 miles down the road.. yeah, i said 200 miles off of 3.8 gallons… damn must be nice huh?

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collapse Safeon4wheels Says:

Heh, I bet you will. I will be laughing as I drive by the ambulance as they load you in the back of it and scoop your bike out of the ditch after you wheelie out of the parkin lot.

 
collapse ACETONE DOES NOT WORK WITH ANY ETHANOL BLENDS! Says:

That is why you have varying results. Also make sure to change your fuel filter within the first few tanks. Even the little acetone you add cleans out the tank & fuel system WELL, thus sludging up your filter & then sometimes breaking the fuel pump. All you neigh sayers.. WHY THE FUK ARE YOU HERE EVEN? Hmmm…

 
collapse SofaKing Says:

I’ll be the one laughing at you in the rain or snow or cold…

 
 
collapse S. Atire Says:

The acetone believers aren’t idiots. They are looking for a way to solve a problem in their lives, namely, the high cost of motor fuel. It’s all very well to dismiss them with solutions like buy a hybrid, or buy a motorcycle. Why not buy a horse? Maybe hypermiling will replace NASCAR as our favorite auto sport.

Since our national fleet of low mileage vehicles can’t be changed out over night, people are looking for other solutions. The internet offers quite a number of them, acetone in gasoline being only one. My favorite is build a still in your garage and make your own ethanol from yard clippings. If you don’t want to drive it, you can always drink it.

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collapse Simple Man Says:

I will keep this simple. Acetone in gasoline has given me better mileage on every tank of gasoline with acetone as an additive. I have a Dodge 06 Caravan W/3.8 engine. First, tires need to be at the correct pressure or higher. It helps if the vehicle is clean, less drag. I went on a 2500 mile trip and used acetone on the whole trip except for 200 miles. I changed gasoline brands and wanted to empty the tank. My DTE readout after the trip read 500 miles after fill up. Before acetone the highest was 427 after fill up. Wind and temps also affect the mileage. The last 1028 miles was all highway miles thru rain, wind, temps between 65-95, mountains, straight highways, 7 rest stops and one stop overnight. When the outside temperature was over 70 the A/C was on. The last six hours of driving the A/C was off and it was raining. The best gas mileage that I ever got was 25 MPG with this vehicle before using acetone and that was keeping the speed under 62 MPH on a straigth highway with the A/C on. Except for the first 280 miles I drove normally, the speed limit or the flow of traffic. My first fill up I got over 28.34 MPG. After that, I decided see what the real performace is with acetone. My opinion is acetone flat out works, it is a “no brainer.” I started using 4oz. 100% virgin acetone per tank. I am now using 6oz. per tank. There are many variables. So you can sit around and pick apart the science without real information or go and experience real science. There will always be people that can’t do science. Just like some people can’t cook. But those who can do science should get out there and try using acetone in gasoline. A college degree does not automatically qualify a person to pursue science. I know one unbeliever that has a Mustang with a 5.0 engine. After puting 4oz. of 100% in a tank, said the engine ran smoother but was only getting 10 MPG. I asked if he checked the PSI in the tires. He said no. I checked the PSI of his tires. They were between 21 and 27 PSI. He is now running his tires at 44 PSI.

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collapse Rob Says:

OK, I have a 1995 Ram3500 Van with a 5.2L V8. It is well tuned and I am now getting 16.9-18mpg highway going about 450 miles each way. I will post my results after the next trip using acetone. It seems 2oz per 10 gallons is the optimal ratio? I will be disappointed if I do not hit the 20mpg milestone. If I can average over 20 I will be a believer. Should have results in a couple weeks.

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collapse Mike Says:

This is just pathetic. Why are so many people wasting there time arguing about acetone? If it is working in your car why do you care if a stranger online doesn’t believe in it? If you don’t believe why do you care if its working for someone else? If you want to fix the oil problem in this country take your argument to the government and stop stroking your ego’s by trying to outsmart random idiots in a forum.

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collapse nobrainer Says:

If you want to fix the oil problem in this country take your argument to the government and stop stroking your ego’s by trying to outsmart random idiots in a forum.

But you repeat yourself…

 
collapse Adoring Fan (swoon) Says:

I think my idea of pathetic differs slighty (understatement), wasting would mean that there is nothing to gain from this but only to lose something – no idea where your going with that one! I could continue but there’s no point.

People go to the internet and find information so that they can attempt to create an opinion of their own, the more someone is able to use the information effectively – the more use it is.

Anyway – I find (my opinion with zero evedience) that the goverment/oil companies, etc, can’t apply certain additives for the simple reason that if ya did then it would piss someone one off enough to sue for wrecking their engine (as it’s already been “proved” (i.e. everyone agrees) everybody experiences it slighty differently), because lets face it, society doesn’t make people feel small (kinda – people vs people etc – (I know I’m getting vague))

And out of curiosity – who’s trying to outsmart who? so far everyone is just trying to find out a piece of information – Acetone and its effects…

Oh except you of course – your just trying to put people down – oh and me too – im just trying to put you down >:^(

 
 
collapse S. Atire Says:

I have been running laboratory grade acetone at 2 oz per 8 gallons (one-half tank full) in an Accord four cylinder, stick shift for the past three weeks. The gas mileage on this car was not bad to begin with, and the addition of acetone has had no significant effect on my mileage. Driving more slowly, accelerating slowly, and shifting into the higher gears ASAP seems more effective. I try never to let the engine speed exceed 2500 rpm. In other words, I’m driving with common sense for a change. Shutting down the AC would also make sense, but after all, this is July. I think I’ll wait until fall.

I’ll stop the acetone, though. I’m still looking for the magic bullet though. I’m fascinated by these devices that hydrolize water, and blow a mixture of H2 and O2 into the air intake manifold. Hydrogen gas is a combustible fuel, and if the water can be hydrolized by a solar panel, well, that ends the second law of thermodynamics argument.

I’ll let you know.

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collapse nobrainer Says:

What’s the 2nd law of thermodynamics argument that is ending?

collapse nobrainer Says:

Oh, “satire”.

I’m an idiot.

 
 
 
collapse S. Atire Says:

Hi Nobrainer, I was being serious. No satire.

I should have said the first law of thermodynamics, which goes to the idea that a system cannot be used to create more energy than it had to begin with.

Some internet physicists have argued that in a running automobile, if the battery is used to hydrolize water, the alternator will have to work harder to charge the battery, and the engine will have to work harder to run the alternator, and more gasoline will be used to run the engine, and therefore the energy gained from the hydrogen will not be more than the energy in the gasoline used to produce it. I don’t know enough about a car’s electric circuits to know if this is true, but it may be.

However, if an independent source of electricity, like a solar panel mounted on the roof of the car, makes the hydrogen, no potential to violate a physical law exists. In theory, gasoline combustion should go down–replaced by hydrogen combustion. Could a solar panel make enough hydrogen to matter? Dunno, but I’d like to find out.

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collapse nobrainer Says:

Either way, the laws of thermodynamics are going to apply. It’s not just internet physicists that will tell you that.

When it comes to producing hydrogen from electrolysis (the splitting of water using electricity), it is not cheap, or at least not a freebie, especially if you have to buy a solar panel to create the electricity. About 2 years ago I looked at producing hydrogen from solar panels. In short, a few square feet of solar panels will only produce a miniscule amount of hydrogen. And, if you want a lot of hydrogen, you have to dish out A LOT of money up front to cover the capital costs.

Speaking of miniscule amounts of hydrogen, I believe that any on-board hydrogen generator, which is likely just a little electrolyzer, is likely only capable of producing a tiny, tiny amount of hydrogen, probably so little as to be completely insignificant.

Now, I think part of the argument of adding hydrogen to the fuel mix is it will make the gasoline burn better (part of me thinks that adding the oxygen bi-product of electrolysis doesn’t hurt either). Small ratios of hydrogen, per the argument, will cause significant fuel mileage increases. In other words, the argument is very similar to the acetone argument.

Having said that, the best thing to do in the short run, if you are determined to test hydrogen, is to simply buy tanks of it. They certainly sell tanks of hydrogen (not at Wal-Mart, but from gas distributors).

 
 
collapse S. Atire Says:

Mike wrote, “If you want to fix the oil problem in this country take your argument to the government and stop stroking your ego’s by trying to outsmart random idiots in a forum.”

Take your problem where? Surely you jest, Mike. In a democracy, governments are elected to create problems, not solve them.

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collapse Brent S, Says:

Greetings All

I am on the fence about this subject, there are a lot of Pro and Con about this subject, but (then again) this is the Internet :-}

I find this subject curious enough to test it myself (I am not leaning one way or another). I have done a few Hypermile tests myself on my car (example: http://www.smartcarofamerica.com/forums/f26/final-chapter-has-begun-5242/ ) and as can be seen (via the link) I drive a 2006 Smart car.

The 1 thing I have noticed in most articles is the recommendation of using the ScanGauge II, I believe the moment ANYONE can see the instant MPG they will change their driving habits.

I have been tracking my mileage (via here http://www.spritmonitor.de/en/detail/194504.html )so have a year of info to compare to.

My first goal will be to find a gas station that GAS only (non E10) and bench mark that. Then remove my trip computer (forcing me to drive normal)
and after a few tanks of pure gas start the test.

My car only has 14K+ mileage on it and I’m not worried about the % of acetone to gas in this car to stop me.

As an engineer I tend to be a little anal (I don’t like to lie to myself), by NO means will I suggest my findings will be final on this subject, but they will be for me.

I’ll book mark this Blog to make sure I update my findings, BUT it will be months before I have a final opinion (1 tank of gas every 2 weeks makes for a long test)

This will be FUN

Brent

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collapse S. Atire Says:

Hi Nobrainer,

Your comments about generating on-board hydrogen go my concern, that so little hydrogen can be generated by one or two solar panels or 12 volt battery, the effect on mileage would be insignificant.

I don’t think the reason for blowing hydrogen into the air manifold is to make the gasoline burn better; it’s just a supplementary fuel that has a BTU content of its own. The feasibility of an effective, on board, hydrogen generator can be, and probably has been, mathematically worked out. If these devices worked, you can be sure Wally World would be selling them, and every auto parts store, too. They aren’t.

The same for acetone. If it worked, don’t you imagine the Acetone Producers Association, if they exist, would be running ads on TV to promote acetone? There would be an acetone buying frenzy! There would be world-wide shortages! There aren’t.

Comments to Brent: Kudos to you for trying to run a controlled test. My acetone test was unabashedly biased. Hell, I wanted it to work, but it didn’t. Can you improve your test by blinding it a bit? Over the test period, let your wife (girlfriend, etc.) put the acetone or a placebo (gasoline?) in your tank, and don’t let you know which one. Then, drive your Smart Car with a scanguage, just as you normally would, and let us know what your findings are. I’m sure you can design a good test.

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collapse nobrainer Says:

I’m pretty much in agreement with you.

H2 may work to some extent as a supplementary fuel. It would be interesting to know the burn characteristics and how well it could be mixed in large quantities with gasoline. That said, some websites are definitely claiming that their water-to-fuel kits will make combustion way more efficient, yada yada yada.

 
 
collapse Drew Peacock Says:

my 96 civic gets 38 mpg w/o the air on and 34 mpg with the air on

with 1/4 cup of 100% acetone and 11 gal. of gas, i got 29 mpg

h m m m m m m m m m m m

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collapse ajnbf Says:

I have read everyones comments. I guess if it works, then use it. I am going to try it in my ’97 Saturn SL2. I am only getting about 21 MPG with AC right now so I hope it will help. My question would be, though, what about long term effects on the engine, throttle body, etc. Is there potential damage using it for long periods of time? Anybody know?

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collapse Joe PoolBah Says:

I read an article in 2003, not by LaPointe, regarding acetone in fuel and decided to try it. I first tried it on a 1996 Thunderbird and noticed a 25% increase in mileage. This was compared to gasoline only. How? My daily commute was 30 miles (mostly highway) each way and I logged 35,000 miles on that car. I used the same gas station for 2 months to limit variables. It was difficult to believe at first, but the results were there.
I then used it in my 2004 Ford SportTrac 4×4, which I bought new. I did not start using the acetone until there was 1000 miles on the car, so I could make sure I would have clean data. Using the same commute, I noticed that my MPG went from 15 to 19 MPG. I had no engine trouble and no fuel line issues. That truck took 54,000 miles in 2 years. As a salesman, logging miles is a daily task and made it easy to keep track. I am now using it in my 2007 Pontiac G6, bought new, without issue. After 28,000 miles I can attest to the increase in MPG and so does the dashboard sensor.
The one piece of advice to see an increase is to use the proper amount. Any more than 3 oz per 10 gallons of 87 octane gas has diminishing returns. One tank of gas will not show such dramatic results in your mileage. You will notice the change by the third tank. Try it yourself. If it works for you, use it. If not, don’t.

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collapse OtherMark Says:

Hi, I will be trying this in my 96 Accord starting today. Sure, it’s anectdotal, but then again, my wallet isn’t. I think I’ve read every word uttered on this subject on the internet. So far, haven’t found the naysayers to be too evidence-heavy, other than “theorizing” and mostly pontificating.

On the other hand, the REAMS of people willing to post and say, “hey, lookie what I got mileage-wise”, is overwhelmingly abundant. The positives far outweigh the neg’s when it comes to mileage improvement. In fact, I would say that a substantial number of the “no MPG improvement” posters, are using the wrong % of acetone or have a poorly running vehicle to begin with.

The others, may have that config. of fuel delivery systems and efi’s and such that just won’t allow for an improvement no matter the ratio of acetone.

So really, I could care less about what some scientific wannabe in some lab bench test’s something at, and certainly don’t care about a 1 shot experiment from Mythbusters, they may “approach” something from a scientific perspective, and for that I applaud them, but that doesn’t always mean they have scientifically ruled anything out. Let me see them try this on a variety of vehicles and a variety of ratios over a period of time not just one experiment.

Will bookmark and check in in the future. If it doesn’t work I WILL SAY SO.

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collapse Simple Man Says:

I recently took an 1148 mile trip with my 06 Caravan w/3.8 engine. Same vehicle that I posted my previous results. On my last trip using the instruments that came with the vehicle, they read that I could go over 500 miles on a tank of gas. This most recent trip I drove 532 miles on a tank of gas with some gas left in the tank. I have concluded like others, 3oz. of acetone per 10 gal. works best. Temp 75-98 with the A/C on the whole time. MPH 60-70. No Brainer wants “verifiable, repeatable, (at least semi)-scientific evidence that says that acetone really does increase fuel mileage nearly as well and as broadly as claimed.” Before using acetone the longest distance I drove after fill up was 430 miles. Yes I can drive a longer distance using acetone with BP or Chevron gasoline. After that 532 mile trip on one tank of gasoline, I switched to Exon because I didn’t know when I would see the next BP or Chevron station. To the acetone nay sayers, I understand. I did not see any improvement using acetone with Exon gasoline. Those that do not see improvement on the highway using acetone, it would be nice to know what brands of gasoline that do not provide a performance improvement with the use of acetone.

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collapse Rich Rigney Says:

As far as your rebuff to this, You did mention Chevron has a website about saving Fuel. I have to say that I am surprised to see you use Chevron as a reputable company. I currently live in The Louisville Kentucky area. Chevron is by FAR the most expensive fuel company in this area. When I say By FAR, I mean $.20 per gallon or more above everyone else. I have actually seen them sell for as much as $.30 more per gallon. What a JOKE!! Do they think they are selling Gold? Who are they to be reputable when it comes to suggestions on saving gas? I can’t believe anything that ANY Gas/Oil company says but Chevron especially. Personally, and I track my mileage on every fill up, ranging between 32-35.8 miles per gallon. The best mileage I have ever gotten has been with Shell gasoline. 2006 Scion XA, 40,000 Plus Miles, Mobil 1 5w/30 Synthetic Motor Oil since first oil change, I have driven 403 miles on a single tank of Shell Gas, mostly Highway miles. Usually get about 345-365 miles per tank.

Please don’t use Oil/Gas companies as being reputable in disputing things such as this. Who can take them seriously?

Thanks

Rich

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collapse nobrainer Says:

Your claim: Chevron gasoline is “$.20 per gallon or more above everyone else” in Louisville.

The contrary evidence: LousvilleGasPrices.com. As I write this, that site lists 5 stations have regular gas selling for an area-high $3.99/gallon. 1 is shell. 1 is Marathon. 3 are Chevron. That doesn’t look good for Chevron, however your claim is demonstrably false.

 
 
collapse Rich Rigney Says:

Wow, you are that gullable huh? Did I say “ALL CHEVRON STATION’S” Are high? Hmmm, Let’s look, No I didn’t say it was every single station. What you don’t see on that site, is that as I Sit here writing this, and I just not 5 minutes ago drove by this very Chevron Gas Station here in Jeffersonville In (Right across the bridge from Louisville) on 10th street while most other stations are selling gas today for $3.71-3.75 per gallon they have it for $4.09. Let’s do the math, that’s $.38 cents higher. They aren’t the only Chevron station that high, or close to that high in the Louisville area. Chevron is the highest here, by far. I don’t care what LouisvilleGasPrices.com says. I live here.

Rich

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collapse nobrainer Says:

Yes, let’s look at what you said.

“I currently live in The Louisville Kentucky area. Chevron is by FAR the most expensive fuel company in this area. When I say By FAR, I mean $.20 per gallon or more above everyone else.”

Did you say “all Chevron stations”? No, absolutely not. But you compared Chevron to “everyone else”. Therefore, if any, ANY, non-Chevron station within the Louisville, KY, area is priced to within 20 cents/gallon of the most expensive Chevron station in the area, then your claim is wrong.

 
 
collapse Rich Rigney Says:

No, my claim is not wrong, Chevron continues to be the most expensive gasoline retailer in this area. Some of them still posting prices nearly $.40 above other stations. I am beginning to think maybe you either work for, or have some financial interest with Chevron? Why would you argue in support of them so strongly otherwise? I mean, personally I like Shell Gasoline but only because I have experienced by far the best mileage from Shell over and over again. Yes, they are a bit more pricey than most of the others (though cheaper than the local Chevron stations) but the benefits by far outweigh the costs. I have not tried the acetone as of yet, but am considering it still. I am truly concerned about any long term damage that may be caused by adding acetone or any other chemical to my tank.

What I will not be swayed by is anyone’s argument that appears to give support to the Big Oil companies or the thought that there is no way to improve the current gasoline engine in any way. Way back in 1987 I purchased a brand new 1987 Mitsubishi Mirage with a 1.5 litre 70hp engine. The same size that is in my current 2006 scion xA. My Scion I am sure has more HP. Now I consistantly got 40mpg driving that Mirage. I put over 63,000 miles on that car in 1-1/2 years and drove it like I owned a Porsche. It had a 4 speed manual transmission. That being said, with my Scion here it is 20 years later and with all the “improvements” that have been made over the years my Scion only gets 36mpg max? I don’t drive like I own a Porsche anymore as I am older and wiser.

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collapse nobrainer Says:

Either I have misunderstood your claim (If you’re claiming that a single, local Chevron station is 20 cents more per gallon than the average of any other local chain, then I’d say that you are probably right, but that it is a stupid comparison), or you’re ability to make logical comparisons is wanting. Perhaps you are only claiming that they are, in general, the most expensive. I’d probably agree with that.

Do I work for Chevron. No. Never have. Do I have a financial stake with Chevron? You bet your ass I do. I own several indexed mutual funds which invest in all the major oil companies. So why am I quibbling with you? Because you made a claim which I don’t think can justified. That’s just how I am.

As for your cars, I think you pretty much summed it up with the horsepower comparison. The curb weight of the Scion is 300 lbs (15%) more than the Mitsubishi, and the horsepower is at least 22 (~25%) greater with the new car. Engines and cars can be improved. However the improvement is not free, and for the last 20 years consumers have been far more interested in horsepower than mileage.

 
 
collapse Eric Says:

Rich – The difference between your cars is the performance that can be extracted from the engine. Different bore size, stroke length, compression chamber design, valve sizing & durations, I could go on forever. Cars in the 80’s got great mileage because we were in an oil crisis. Cars back then also had a lot different emission requirements. You can get great mileage out of some engine setups but at the expense of exhaust emissions. My fiance’s 2001 Ford Focus with a little SOHC 2 liter 4 cylinder engine with about 100K on the ticker usually got on average low 20’s in MPG. A year or so ago I filled up her tank with a mixture of acetone just as a test. A mix of highway & country driving to the lake over a period of about 300 miles yielded me an average of 36 MPG. I never went above 60 on the highway though. She just recently had a new long block installed and I just went on a trip with her again, no acetone this time. We averaged 31 MPG with speeds sustained between 65 and 75 for most of the trip, some stop & go city traffic but most highway. I believe the most crucial part of mileage to the gallon is a properly maintained & running engine. If tolerances become to great it will not run smooth and not produce as much power as it was designed to. Simple things to do. Accelerate slower, anticipate traffic patterns to reduce stop & go situations, switch to synthetic lubes, keep up on lube changes, rotate & check tires pressure occasionally, fill up with quality gasoline like shell or chevron or bp/ammoco.

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collapse me Says:

It could be you have sympotoms of anal retension, I would too if I owned mutual funds

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collapse 95 Avalon Says:

When getting inspected, there is a printout of emissions.
Does anyone have emissions test results of using Acetone in gas?
Like printout results befoe using Acetone & printout after using it?
I would sure be interested in the comparison.
No opinions Please, actual results only. Too many chest-thumpers here think just because they keep saying it ‘don’t work’ we’re supposed to accept it as proof, when so many others have tried it and it works for them. Why would they lie? I don’t think they have a reason to lie. But there are many reasons both financial and political to say it doesn’t work. Oh yeah, let’s not forget the monster ego that sleeps beside them next to the bed at night. So pleas if you have these statistics print them.

collapse nobrainer Says:

I’m with you. I’ll gladly change my position when I see someone run some real tests and show that acetone works. For all the people who claim it works, I have yet to see one, single, well-designed test that puts weight behind their claims. The people behind the claims aren’t necessarily lying, they’re probably just wrong.

collapse Simple Man Says:

Just for the record, I have obtained 29 MPG on different highways with different gasolines in different parts of the country with different temps. I went from going only around 430 mile per tank w/o acetone to 532 miles per tank using acetone. My results are repeatable. Another example is my change to Exxon gasoline and losing MPG with acetone and going back to Chevron or BP and getting 29 MPG. My last experience/test with the air filters is another of my repeatabe tests using acetone in gasoline where acetone makes a difference. Have you tested different air filters while using acetone in your gasoline? Why don’t you try that and get back to all of us with your results?

 
collapse Marco Says:

How about this for a test:

3 different vehicles will be used during the test

vehicle #1 will be a small 4 cylinder car
vehicle #2 will be a minivan with a V6
vehicle #3 will be a pickup truck or van with a V8

All vehicles will be filled with gasoline from the same company, Shell or Chevron (since the claim is these companies have the fuel that supports acetone enhancement)

The test will consist of driving each vehicle on the same road for 300 straight miles with the cruise control set at the same speed for each test. I figure that this experiment would work best on open roads in western states. Each vehicle will do the 300 miles with just gasoline twice. The average MPG for these two tests will be the control MPG.

Then, each vehicle will receive 2 tankfuls of 1 oz per 10 gal ratio and drive the same route at the same speed.

Then the vehicles will repeat the experiment with 2 oz per 10 gallons for 2 tankfuls.

Then the vehicles will repeat the experiment with 3 oz per 10 gallons for 2 tankfuls.

Then the vehicles will repeat the experiment with 4 oz per 10 gallons for 2 tankfuls.

Then the vehicles will repeat the experiment with just plain old gasoline, and the results will be tabulated.

If there is any increase in the average MPG (at least 1-1.5 mpg minimum), then the experiment would conclude that further evaluation is needed, but the probability is likely that there was an enhancement from the additive.

If no noticeable increase in MPG is experienced, then the claim is not proven, and no further experimentation would be needed unless there are unusual circumstances (ie sustained rain, dramatic difference in weather conditions, etc.)

Some might claim that traffic may be an issue, but in this circumstance, with the cruise control being used and all driving performed on the same stretch of highway, changes in driving habits would not be an issue.

Any experiment such as this, in my estimation, would be about the best type of combination for lab testing and real world results.

Just my .02.

And I don’t work for a big oil company, acetone production facility, Walgreens, Home Depot, Fredricks of Hollywood, The New York Times, the US gov’t, Adam & Eve, a car manufacturer, an asphalt producer, Ollie North, Enzyte, or Tony Montana. I’m just an American trying to earn a living, take care of my family, and save a few bucks.

collapse nobrainer Says:

For the last several weeks, I’ve had an experimental outline made in my head, but I haven’t managed to write it out, so I’ll take the opportunity to do so now (Hopefully I’ll also do a better, more complete write up later). I think most testing, as reported on the web, has inadequate baseline testing. Hopefully that gets around this issue while not requiring days and days and thousands of miles of effort.

But the basic idea is this:
– Get a car that can measure it’s own mileage (or if a scangauge can do this, use that).
– Pick a stretch of road that is relatively open and flat.
– On that road, get up to a pre-determined, set speed.
– Set the cruise.
– Then re-set the mileage calculator.
– Go some set distance, a mile is probably good.
– Record the average mileage for that mile.
– Then turn around and do the same thing (this would actually be better if you had access to a 1 or 2 mile oval, for example, a race track).
– Keep the up-the-road data separate from the down-the-road data.
– Rinse and repeat 10 to 20 times.

Hopefully the data will provide a pretty stable average, if not, it may be a good idea to do more baseline tests.

Then then add the acetone and do the same thing the same number of times.

With this method, you can generate many data points, which helps to demonstrate statistical significance, or lack thereof. It also means that this can be accomplished by traveling only 100 – 200 miles and taking only 2 to 4 hours to complete.

 
 
 
 
 
collapse S. Atire Says:

95Avalon, why do you want to see emission printouts? Acetone is being added to gasoline to improve MPG, not emissions, or have I missed your point?

There are as many financial and political reasons for acetone to work as not to work. Acetone is readily available and its sellers would love for you to buy it pour it in your gas tank, or clean your fingernails, as your heart desires. But acetone cannot work for some and not for others; either it works or it doesn’t, and for MPG improvement, only a properly controlled bench test can tell us for sure. Anything else is tantamount to witchcraft.

We are looking for a magic potion, but what we will get is a change of lifestyle and technology. All of us will learn to drive smarter with smaller, more efficient engines using a combination of new technologies and truly alternate fuels. I don’t believe two or three ounces of acetone in a tank of gas will play a serious role in any of this.

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collapse 95 Avalon Says:

If I understand the principles previously stated, acetone ‘spreads’ the gasoline molecules farther apart.
This causes fewer molecules to be burned per individual ignition/firing, so less gasoline is used compared to before acetone addition to go the same miles (all things being equal).
If this is the principal of the better/increased mileage, then it stands to reason that less gasoline molecules being burned in the same time as before would also mean less HC released out the tailpipe into the atmosphere, as compared to before acetone introduction.
This would therefore be a benefit to the environment as well as the wallet. Or is it too hard or beyond your grasp to connect the dots?
So… to answer your question, I guess you missed the point.
But if you have a set position on this or any other issue I also realize that you will refuse to be confused by the facts.

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collapse 95 Avalon Says:

to add to the above:
This is why I asked for statistics, no opinions: “I don’t believe two or three ounces of acetone in a tank of gas will play a serious role in any of this.”
Preconceived opinions play absolutely no role in statistical evaluation.
Some (most) maladjusted personalities have an egocentrical need (like spoiled children who demand attention) to be the center/focus of whatever the topic is. This is more often than not displayed with an arrogance and a persuation to be ‘Negative’ to the issue at hand, simply to bring attention to themselves. You see this in very young children and AOL Kiddie-chat.
This type of input (opinion) has no value to scientific evaluation.

 
 
collapse S. Atire Says:

But 95 Avalon, setting aside my opinion and your sarcasm, would you agree with me that acetone cannot work for some and not for others; either it works or it doesn’t, and for MPG improvement, only a properly designed and controlled bench test can tell us for sure?

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collapse 95 Avalon Says:

‘cannot work for some and not for others’ ??
Are u serious? the first time I thought it was a typographical error.
Now I know your exactly what I said previously,
I just want statistics,
if you don’t have em, WTF u givin me your opinion for?
I got no time to waste on ‘tards’
Nuff said..
what a moron

 
 
collapse S. Atire Says:

95 Avalon, from your kind and thoughtful answer, I take it you don’t agree with me. Therefore, you must think acetone can work for some, and not for others. If that’s true, then what would the success criteria be? Acetone works in Fords, but not Honda’s? It works for blonds, but not redheads? It works for smart people, but not ‘tards and morons? Enlighten me, please.

You cry out for “statistics”, but there aren’t any. Why not? Because acetone probably doesn’t work. Don’t you think if there was one shred of valid data proving that acetone improved MPG, every can of acetone would have a label saying so? Do you think the acetone makers would keep it a secret? Ford would provide a year’s supply with every Expedition they sell.

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collapse 95 Avalon Says:

IT WORKS- AND IT HELPS THE ENVIRONMENT !

Exhaust Emissions Test Results
Aug 16: HC grams per Mile = 1.14 last weeks test
Aug 23: HC grams per mile = 0.83 yesterdays test
—-
0.31 grams per mile LESS HC with Acetone

Well, I guess this websights insistance that Acetone doesn’t work or produces less harmful emissions is BUSTED!
I suggest anyone interested in saving money; more miles per gallon,
and helping the environment LEAVE this obnoxious; moronic websight
(do a google search of Acetone in fuel, or More miles per gallon)
THIS SIGHT IS DOMINATED BY MORONS WHO VALUE THEIR OWN OPINION MORE THAN FACTS OR OTHERS ACTUAL EXPERIENCES.
IF YOU WANT REAL INFORMATION, BETTER TO LEAVE HERE AND NOT WASTE YOUR VALUABLE TIME WITH JIBBER-JABBER AND SELF INDULGANT IDIOTS
BUH BYE TARDS!!

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collapse S. Atire Says:

Before leaving us morons, please tell us your test protocol. And what about MPG? Did you bother to measure it, or did you just conclude that it improved?

 
 
collapse Chris C Says:

From this link at the top of the page, “Reasonable people with reasonable abilities of scientific understanding and interpretation would expect little to no change.”

Wow. What a pretentious thing to say. What knowledge of the average or “reasonable” person has led you to make that statement? Surely your reasonable abilities of scientific understanding should have prevented you from making that statement. Do you mean to say that the average person should have an understanding of chemical engineering?

Typical attitude of a college engineering student. At least you’re not a CE.

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collapse nobrainer Says:

Reasonable is not necessarily average. I’d even venture to say that “reasonable” is definitely not average. Hell, a reasonable person with reasonable scientific understanding is relatively rare, almost certainly < 25% of the population. So, no, an average person should not have an understanding of chemical engineering. Of course, the acetone-in-gasoline question isn’t a chemical engineering question, anyway.

PS. I’m not a college engineering student.

 
 
collapse Dave Says:

I’m no engineer nor was my testing done in a controlled scientific manor. But I do know how to check my gas mileage and after adding 2 oz of 100% acetone per 10 gal of gas in my 86 Porsche 911 turbo, the milage went from 12 mpg to 23 mpg! After four months of use it averages between 8 and 11 mpg increase depending on the gas I used and the way I drove.
The biggest surprise to me was one I didn’t even take into consideration so as not to be confused with the placebo effect, was the increase in performance! I put it in my tank and by the time I got down to the corner I noticed a “big difference” in the way my car was running, smoother and more power.
After telling my sister about it she got a 5 mpg increase in her late model Jeep suv and another friend got a 3 mpg increase in his 2008 GTO with that monster Corvette engine in it. Literally “all” the people I’ve told about using acetone that gave it a try have got an increase of varying degrees, some large some small, but an increase just the same.
So how anyone out there can say acetone doesn’t work or is a waste of your time must be standing to close to the fumes! It works great especially considering the price of gas today! Try it yourself and see…
P.S.
Thank you nobrainer for letting me use your soap box to voice my opinion.
Greatly appreciated my friend. Best of luck.

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collapse lime Says:

For people who like conspiracy theories:

1. Why assume people who reject this are the only side with anything to gain? If nothing else he gets money from his website traffic. I made my way to this site jumping from link in which video on acetone was advertised to have won a cash reward for whatever reason. Not backing up with links or facts as I don’t care enough, and a conspiracy theory doesn’t need them.

2. I see a whole lot of testimonials that seem like they’re from the same person going down in different names. I think this because they sound like an ad, they use more exclamation marks than a french canadian, stylisticly the same( PURE acetone!!), all names like Jim, Ted, Bob, etc.
But that is probably my paranoid nature talking.

3. Person selling something ALWAYS has something to gain, even if its an idea. It’s a lot easier to believe that one or a few people are crazy or else have an agenda than that whole industries are covering it up.

I’ll have myself to blame when the paint peels all around my gas cap. I’ll let you know.

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collapse Simple Man Says:

I finished an 1171 trip. While I was driving in Texas on I-30 before I started my last long trip, someone dropped a load of red dirt all over the highway. I had to drive thru a man made Texas dust storm. Starting out on my most recent long trip, I noticed that I was only getting 25 MPG with Chevron and BP gasolines. I was getting stressed out because my base line is 29 MPG using using acetone. I have also been checking Fram air filters because they have changed their design on some filters. I was using their newest filter with 6000 miles of use, when I drove thru the man made dust storm. Since the filter material was smaller on the new filter, thought the filter may be restricting the air flow. Changed the new filter back to the old filter that had around 6000 miles of use on it and bingo, back to 29 MPG. So what I learned during my last two long trips is that gasoline and air filters do have a direct impact on the testing results of gasoline using acetone. I mix the acetone with a half gallon of gasoline in a container before I put the acetone in the tank. I do not have any paint peels all around my gas cap. Yes I spill gasoline around the fuel filler
tube sometime and I have not seen any damage to the paint on the body. Of course I wipe off the spill as soon as possible.

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collapse BigD Says:

You can purchase 100% acetone form Wal-Mart in the nail care section. It is affordable and they sell a brand that has a red top that has a built in nozzle. I have tried the acetone and it worked; a little. I still do not know if it’s me or the acetone.

1996 Nissan 4X$
Ka24E Motor
16 gallon tank
3 oz. per 10 gallons
overall 19 mpg.
after acetone 22 mpg.

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collapse Simple Man Says:

If you are not going to use 100% virgin acetone, then you are not using generally accepted practices for getting the best results using acetone. If you don’t change your oil, oil filter, air filters, use a good brand of gasoline and put the right air pressure in your tires, the acetone test will not produce any remarkable results. I have not seen any indication one way or the other that Wal-Mart sells 100% virgin acetone. The container with acetone that Wal-Mart sells doesn’t read 100% acetone.

collapse nobrainer Says:

See this is exactly why I doubt acetone works. It sounds to me like you’re saying to follow these 4 simple steps:

1: establish a baseline
2: Fix everything that’s wrong on your car and ensure that it’s now in top running order.
3: Add some acetone to your tank on top of all the problems you just fixed which were killing your mileage.
4: Come back and tell us how much acetone worked, ignoring all the effects of step 2.

It’s also bothersome because this belies what the claim behind acetone is all about. The claim is that acetone will change and vastly improve the burn characteristics of the fuel-air mixture. What impact is tire pressure going to have on the change in burn characteristics? It’s not! So long as oil, oil filter, air filter, brand of gasoline, and air pressure (i.e. the control variables) don’t change during the test, no matter their state, a good, and otherwise well controlled test should only measure the change due to acetone. So if a test ignores the control variables (i.e. leaves them the way they are), and there aren’t “any remarkable results,” then it’s probably a pretty good sign that acetone isn’t changing a damn thing.

 
 
 
collapse BigD Says:

Hey, finally someone who know the history of planes. It was also discovered that the Mitsubishi motors had a lot of aluminum parts, weight issues, and the internal structure was reinforced with, yes, balsa wood. Our planes were a little slower and less maneverable but we also had steel plating for protection so a lot of our pilots came home and did not explode like a fireball.

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collapse BigD Says:

Yeah nice until a car nails you and you lose a leg, but cooool.

Seriously I have not seen any comments on acetone increasing motorcyle mpg. Does anyone have this.

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collapse Simple Man Says:

The comment “The container with acetone that Wal-Mart sells doesn’t read 100% acetone.” should read: The container with acetone that Wal-Mart sells doesn’t read 100% virgin acetone.

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collapse philth Says:

what’s virgin acetone?

 
 
collapse Jaywes65 Says:

Well, y’all; I think I’ve read enough. I’ve researched this item on acetone sufficiently; I’ve read many blogs about increasing mileage and performance; I’ve read (or stumbled) through this thread, many times missing the point about “the point”, and y’all have made me a believer. I’m going to try acetone in my 2005 Neon SLT. I can’t think of a valid reason, but I will post my results here, and join the many folk who have anecdotal proof of a “myth”(?).

Regards

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collapse BearOfNH Says:

My results: without acetone: 20.10 MPG vs. with acetone: 23.05 MPG.

2003 Honda Pilot (purchased late 2003) 50 KMiles. Driving almost exclusively country roads, some dirt but most paved. No stoplights, 1 stop sign every 4 miles (on average). Speed 35-40 MPH average (less on dirt, more on pavement). Bought 100% acetone at a drug store and added 4 fl. oz. per 12 gallons gasoline. Last 3 (of 4) acetone-added tanksful yielded 23.053 MPG, early Fall, New England. Compared that with 3 no-additive fillups from late Summer, same driving conditions except for A/C. I had A/C running in the summer, so that may have caused some MPG loss vs. fall with no A/C. But a 15% difference? Unlikely.

I don’t think it’s possible to come to a definite conclusion, even in a laboratory setting. Such results would only be valid for a laboratory setting. I think the only way to know if acetone works for you is to try it in your environment. Don’t believe anyone who advocates for or against acetone based solely on mental analysis. It only counts when the rubber meets the road.

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collapse M.Olender Says:

An old racer had an adage which I found appropriate to the whole acetone in gasoline debate.
When the reality disagrees with the theory, we throw out the theory. If acetone improves your mpg, then it works Nuff said!

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collapse nobrainer Says:

The racer’s adage is correct, and is the same ideal embraced by scientists.

I further agree that if acetone improves your mileage, then it works. The problem however — and this is where people with a science background start to doubt the “reality” of acetone improving mileage — is that most of the people who claim that it worked for them have performed such poor “tests” that they really can’t show whether acetone or something else caused the perceived mileage improvement.

For those who don’t understand such nuance, let me recommend that you read a copy of Bad Science

collapse BearOfNH Says:

> performed such poor “tests” that they really can’t show whether acetone or something else caused the perceived mileage improvement.

Absolutely. On the other hand, it is mighty difficult to replicate ALL experimental conditions. For example, I didn’t control humidity, air quality or tire pressure — they were what they were. Anyone sufficiently determined can find fault with test conditions, at least to their satisfaction.

But such uncontrolled factors tend to cancel out over a large enough sample size. Any reasonable observer concerned about say tire pressure would have to rule that out as a factor if they saw the same results from multiple experiments alternating with/without acetone, assuming I am being honest about everything. (If I DON’T want to be honest, hell I could just cook the numbers from day 0).

Continuing the test, I’m now off acetone and will measure the mileage again for a few fillups, then rotate back on, etc. But already, about 100 miles without acetone, the gas needle is a lot farther from “F” than I’m used to seeing when using acetone. ‘Course that’s just anecdotal evidence until I get the numbers from the next fill-up. Look for an update in late December.

 
 
 
collapse TurtleWax Says:

One thing I have noticed over the years is that octane affects engines of different displacement differently. I noticed that when I used octane boosters in small engines such as a 1.9L Ford escort the fuel economy jumped dramatically. In a larger engine such as a 350 Windsor, it was not very noticeable. This may explain some of the dramatic differences of results. The main question to ask is what does acetone actually do? Is it changing the octane or is it just cleaning a clogged up piece of junk that was poorly maintained so it runs like it should have?
It may be worth investigating this…..

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collapse Amoral Says:

Acetone Cracked the block in my VW!! Nah, just kidding. I don’t own a ScanGuage but I have noticed an increase from about 19 to 23 Mpg. Also, by adding 2.5 oz per 10 gal. the knocking has quieted and the idle is a bit smoother in additon to my road-head frequency increasing an amazing 33.3 %! (Prob. not due to the acetone, but I’ll keep useing it just incase).

Acetone works.

Experiment. See for yourself.

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collapse Simple Man Says:

You could work on late night television and be a hit. What impact is tire pressure going to have on the change in burn characteristics? It’s not! Where did I say tire pressure affects the burn characteristics? I didn’t. One goal of having a baseline is to eliminate as many variables as possible. I performed my tests with the goal of improving gas mileage, not to evaluate how clean my spark plugs looked after 10,000 miles. That is an idea for later testing. If the temperature changes, so will the air pressure in the tires. The change in temperature will change the burn characteristics of gasoline. I am not funded by the federal government with grants, so I did not make these tests, If you remember riding a bicycle, when the tires were low you had to pedal harder, thus more ENERGY was used to go the same distance. When the tire had high pressure, less ENERGY was required to go the same distance. Keeping the tire pressure constant, is a componet of the acetone in gasoline test, that cannot vary. If tire pressure is not constant, the results will be skewed and real research doesn’t happen. Lowering the tire pressure will use more ENERGY and thus more gasoline. New vehicles are designed to operate at a pre-determined way. Poorly maintained vehicles will run differently and will throw more variables into the tests. We don’t know how the other variables induced into the test by a poorly maintained vehicle, will actually the change the test results, unless we spend a great amount of time and effort controlling for these possible confounds. What you consider remarkable is your opinion. When gasoline was $4.00 a gallon and I gained 100 miles per tank using acetone, it was a “NO BRAINER” that acetone used in gasoline saves me money.

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collapse nobrainer Says:

The base argument in favor of acetone is that it improves the fuel burn characteristics which in turn improves the thermal efficiency of the engine which in turn improves mileage. Therefore if acetone works as claimed, it should work regardless of tire pressure, so long as the testing is done with consistent pressures.

The point I was trying to make in the comment I think you were replying to, is that it seems like a lot of people who say that acetone works a) establish a baseline (generally badly), b) change of bunch of stuff on their cars from filters to tires to tire pressures to reducing the weight, d) adding some acetone, e) reporting the results, without any regard at all for step c) establish new baseline to account for changes to the vehicle.

collapse Simple Man Says:

Yes nobrainer,I agree, if acetone works as claimed, engine performance will be maintained to a point. I think depending on the design of engine and transmission, if the tire pressure is so low and the load rating of the engine is way over loaded, the over loading may affect engine performance along with the benefits of using acetone. I have never conducted trailer/boat pulling up hills on 15 lb. PSI tires with a small engine. However, if tire pressure has changed, then the baseline has been altered and a new set of tests must be conducted to determine by what amount acetone improves gas milage. Just because a certain load on engine output may allow a 5% performance boost using acetone, doesn’t necessarily mean that increasing the load on an engine by 30%, will necessarily allow acetone to continue to provide a 5% performance boost, because the design of the whole power system must be considered. So your comment, “Therefore if acetone works as claimed, it should work regardless of tire pressure, so long as the testing is done with consistent pressures,” does hold some truth. But since the whole power system is involved, not just the engine, your premise is not necessarily logical or will produce an inevitable conclusion. Even many highly paid scientists fall into this exact same trap while conducting research. The transmission cannot be excluded in this case and the results may not be what you expect. My last two extended gas milage performance tests were directly affected by tire pressure, brand/type of gasoline, with or without the use of acetone and air filters. Since the outside temps of 55-98F did not result in an increase or decrease of gas milage during the last two trips, I determined the engine design and summer gas formula took care of this range of differences with the outside temps, during the time I conducted my tests. Carrying 4 adult passengers will drop gas milage performance. Carrying 4 adult passengers dropped my gas milage using acetone to 21 MPG on the highway. Since I do not carry passengers to earn an income, I did not perform extensive tests to determine where the optimum weight trade off begins, to limit the weight in relation to getting good gas milage performance using acetone. During my next extemded tests using acetone, I plan to check the gas milage performance differences with low rolling resistance tires. Tire pressure tracking again will be will be included in my baseline. Have you looked into the difference of air filters? Since you have addressed the issue of fuel burn characteristics and since air flow directly affects the fuel burn characteristics of gasoline. I would think that would be something of interest to you. If meaningful parameters are included in a baseline, the research can be very useful. I doubt the majority of research projects conducted in the United States by so called scientists, have all the critical elements in a baseline when a research project is first started. Global scientists are a good example. Does my baseline have room for improvement? Yes it does. Since I am the Simple Man, I have kept my baseline simple. Tire pressure, air filters, brand and type of gasoline, ratio of acetone to gasoline, temperature, cargo weight and vehicle surface cleanliness. All of these elements help get better gas milage and are addressed on various web sites. Since I was able to resolve my air filter problem quickly w/o additional test equipment, I am convinced my baseline is productive and effective. As I continue to add other elements into my baseline, I expect to learn more.

 
 
 
collapse john Says:

1 ounce to ten gallons has been neting me 4 to6 miles per gallon more for the last 6 months and NO PROBLEMS!!!

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collapse Gasoline Expert Says:

All the ppl who think acetone is a myth are fools!!! I added 1 tsp of acetone to my gas tank and my Suburban got 300 MPG!!! I thought to myself… why use gas at all. I have been running on pure acetone for 20 years now with no problem. I only fill up my tank about twice a year and can go go about 30,000 miles on a full tank!

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collapse DSI Says:

I don’t quite see the conflict here guys. If acetone works for you then use it. If not, well, don’t! I think all of you who try to argue either case with big words create the propaganda. For all I know it doesn’t hurt trying but I definitely WON’T buy a scangauge, for sure! If the result is so great I should be able to ascertain that without any sophisticated equipment.
In the end, talking BS at each other won’t really help anyone and actions are always better than talk. So, instead of sitting in your couch watching Mythbusters and praising them how great they are, maybe you should go out and try to do something yourself and prove something for yourself! Eeeh, that may never happen, but hey, who knows…

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collapse elliott Says:

wow, had no idea there was such a debate on the issue. it’s really hard to imagine that people have so much time on their hands to argue such moot points. as was said, if you want to know if it works, do it. i was a little scared but intrigued at the same time, so i tried it first in my old diesel truck, and with no ill effect moved on to my ’02 honda civic. i saw little to no effect in the truck, but saw sigificant gains in the honda. while i used no scientific testing, my in town mileage jumped (after several tanks) to the high 30’s. but i ran out of acetone and stopped . . . oh well. i do agree that the old man (whatever his name is) is a bit of a quack. all his milegae claims were at 45-50 mph. anybody is going to improve their mileage if they drive that slow, my jetta tdi got 48.3 mpg at 70 mph but 44 mpg @ 75 mph, but i’ve heard of people getting 60-65 mpg out of them. if we all slow down a bit we could really save some money, it really suprises me how many people FLY on the highway.

any thoughts on hydrogen?

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collapse glazsmn35 Says:

So when the japs flew their plywood planes into our carriers and battleships,they just went “poof” and turned to dust?..id like you to explain that to admiral halsey…only their fuel tanks were plywood mr internet genius.

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collapse glazsmn35 Says:

So when the japs flew their plywood planes into our carriers and battleships,they just went “poof” and turned to dust?..id like you to explain that to admiral halsey…only their fuel tanks were plywood mr internet genius.

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collapse chris fisher Says:

Double Blind? so the car doesn’t know either? Single blind tests here.

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collapse acetne works Says:

I use an ounce of acetone in each tank of gas in my Hillman Minx which I don’t think has fuel “injectors”. It used to get 25 miles per gallon and now gets 30. What about that Mr. Science or should I say Chevron zombie.

Oil companies obviously brainwashed or payed off all the “scientists” so they wouldn’t let this secret out. If there is one thing sure about scientists, it is that they are greedy bastards and would sell you 15 minutes in the woodshed with their grandmother if you were buying. What do you really think a “scientist” would do if they discovered a miracle secret to greater fuel milage, write a paper about it, get into any post doc program in the country, no of course they would call shell and ask for hush money.

I know of several other additives that will improve your mileage even more than acetone will, and while I use them myself in my Renault Dauphine, I am under contract from uncle sam and the trilateral commission not to mention them in a public forum or do and sience on them. Sorry.

Full disclosure, I also run a hydrogen generator on the car powered by a windmill on the roof which, while apearently defying the laws of physics, actually boosts my milage 16.7543% on average. Of course the Fisher rays eminating from the generator have to be delt with, but I use a tin foil covering on my cranial ceryoplexum to deflect them to safer stratisfurigamica counsling the friferen an Joe.

clepsoflazem,

yorerjiumn

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collapse myth_busters Says:

Has any body tried TNT on their ignition system? once you try it no more need for gasoline or acetone or this debate.

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collapse the smart won.. Says:

no brainer… your an idiot

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collapse i dont know Says:

can someone tell me if it works? ive been debating on whether to use it or not for like two years.

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collapse 2002 vw jetta Says:

i just put 2 ounces in my jetta 2 day i will post results soon.i normally get about 431 miles out of a tank on long trips from a 14.5 gallon tank using chevron gas. c u guys later

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collapse bung hole gordon Says:

it definatelly works not really

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collapse Tom Russell Says:

I have been using Acetone as a fuel additive for over a year now. I have found it to provide me with 10% increased fuel milage, smoother running engine and lower idle speed, not to mention there is no longer that black smudge in my exhaust pipe!

Actually, ONCE, I’m guessing due to having hit a “sweet spot” based on ideal gasoline, environmental temperatures, humidity and the perfect amount of acetone, I got a 50% increase in mileage!

Acetone added to gasoline in the right amounts DOES help gas mileage, idle speed and running a cleaner engine!

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collapse Uncle Sam Says:

Mythbusters are among the most Biased Government Whitewashers on the internet.

COLD FUSION WORKS!!!!!!!!!!!!!!!

and dont forget!
ACETONE WORKS!!!

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collapse Andre Says:

“Chevron controls the worldwide patent rights for NIMH batteries used in the RAV4-EV, and won’t allow their use in EVs.”

source: http://www.ev1.org/chevron.htm

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collapse nobrainer Says:

Your source contradicts itself.

Chevron “refuses to sell their version of the battery unless, they say, they get ‘a large OEM order’.”

 
 
collapse TacoMan Says:

I am starting to use 3 oz acetone per 10 gals of gas in my 98 Dodge 1500 and will report anything. Usually get 13 mpg just driving to and from work.

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collapse Dave Says:

I put 1 ounce of accetone for 10 gallons of gas ans mileage went from 15.50 to 18.47 in the city I have not done any hwy driving yet. this is a 2997 gmc acadia. The book says 17 city and 24 hwy. Since I got this car I have been getting only 15 but i am getting 26 on the hwy. Hoping to get 20 city and 30 highway after testing with accetone

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collapse Doug Stewart Says:

Dave is visiting us… FROM THE FUTURE!

That Acadia is nice, but I hear the 3000 model year’s retro thrusters will be 35% more efficient and its powerplant is +2.3GigaHorsepower more powerful.

Sweet.

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collapse volunteer Says:

Ho, Ho, Ho. Good joke, D.S. If you don’t have anything intelligent to say, just keep your yap shut and go back to Facebook, etc. Read some of my postings on Allpar dot com, Tech Forums.

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collapse Doug Stewart Says:

volunteer:
As soon as [edit]Nobrainer[/edit] asks me to recuse myself, I’ll do so. Until such point, I’ll thank you to mind your own business.

Take your sanctimony back to Allpar, where apparently people actually care for your opinions.

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collapse GrnFajita Says:

Bought a 1993 Ford Fiesta with 62K on the ODO back in July, 2005. Knew it would get great mileage as-is and be indestructible for my sons to learn how to drive a manual. I immediately began bragging about the mileage as gas prices rose, all the while tracking every penny, drop of fluid, and mile covered very diligently. After having a full calendar year’s worth of data covering my regular commute with only rare exceptions for those teaching lessons and odd errands, I came across the claims of the acetone. Since the car is consitently maintained, and fuel injector cleaners were used when I first purchased it, anyway, it looked like a great candidate. 10 gallon tank, easy to measure.

Bottom line: For $0.24 worth of Acetone added per tank, I get 45-60 more miles out of each of those tanks; more than 10% improvement regardless of my driving style!
33mpg driving like a maniac on gas, 37.5mpg like a maniac w/acetone!
When plotted throughout the year, the difference in mileage tracks parallel to the weather, it is naturally worse in the middle of winter. Both values, with and without acetone, each tracked parallel to the weather changes, the one with acetone was just always higher. This has remained consistent to this day. When one variable would change (new tires) the values changed a little, at that point, but the difference always remained. The effect remains to this day, if I forget to put it in or don’t have my supply replenished, I’m back down to 350ish on a tank. If it is in the tank, @ 350, I still have an 1/8th of a tank to go.

ODO is now @ 202580, no fuel issues; just add gas, check air, change oil, replace tires and brakes as needed. If $0.25 of acetone saved you over a gallon’s worth of gas mileage, wouldn’t you at least try it? My coworker thinks I’m nuts, he showed me the top of this page to prove it. I’ll be bringing in the spreadsheet and showing him how the acetone difference actually paid for my car.

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collapse dude who wasted time reading all of this Says:

Really?
Why are there so many haters on the web? It works, or it does not work? Oh, and ops I cant spell, or hey your a deuch bag.. bla bla.. some one should really delete this blog, cause all your doing is give people a place to argue.. Sad, cause I just wanted to here if any one used the stuff and it worked.. Funny thing is, no one will ever know unless they try it right? because of all the variables? So one person says hey, it doesn’t work, don’t use it? No, it should simple be, “hey it did not work for me, and my situation..” But thats not how “we always right Americans” do anything.. Lame… But hey have fun wasting your time attempting to judge, and argue ones opinion..
Oh, and every one who will comment after me, and continue the hatterade.. Enjoy.. I know I cant spell, but thats why we have you guys to filing the poop…

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collapse Wondering Says:

Acetone in gasoline? Do or do not? Well let’s think about this in a logical manner. Most people describe getting 3-8 miles per gallon (mpg) more using 100% pure acetone. This is a good but minor improvement on a standard manufactured vehicle with no mechanical modification (i.e. Headers, exhaust, pistons, heads, and cam shafts). I started off driving a 1991 Mazda Protégé with a 1.6 liter fuel injected 4 cylinder engine with 202,000 mile. I got approximately 27-30 mpg driving 60 miles roundtrip plus 5 miles driving errands during lunch. A car accident downgraded me to a 1985 Ford Mustang with a 2.3 liter single barrel carbureted 4 cylinder engine with 167,000 miles. I got approximately 19-23 mpg driving the same distance. I upgraded to a 2005 Toyota Corolla with a 1.8 liter fuel injected 4 cylinder engine with 103,000 miles. I get 32-36 mpg for the same distance. All three of these cars were my daily driver 6-7 days a week. I also have a 1966 Chevy K10 pickup truck which has a 5.7 liter 8 cylinder carbureted engine with 179,000 miles that gets 9-12 mpg. This is the hauling truck for water, horse trailer, and picking up building material. It was used for a month as a daily driver while the mustang was in the shop.

The issue I have is that now that I have a car that gets decent gas mileage compared to the 1985 Ford Mustang and 1966 Chevy K10 is that I drive 15,000-22,000 miles a year and would like to increase my fuel efficiency to save money. I might try acetone, I am just unsure of the cost of acetone will actual save me money in the long run over the life of my vehicle.

What I would like to see is drastic jumps in fuel economy like 75-85% increase. Looking at hybrid vehicles and the small increase of fuel economy as well as the introduction of computers and fuel injection I wish we could look past the slight increases and really make a break through to decrease the dependence on oil.

Ultimately, I don’t know if I will try acetone, The car works well the way it was designed and manufactured and I don’t know if using a method that is not tried and true is a good idea when I don’t know if I have the finances to purchase another car so soon after the last purchase.

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collapse Vizzini Says:

Inconceivable!!

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collapse Richard Says:

…read this blog ( and some rants) a couple of years ago… 2 years ago I decided to try acetone in my 99 VW Golf.. 2L engine..gas, standard tranny. Oil is 5-30w with Tufoil additive. EPA gives 28mpg (US) highway … that’s 33mpg imperial gallons.

With 1.5oz per 20litres (just over 10 US gallons) I can regularly squeeze 42 to 45mpg (Imperial) and on a good day over 50… I once hyper-mile’d 55.. but that’s driving like a real goof…not advised.

I drive a lot… from British Columbia I have driven to Calgary then to Puerto Vallarta Mexico.. twice.

Conclusion: Using the acetone is more than worth it… the improvement while not astounding in my gas sipper is significant and worth while, giving me at least a conservative 8% to 10% fuel improvement. The synthetic/Tufoil helps with another 5%.. tire pressure 37lbs another 2%…

Gas is darn expensive up here… sitting at $1.12/liter…do the math… that’s over $4 a US gallon.

Pure acetone in the 3.78l can is available at our local paint store. FYI if you buy too much they look at you with a greasy eyeball… guess they make illegal street drugs outta the stuff.

One thing that does not help… going to premium or mid-grade. We don’t use E90/E85 here, so can’t comment on that. Another thing that was noted
with acetone was the engine found it difficult to keep idle when the AC was on… the idle would hunt…sometimes even stall. We don’t use AC much here so that’s not a problem. Obviously with the AC load, the idle sensor on the VW was having a difficult time figuring out because of the leaner and I suspect a little higher octane mixture. So acetone DOES change things…

Another benefit… my oil takes a looong time to get dirty… so the engines gotta be running pretty clean.

Your mileage may vary…

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collapse EdNauseam Says:

What I think would be genuinely helpful are some data on the effect of acetone mixed in such low ratios with gasoline on each of the typical fuel system materials.

Also, it would be good to compile a list of plausible mechanisms that could explain an effect on mileage, and for each, some supporting conditions/data, and a discussion of the salient variables. The theories I have seen to far in this thread are:

Cleans the injectors/jets. This would be a first or second tank-full effect, but I have not noticed anyone state that they tested whether their mileage went up with acetone and then stayed that way without it, or went down again.

Confuses the oxygen sensor into leaning the mixture in fuel injected engines. If the mixture was right in the first place (never a guarantee) this would increase NOx emissions, reduce HC emissions, reduce power, and risk burning the exhaust valves, while increasing mileage. If the mixture started out a bit too rich, somewhat likely in the USA, this would tend to set things right. In states that pass/fail a car based on HC emissions, if this is true, it would seem a pretty good cheat.

Increasing the effective octane rating would only help if the spark timing were simultaneously advanced, and preferably the compression ratio somehow increased, but as was pointed out, if you want higher octane, it is easier, cheaper, and safer to buy higher octane gas.

Increasing the vapor pressure / evaporation rate / atomization efficiency seems implausible in the small fractions recommended.

One I have not seen is that it scavenges water from the fuel, which it will do, which could make a car run smoother if water in the fuel is an issue, but I have no idea what the effect may be on mileage.

Forgive me if I missed any.

The rest appear to be of the variety: “I tried acetone and . . . , but I did not fully control for the other variables”. For those of us who seek to know whether this is a hoax or not, and do not want to risk destruction of parts of our own fuel systems, it is hard to draw conclusions that are valid for each of our particular cases from such loosely controlled experiments.

Probably this is a bad place to investigate the question, but it sure gets a high Google ranking. Anyone lurking here who can clarify the matter, and who would like to post?

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collapse Zeno Says:

There’s never a shortage of naysayers, debunkers & propagandistic trolls with frivolous words to ignore.

Acetone has certainly improved my cars running condition considerably & it’s been too long to exactly remember how much gas it has actually saved me. Regardless of that, petroleum companies suck multinational corporate devils dick anyway you slice it!

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collapse Joe Says:

Hello. I have a ’76 Skylark with a cammed out 5.7l engine. It has been standing for several years other than the weekly drive around the block.

Recently I started driving it daily once more. It had been running really rough, had a slight hesitation (delay from pressing the gas pedal to going). Because of the economy and the price of gas, I uses the lowest grade gasoline 87 octane regular unleaded. Probably the cause of the hesitation and roughness.

The other day my friend showed me a website about using Acetone as an additive in gasoline. I decided to use some acetone the next time I bought fuel, which was within hours of hearing about possible fuel savings 13 gallons of 87 octane shell gasoline plus 2oz of 100% acetone.

Well!!! Within 10 minutes of running on the new gasoline with the acetone, the hotrod was once more a responsive vehicle. The idle settled down, it smoothed out, the vehicle became immediately responsive to the input of my right foot!!! I also noticed over a few days and another full tank of gas with acetone, that the mileage (consumption of gasoline) had dropped.

In conclusion, I have a very heavy foot, and if adding an inexpensive additive such as acetone, makes my vehicle run smoother, better, faster, and respond like it did 10 years ago, then I am sold! Hope I don’t anger anyone, but I see a difference.

P.S.: I also have an ’86 VW Cabriolet that I purchased yesterday. It was sold to me as the owner was frustrated because it would not stay on. He had no clue as to why. I bought 5 gallons of premium added 2oz of acetone and drove it for 3 hours yesterday and 3 hours today, city and highway driving. At the end of yesterday however, the engine stopped stalling!!! Ladies and gentlemen, you may draw your own conclusions.

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collapse David holz Says:

Wow i cannot believe what i am reading , first do people have no decency anymore insult after flipping insult , seriously its sounds like people are starting to turn on each other. i know we all love to blame a conspiracy for our everyday problems but most likely your just as dumb or smart as the next guy generaly speaking
. not trying to insult any one just trying to bring equality to the table. not one single person knows everything can we all agree on that? most of us like to think we know what the f is up and who can blame us its comfortable to feel correct right ? but that doesn’t mean we are correct all the time. btw does any one know the definition of definition prob not even if there is one most likely it won’t make sense , does anything make sense haha. anyways just know no matter how smart or intellectual your think your are you could always be seriously wrong. im prob wrong too but that doesn’t stop me from sharing my “OPINION” it is our fundamental right. anyways fight the good fight don’t give in to cheap shots and idiocracies , remember it not the other guy your trying to outsmart it is you who you have to defeat and to try to be on topic fuel savings come from lightened car, volumetric efficiency and imagination hahah the last one is open for dicussion

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collapse Doug E. Says:

After reading through this entire post, I am going to try acetone in my vehicle. I wrote down a list of what ratios of acetone per gallon that have been called for and figured an average of 2oz per 10 gallons is a good starting point. I have a 1996 dodge ram pick up and it gets only 13.5 city and 17 highway as an average over the last 3 years i owned it. I keep my dodge in fine mechanical order, oil changes as recomended, ect. Overall i have a 3 year average mpg log with a truck in good to excellent mechanical condition, so I feel its time to try the Acetone and see if it makes an improvement. I will post whether this improved or hindered this vehicles operation in any way.

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collapse JD Says:

I am curious about trying the acetone experiment. I used some once to start a burn pit brush fire and it really gave a very fast highly flammable burn. It was a really severe ignition. Scared me to death. Maybe it could help ignite the gas faster and hotter. This may help give a more complete burn.
I don’t see what harm it could cause, it won’t cost hardly anything to try.

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collapse Mr B Says:

Let’s get facts straight on the Acetone so called myth. (IT WORKS!)
First off, Acetone will work on both gasoline and diesel engines. You will not notice any quick or major change in your mileage for at least 5 to 6 tank fulls. The Acetone has to mix through the fuel. Only a little amount is needed per gallon. A good ratio for todays gasoline mixes is (1 ounce of Acetone per 5 gallons of fuel.) Acetone does not make the fuel of your vehicle burn hotter or faster. It does not harm any part of the engine. But will strip the paint off your vehicle. I know, don’t ask. So carefully put it in your vehicle. It does not burn funny colors or burn bad odors. And it does not affect any sensors. Now since that is said, lets move on.
For the operation process. Fuel burns in the engine. DUH! But not all of it is burned. This is because the gas or diesel injected into the engine is still in a semi-vaporous form. There is still some droplets of fuel left and liquid form of gas and diesel will not explode. It burns but doesn’t explode.(Ever see flames coming out of a drag car exaust? Burning vapors from droplets of fuel.) That unexploded fuel leaves an explosive vapor itself and is supposed to be recycled throught the recirculatory pump to be reburned. But all of that vapor is not brought in. That’s what the O2 sensor really reads. Unburned fuel ratio. Adding Acetone helps the fuel vaporize when injected, thus making less droplets to be burned, allowing the recirulatory pump to work more effectivly, causing less waste on fuel. Finally giving you more mileage per gallon and a little more horse power.
Acetone is about $2.oo per 12 ounce bottle. Ask the ladies. If you do not want to goto the beauty store, your local hardware store will have it in the paint department. Just make sure it is 100% PURE ACETONE. Anything else can have a chemical in it that can cause a fuel injector to clog. This is coming from a 20 year mechanic that has been using this myth for just as long. ME.
Hope you try it. And keep saving $.

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collapse Ben Stuffin Says:

Your dumb!

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collapse Car Guy Says:

OICU812 you are the biggest dipshit. Even though the displacement is similar does not mean that they are the same. The small block Ford engines from the 2000’s are vastly different than the small block Ford engines from the 60’s. There is virtually no parts interchangeability between the two. Who’s credibility is out the window now….time to spend some time outside away from your “command center” that is your mom’s basement.

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collapse Car Guy Says:

Just out of curiosity did you do any maintenance to the car before the trip. Did you switch from regular oil to synthetic right before the trip? Did you start using Z-max just for the trip? Did you use the cruise control on your trip where you normal don’t? You post proves nothing since it lacks any testing data and has lots of unknowns.

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collapse LogicMan Says:

I know this post is old, so I may be wasting my time, but I find “nobrainer” to be a very hard person to please. I think he needs to get laid or something. Possibly go to some counseling. He has set up a straw-man argument that he keeps knocking down. He issues a challenge then rewrites the rules when someone complies. Just as he keeps telling others that their stories offer no proof, neither does he. And to think Mythbusters is unbiased is to be about as delusional as can be. I have a very high knowledge of physics and math, and I see errors on the show all the time. I see lack of reason, lack of effort, lack of study, and also, whether purposeful or not, a preconceived idea of a tests result before the study begins. I haven’t tried the acetone yet, but I will, and I will determine for myself whether or not it works for me. But who am I to call another a liar for saying it worked or didn’t for them?

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collapse EDWARD Says:

If you look at the Material Safety Data Sheet for Berryman Chem too Cleaner, sold at most autoparts store. It states that it Cleans petroleum residue and disperses moisture from fuel system, fuel injector, valves, rings, pistons, oil returns, lifters, PCV valve, and oil pump screen with High Energy Solvent Technology (H.E.S.T.). Regular use ensures higher compression, fewer repairs, lower operation costs and increased spark plug and injector life. This is what the Berryman Chem Tool Cleaner product claims. So in a old car or hi mileage car, it would really clean your engines car (fuel injectors, spark plugs, Carburetor if older vehicle, , Acetone makes up 80-92% of the Berryman product, which would be 8-11 ounces of acetone in the products 16oz container. I’ve used this product for years, and it works. But i found it cheaper to just go to walmart and buy a 1 pint container of acetone for $6.00 and just throw in 6oz of acetone for every 10 gallons of gasoline I add to my car. My car runs better than it did before (77,000 miles). It starts up quick in the mornings, and runs smooth and with higher and faster acceleration at take offs, like when flooring it while getting on the freeway, than it does when I don’t add the acetone to a full tank of gasoline (12 gallons Max.)

Buy a thin small funnel ($2.00), a pint of acetone at walmart ($6. something) and add 6oz per 10 gallons of gas that your going to pump. add it before you fill up, so that it mixes well with the gas. You’ll feel the slight defference. You’ll notice more at about 1 to 2 weeks after continuously at every fill up for 1-2 weeks.

It would have done a major cleaning job removing the burnt buildup deposits from your injector, spark plugs, cylinder and cylinder walls, and rings. continuing to add 6oz is a smart preventive maintains, as its more of a concentration of cleaner in your tank opposed to the amounts of cleaners in Tier-1 gasolines sush as shell, chevron, 76. BP is not a Tier-1 gasoline. Its a gasoline with the federal min amount of cleaners. The others listed have gone above the federal min, but still not as much as adding 6oz to your gas. I BP gas use it with no problems, as long as I’m dumping 6oz of acetone.

Tested it yourself. It’ll run you about $8.00. It will make a believer out of you. I now get roughly 4 miles more per 3 gallons of gasoline. my car is use to get 22mpg on the road. I now get 26-27mpg on the road.

Here’s the Material Safety Data Sheet for Berryman Chem tool.

Material Safety Data Sheet
SECTION – 1
Part No.: 0101C, 0105C, 0117C, 0120C, 2401C, 2405C, 2420C, 2421C.
http://www.berrymanproducts.com
EMERGENCY TELEPHONE NUMBER
INFOTRAC (800) 535-5053
COMPOSITION INFORMATION
COMPONENT % BY WEIGHT
Acetone 80 – 92%
Toluene 10 – 15%
2-Butoxyethanol 10 – 15%
Methanol 2 – 5%
Isopropanol 1 – 2%
Methyl Ethyl Ketone 1 – 2%
Xylene 1 – 2%
Amyl Acetate 0.1 – 1%

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collapse EDWARD Says:

Correction to top sentence: I now get 4 miles more per gallon of gas or 12 miles more per 3 gallons.

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collapse Phil Perkins Says:

BS,
Before calling someone dumb, check your spelling. “Your” or “you’re”? Do you know which?

Pot calling Kettle!

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collapse Tim Says:

You’re only saying that because their conclusions aren’t in line with yours and your comments claiming they’re paid for by the government is the best argument you could come up with.

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collapse mike l Says:

shut your pie hole. potty mouth

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collapse Digix Says:

Myth Busters is a fun show to watch, but it’s intended audience wants something entertaining to watch with explosions, wrecks and nifty experiments that doesn’t require a lot of thought on their (the audience’s) part. What I mean is that the show is there for entertainment, not for educating people about science. They put up a good front for being “sciency” when they want, but the bottom line for the show is more about good entertainment value than it is about science value.

I think nobrainer simply wants to argue with people.

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collapse Frisbee Says:

HAH!

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collapse Frisbee Says:

After all the discussion and the many comments in favor of acetone in the gas tank I will have to try it out and see what happens. I am in favor of trying new things but am also cautious about things which cost way too much money for the so-called benefit they give. Acetone seems to be relativey inexpensive and the WalMart Kleen Strip gallon is good to have around for cleaning throttles and new discs or metal surfaces about to be painted (like, calipers). It is @ $16.00 a gallon and would probably be a lot less if it wasn’t in such high demand from meth producers. In using it for a throttle cleaner it does make a terrible smelling and smoky exhaust for a few minutes (from the little acetone left in the throttle body which gets sucked into the cylinders at start-up along with the air) and probably its fumes are highly carcenogenic for those few minutes, but, the car does run smoother after the clean out. If it works all the time I can’t see any reason not to keep using it, but, time will tell. As far as the smelly, smoky fumes, I would recommend NOT breathing them.

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collapse Michael Says:

Consider this?

Maybe Louis Lapointe and many others with their various gadgets and gizmos over the years maybe are not as nuts as everybody thinks or claims? First fuel economy is always determined my the operator of the vehicle. Second in many cases if you get more power even a little bit? you will use it, result would be less fuel economy. The interesting thing about innovators is that they use things and develop things in the real world. Unlike USEPA, CARB and some of our large corporations who play by a completely different set of rules. In the real world the vehicles the innovators use, are in the main, probably high mileage used vehicles. Not NEW! The point here is that not one paper has ever been published anywhere on the planet that identifies what the scientific mechanism is that causes deposits or Carbon deposits to develop in an IC engine.(Not even the Oil Companies or the Auto Companies can answer that question) But we do know what they do. Most deposits in an IC engine absorb and desorb fuel in the process of burning it. This fuel does not burn for power. Starting back in 1986 no cars sold in America used carburators. The computer and sensor technology changed everything. One of the primary purposes of an engine control computer is to maintain drivabilty. This means that the engine controller and sensor technologies will tune around the deposits that are developed in the engine. Basically this means the engine will become less efficient and use more fuel incramentally but you will not notice it because of computer and sensor technology(Those folks in Detroit are GOOD!). Hence fuel being absorbed and desorbed.

Now along comes Joe Innovator he puts a technology of some kind including acetone on this high mileage and probably high deposit vehicle. Even goes so far as to have the vehicle emission checked, Remember fuel is being absorbed and desorbed by deposits? His technology for what ever unknown reason appears to reduce emissions, improve performance and improve fuel economy in his testing? Now the question that has not been asked but needs to at this point is: Compared to what? when the vehicle was new? or when it was old? Is this an improvement? or is this a restoration of the performance and emission profiles back to more like when the car was newer?

I do not think the problem is the innovator, or the car maker or even the refiners. One only needs to read the clean air act amendments of 1990 and see who has taken responsibilty for fuel formulations?

We have a fuel problem. The refiners are told what specs they will blend their fuels to by USEPA, CARB and AQMD. And these same agencies are pushing the use of ethanol. When we use ethanol it reduces the BTU content of the fuel. Less fuel economy and if your engine is loaded with deposits it only gets worse from here. So We pay more and get less. Sounds like another underhanded political tax scheme to me. So maybe acetone cleans out the carbon deposits and restores efficiency? It certainly has not hurt anthing, has it?

When is the last time you seen USEPA , CARB or any AQMD make a rule on fuel and your fuel economy went up?

Answer: never happened, but everytime they have made a rule on fuel. Your fuel economy has gone down for sure, pay more get less. Remember this the next time you see those senators and congress persons grilling the CEO’s of the oil companies on TV about how much profit they are making. The state and federal governments together make more profit per gallon than the oil companies do and they have no real investment…..

If you want a good report on carbon deposits and what the do send me an email at drfuelinstein(at)gmail dot com subject matter of email should say carbon deposits

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collapse Dave Says:

After reading way too many comments, I find it very refreshing that, after taking the advice of many mechanics, engineers, and government lovers, I followed “Edwards” advice above (same general idea but from an engineer) on my 2003 Nissan Sentra GXE for the past 8 years…I did some following of this blog, as would normally be expected, but without comment. From the time we purchased it (started out from 1 Arizona owner at 58,000 miles to a little over 210,000 miles at 22 mpg city, 28 hwy) after 6 months to a year of record keeping and noticing the change like mentioned above taking about 1-2 repeated usage of the additive, driving safer, lighter, smarter..etc..we found absolutely nothing wrong with using it and no negative side affects. Regular checkups, computer diagnostics, regular maintenance, went from using Valero/Beacon gasoline to the suggested ones like Cheveron, Texaco, and the like, we are still getting 37-41 mpg city/hwy, which we got on our 92′ Honda Civic for 10 years. As has been stated many, many times on many other web sites, results will vary, cars are different, the environment is different. Life is short, live and learn. While everyone who isn’t trying it isn’t enjoying the benefits or repercussions of their choices, the fact remains…you ain’t saving as much gas as we are :) Lord, I pray for the day we get off the ground with cars…maybe some day. Thanks for your time.

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collapse BroncoGuy Says:

The 302 and 5.0 are very similar,but NOT exact.The 302 has smaller diameter spark plugs than the 5.0,the 5.0 is usually fuel injected and the 302 carbureted,the 302 and 5.0 have different cams,different cranks and different firing order,the 302 uses 28oz flywheel and harmonic balancer weights while the 5.0 uses a 50oz.

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collapse BroncoGuy Says:

I have used acetone and xylene and Marvel Mystery oil mix for years.It may add a few mpg’s but it definitely smooths out the idle and how it runs.Something to do with allowing the fuel to atomize better and have a lower friction coefficient.I am not sure HOW it works,but it DOES work !!

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collapse JAG Says:

Data collection and consolidation please:
– carbureted v. fuel injected.
– super-charged v. turbo-charged v. no charged.
– RWD v FWD v AWD
– Automatic v. Manual transmission
– Engine displacement
– Engine configuration
– EPA smog control devices used
– Long-term maintenance records of similar vehicles with one using acetone and the other not using acetone.

If all of this data is provided in a spreadsheet or some other organized manner, and corelations between acetone concentrations and fuel efficiency can be linked to the above variables with consistency, then I will believe it works.

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collapse Timothy L. Singleton Says:

What I don’t get is the heat of these exchanges. Acetone is not going to hurt your motor in 3oz/10gallons.

Try it and if it works, keep doing it. If not, then don’t. If you find it works why would you waste time arguing with folks who like to pay more for their fuel bills? If you find it does not work, why are you wasting time arguing with folks determined to believe myth.

Sweat to Heaven, some blogs are completely overrun with grown men with the mentality of 13 year old boys.

Mythbusters is entertainment. It is not to be relied on for accurate scientific or engineering information.

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collapse Steve Eichorn Says:

This is so interesting! Brings back some fond memories too! Like the poster who talked about the go-karts back in the 60’s I ran 99.88% pure alcohol 1 gallon with 4 oz of “blendzane” oil I think it was called back then. This was in El Paso ‘1965-’66 It was a “Mac-10″ with twin tillitson carbs. The intake stayed cool as a cucumber too. As to the 302 vs. the 5.0 HP ratings There is a big difference between rear wheel HP and crank HP. I also totally agree about the TV show “Mythbusters” the key word is “TV” !!! The girl was hot though! And water injection? The B-52 bombers had ‘em! ………….that’s another story! Acetone? Whatever floats yer boat! The End, Steve

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collapse Rich Gordon Says:

The Mechanic is 100% correct ! Having a lead foot so to speak will reduce your fuel mileage , also he is correct about tire pressure , if you think in any way he is wrong than you are A FOOL ! The fact is the harder you press on the gas the more fuel you will burn , also low tire pressure makes your car harder to role and you will consume more fuel because the engine has to work harder (burning more gas) to move the car. So unless you know anything about cars please keep your comments to yourself ! and from what i have read from you i expect and insulting comment back from you….

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collapse ItsThereForTheOpenEyed Says:

Its true. My German friends comment daily about how their 3.0 TDI is more powerful than our 5.8 liter Suburbans and gets far better gas mileage. The design is 20 to 40 miles per gallon for Americans, (the cash cow). Anything above that will catch the attention of the refining and marketing industry. I will be interested to see what reason they give when they discontinue the Chevrolet Volt, as I believe they might. Not enough Interest? Not enough buyer interest.

Sure you can have your Chevy Cruz which gets 38 to 42 miles per gallon for 15,000 or the volt with which we will inflate the price to 42,000 for the Volt, it could be delivered for less, but not your volt which could get 87 to 100 miles per gallon on a charge, until the industry has postured its gas fired plants into regular operation and have the electrical grid where they are in a position to benefit from such vehicles. When they discontinue the Volt your Cruz will then rise in price by 30%. Its an old game, with the same players, almost like Monopoly. The oil price will rise with the mpg and the MPG only rises when the industry wants it too. They only want it too when they are under pressure. Why do you think the Germans know better and think we’re idiots when they drive our worthless suburban rentals around. Just teaching people to drive a shifter reduces oil company profits. Consequently the Crude oil spread was 35% for europe with Brent crude trading at 114 while WTI was trading at 80. They basically said we know you are conserving so we will simply charge you up the bounty. Inflation combined with a steady expectation of what the companies can expect in demand is what decides your crude price + a little manipulation and speculating on the trading side. Does anyone even know who trades oil? and who decides what the end price will be? Probably not.

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collapse harry Says:

note; the japanese mitsubishi zero outclimbed the american p-47 thunderbolt and hellcat because it was so much lighter, being less heavily armored. during that era, octane of avgas was high and i have seen no mention of ethanol having ever been used. many american fighter planes used water injection for reasons previously mentioned. also; the chance-vaught f4 corsair ( called by the japanese “the whistling death” )could fly faster than a zero and outclimb it, as could the north american p-51d mustang.
i see two lines of discourse here; the anecdotal, emotional, uneducated one, typically enamored of conspiracy theory, and in contrast, the scientific one.
none of the reports of increased mileage using acetone has been established in any controlled, repeatable way, and nobody has accounted for the possibility that initial use of acetone in a fuel system impeded by varnish (gum) could restore that system to its proper function, thereby showing an improvement, after which, it doesn’t matter whether the use of acetone is continued or not.

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collapse Frank Says:

The auto companies have the same thing to gain as the oil companies. Money. In fact, that is where their incentive comes from, money in the form of kickbacks form the oil companies. Thus, the conspiracy. Very simply, it is a matter of controlling supply and demand. The oil companies have earned trillions of dollars each year for decades. Their supply is finite and they have known that eventually their supply will dry up and/or be replaced. Knowing that their product will be replaced, their intent is to stretch out the time period in which oil is king. What they have been doing successfully for years is to slow the growth of alternative fuels to avoid competition, limit the amount of oil produced each year to minimize supply and to increase the demand, thereby raising the income per gallon. Controlling the auto industries MPG per vehicle is one of the ways to increase demand. Increases cannot be stopped and they know that but they can certainly slow the process down through kickbacks. And why does the government want poor mileage? The same reason. Our government, or the officials we elect to run it, are deeply loyal to the oil companies due to their large political contributions, kickbacks and lucrative post-term private sector positions. A perfect example of the slow-down of alternate fuels is the hydrogen fuel alternative that has gotten so much exposure in recent years. Hydrogen, the most common element in our universe, has been known as a possible oil replacement for many years, and in fact was used as a fuel over a hundred years ago. The problem with hydrogen is that it is so common and so easy to produce. So much so that the issue has become, how can a company profit from it? The answer, produce it on a large scale and distribute it as you would gasoline. And in order to do that, you have to have a fuel cell that can store it safely. The big push now, and what our government offers grants for, is in the development of these safe fuel cells. They do this instead of researching hydrogen on demand systems that can be fitted into the vehicle and would only need to store water to be converted to hydrogen as needed. Anyone with more than an IQ higher than 50 can electrolyze water into hydrogen and oxygen, and do it safely. But big business cannot profit from that. As a result, its use as an alternative fuel has been stymied. As has photovoltaic energy. And others I won’t go into. Is there a conspiracy? No. Your government, the oil companies and the auto industries all have your best interest at heart! Trust me on that!!

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collapse Silence Begood Says:

“Nobrainer’s Think Tank” where he “thinks” he knows everything! Mythbusters is a great show but I’d hardly call it scientific. After reading every one of these comments (yes, I had way too much free time) it seems to me that acetone must play a part in cleaning engine as well as a modest increase in vapor production but because the variables are many, its detractors have plenty of tests to point to where it doesn’t work. I find the truth is often somewhere in between. LaPointe and Mythbusters are opposite sides of the same coin. The truth is inbetween the faces at the edge.

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collapse Silence Begood Says:

Frank, I’m with you on the government but a word of advice: pointing out the corruption without actual names and examples makes it look like pure conspiricy. People tend to treat conspiricy with much critical contempt (which they should, becuase without proof it’s just hot air) so what you need to do is provide evidence that moves your thesis out of conspiricy into proof. Or, do you believe naming names and dating facts will get you killed or your car stolen or something? I believe that the government/ oil companys are currupt but because I don’t have evidence besides apparences and circumstantial I tend not to argue with people about it. It just makes me look foolish and my lack of hard evidence actually pushes people further away from what I believe to be the truth. Sometimes silence is better. er, silence whilst you wait patiently for smoking gun proof… and one day we shall have it.

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collapse Ben Harper Says:

No one uses carbs anymore because they suck ass. Do some research, fuel injection constantly adjusts for temperature, air/fuel ratio, manifold pressure ect… This is the way to get maximum fuel economy in all conditions. You can only go so lean before you risk burning holes in your pistons.
Now why is it that damn near all of you hilljacks have all kinds of spelling errors?
And I suppose acetone should work as it could clean up the carbon build-up on the back of your valves.
If you want to get better fuel economy, take your heads to an engine machine shop and have them flow the ports.

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collapse Charlie Says:

Some people may view Mythbusters as something solidly rooted in the big leagues of science, but the truth is the show is purely entertainment. Big oil companies and the government don’t want the knowledge of things that could decrease your dependence on them in circulation. Mythbusters is just another propaganda outlet for them. For example, when they were testing the myth that Archimedes burned invading ships with reflective materials, they busted it. However, it appears that the average schmuck on YouTube can get 12 flat mirrors to set fire to plenty of things. I’ve done it myself. I also use acetone in my 2010 Hyundai Accent, and it has increased my gas mileage from 25-30 mpg to 35-40 mpg. That makes a big difference to me.

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collapse Charlie Says:

I forgot to mention that I keep my car running in perfect condition, I change the oil and transmission fluid regularly, I immediately replace or repair defective parts. I’ve seen no ill effects of the acetone. In fact, adding acetone to my gasoline mixture has cleaned my fuel injectors, and now my car is running better than every.

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collapse tooeasy Says:

It seems this would be all too easy to prove or disprove with a lawnmower, some proper measurement and a stopwatch. As long as the same volume of fuel (gasoline and gasoline+acetone) was used, with the same running conditions (driveway, not actually cutting grass) and multiple trials, that should answer, one way or another, whether this is real and anyone could do it. Car engine management electronics wouldn’t be in the way nor would driver’s habits.

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collapse William Says:

I beg to differ. I’ve been using it for years and yes it does help. A friend of mine who is a mechanic (btw he built Shirley Muldowney’s race car engine)scoffed at the notion of acetone boosting gas mileage until he was heading out on a 300 mile round trip and I practically begged him to give it a try.

I lent him my kit and he agreed to try it. Wellll, upon his return he was raving!!! He got 10mpg MORE! Now that’s nothing to scoff at is it?

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collapse Richard Says:

I have an old 99 VW Golf that I have been using acetone in for a few years now. Without a doubt, acetone does improve the vehicles mileage…about 15%. Why? Seems acetone is the prime ingredient in most injector/fuel system cleaners….that certainly can’t hurt. Acetone seems to make my car run smother, almost as if there was a bit of an octane boost. I ran out of acetone for a while and the decrease in fuel economy and vehicle performance was quite noticeable.

Tire pressure 36lbs 2%-5% improvement
Oil: Synthetic with 1/2 bottle of Tufoil (fairly cheap stuff) 5%improvement Acetone 2.5oz-3oz/10 US gallons (about 26 liters) 15%-20% improvement Speed around 50-55mph on the hwy. 80-90kmph (usually the posted speed limit around these parts) at least 10% improvement from 65mph…and no speeding tickets. New air cleaner 1%-2% improvement.

That’s a 33%-41% overall improvement…and with gas at $1.35 a liter here in Canada…you don’t need to ask why…

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collapse shannon Says:

i must agree with Tx-James, he did have alot of information and opinions that could be verifiable through basic tests, and that people should READ the message before disclaiming the message.

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collapse haha Says:

this is funny to read. hho or hydrogen fuel has been tested the same, and had (still has) oil companies very mad at how well it works. i dont care what degree you have or how many reasons and big words you can throw around, so many random people would not waste the amount of time it takes to just explain how this would work if it truly did not. non of them make money from you buying fucking acetone, or teaching you how to build YOUR OWN hho generator (for under $20). on top of that, FORGET MYTHBUSTERS. they are full of shit. suuureee they have tons of perfectly accurate myths busted or not-busted, but then how are you to decipher the accurate ones from the inaccurate? you can’t, which is why that technique works. like subliminal marketing. colors and music and shit to attract different audiences, in this case they use true info to trick you into believing their bs. i never really believed what ive said about them until they tested hho and claimed there is no possible way for it to work. they didn’t even have half the required equipment to successfully instal and test an hho system. why should i believe they had ALL the proper shit for anything else? your own research will be your last AND best resort. not some stupid tv show… in the defense of this guy using and constantly recommending those mpg gauges (whatever the name was), ever think that maybe thats one of few brands that proved itself? im big into car audio/electronics and i ALWAYS recommend the exact equipment over and over again simply because i know for a fact it works. also, you bash him for telling you that you must keep your car in top shape for this method to work…what the hell is wrong with telling people that? you say gas stations say the same thing? no shit? mechanics probably say the same…? DUH. your car doesnt work at all if you dont keep it up and running. common sense. this could all be solved by common sense. every time you gas up, throw in 3oz of acetone per 10gal of gas, if after ATLEAST 3 tanks you see no gains (older car only) double check your calculations. if your car (or gauge) does that for you, make sure all componants that affect fuel efficiency are clean and relatively new. repeat the experiment. if it still doesnt work, you know it doesnt work. hho, instal it right and youre v8 will sit nicely at 25+mpg CITY. there is WAY more proof in favor of this shit than there is against it. non of the arguments against either acetone or hho even make sense. the only bad part of acetone is adding in a shit ton or using different concentrates that contain other chemicals which you are advised NOT to do. it is far less corrosive than the ethanol and what-not your gas was made with in the first place, so if you drive a car that has engine components that cannot resist acetone then it must not run on gasoline or diesel either, that would not be possible. 3oz (amount per 10gal) of acetone would barely affect your skin… as for hho, dont be a dumbass and there is no downside to it at all.

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collapse Opinions wanted: acetone mix in gasoline Says:

[...] [...]

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collapse D Says:

Alright, to be fair, NASA would be perfectly happy to provide all the help for independent, unbiased testing into disproving the moon landing if the landing were true, as they would have nothing to hide at that point. So…your point is kind of moot.

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collapse D Says:

Dude…seriously? The point of performing a double-blind test on this experiment is to limit the effects of human intervention based on perception. The “placebo effect” does not apply to the medications being tested, but the humans perceiving the effects. In so much, a double blind study on the perceived effects of fuel-saving devices would be perfectly acceptable. It would prevent the human factor in the tests from consciously or subconsciously tampering with the results.

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collapse Casey Says:

Acetone combined with gasoline at 1 ounce per 5 gallons in a 1986 Toyota Camry resulted in 66 miles per gallon. Previously the mpg was 46 mpg. I am a believer. I also mixed 1 ounce of Marvel Mystey oil using the same ratio.

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collapse mrcanon Says:

Really? That mechanic actually knows that after years and years of actual mechanical experience, not just u sitting on ur ass typing ur unsupported criticisms, that keeping ur RPM’S low, and less throttle demand will literally save gas. Quite literally u can substitute revolutions per minute with combustions per minute if it helps u understand….yes u can add chemicals like acetone to increase mpg’s a tiny bit, or other genius tricks, but that’s all secondary. your driving habits need to change ultimately. i have a 1974 subaru DL, acetone does wonders for that bitch, noticably. and honestly i dont think fuel injected vehicles result in much of a difference, but with a carb it’s just different.

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collapse clayrby Says:

I use acetone and oil in my gas with my 1979 for ltd with a 5.0 litter 302
usually I get about 8 to 10 mpg, depending on my foot. But with that mixture I actually gain about 2 mpg
I guess it’s all in the driver. Take in mind I’m talking about city driving.

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collapse Brandon Says:

I can’t believe all these ridiculous sheep that can’t open up their eyes and see how big oil and big brother are holding them down and keeping them in gasoline chains. I put a few ounces of acetone in my gas tank back in 1996 and I haven’t had to fill up yet! My MPG is off the charts!

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collapse Average Jenius Says:

Notice that if your car has a computer and fuel injection and not a carburetor then then acetone(27% oxygen) will be over ruled by the computer so the air/fuel ratio will stay within limits. When you add more oxygen(acetone) the computer compensates for it by increasing fuel(more gas) so you don’t see any change. On cars with carburetors you will see an increase in mileage. look thru the comments and see those with older cars without computers say it helped!

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collapse JimB Says:

Hey guys,
I just bumped into this thread by accident and thought I would give you
all some food for thought .
I’m an inventor, with 153 IQ, and EXTENSIVE experience with Fuel Injection,
Turbocharging, and engine modifications for efficiency and power .
I have also designed an engine that is between 200 and 300% more efficient
than anything commercially available, it runs on Diesel but could be
adapted to run on almost any fuel, but I’m sticking with diesel because
it produces the most heat per gallon of virtually any readily available
fuel .
Enough of that, the point that EVERYONE on this thread is missing is that
current, cheap, piston engine technology will probably NEVER exceed
it’s current ~23% maximum because of a very simple reason,
wasted heat, (heat = energy = gas mileage), PERIOD .
The problem is that a piston engine throws away 77 to 80% of the
heat energy contained in the fuel, this is a mechanical problem,
NOT a fuel problem .
Now, to be nice to the people who have seen improvements in fuel mileage
I will give you the ONLY 2 reasons WHY you got an increase,
(leaving out the psychological factors).

1) Your engine has poorly designed combustion chamber,
therefore, you saw some increased combustion efficiency from the Acetone.
OR,
2) Your engine/vehicle is in a poor state of tune, and the slightly
improved combustion efficiency provided by the Acetone is
covering-up that fact .

Now for some simple numbers to put the lie to some of the outrageous
claims.

1) Since your stock piston engine will NEVER exceed around 23%,
(lets call it 20%, just to simplify the math),
4-fifths of all of the heat energy released by the fuel that you are
burning gets THROWN AWAY, (by way of the radiator, tailpipe, etc.).
This means that if you claim that you got a 20% increase in mileage,
what you REALLY got was a 20% increase in heat energy from
the same amount of fuel.
Sorry guys, Chemistry and Math just don’t work that way .
On the other hand, it is possible to reduce the amount of wasted
energy going out your radiator and tail pipe .
You CAN do this by increasing your compression ratio,
thereby extracting more work from the heat produced before the
exhaust valve opens, but Acetone can’t do that or replace compression.

There is absolutely nothing wrong with the fuels
currently available,
but there is EVERYTHING wrong with the ~130 year-old piston engine.
It’s an absolutely stupid design.

The solution is unbelievably simple, and cheaper too.
And no, I’m not going to give it away here.
If you’re a really big game player, lets talk.

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collapse JimB Says:

Sorry about the short reply yesterday, I was running out of time.

Here is some more info for you to ponder.

Yes, it may well be possible to slightly increase the
combustion efficiency of your engine by using Acetone.
This is largely due to reducing miss-fires, which, when minor,
will usually go un-noticed.
But they can amount to 2 or 3% without causing any noticeable symptoms
or fuel injection computer problems on older cars.
On the other hand, virtually all late model cars have rather sophisticated
systems built into the FI computer just to detect mis-fires,
and they work very well.
So if you have a late model car, and the check engine light is not on,
you probably will not see any efficiency change from running Acetone.

Acetone does not cause the combustion process speed to be increased.
Increasing the combustion process speed is the main reason that
increasing compression will increase the overall efficiency of the engine.
When combustion speed is increased, there will generally be less
usable energy wasted when the exhaust valve opens.
This reduced waste is put to good use pushing the piston down,
and because it happens quicker, there is less time for the energy
to be absorbed, and then wasted, by the cooling system.

Increasing the speed of combustion requires higher octane fuel or
combustion cooling (such as water injection), PERIOD.
A small amount of Acetone will not measurably affect
the octane rating of the fuel.

One of the biggest limiting factors of a piston engine is the fact that
there is such a short period of time to extract the energy from the fuel.
It takes a well known amount of time to cause
any given fuel to completely release all of its available energy under
a specific set of circumstances, (pressure, temp, chemistry).
With gasoline and Diesel fuels, the release of energy can be described
in 2 distinct phases, where different chemical reactions are occurring.
The following is a very generalized description of the 2 phases.

The first phase happens very quickly, and provides almost all of
the work of driving the piston down the cylinder.

The second phase takes much more time,
(we’re talking milliseconds here),
and in the average piston engine, is almost entirely wasted,
because there is just not enough time,
so the second phase occurs inside the exhaust system,
were it can’t do much useful work,
(except in the case of turbocharging).
This wasted second phase of combustion can amount to ~30% of
the available energy contained in the fuel that was just burned,
and only MASSIVE Diesel engines, the size of your house,
run slow enough to take advantage of this second phase.
(These engines also get up into the ~45% efficiency range).
Acetone does nothing that effects this second stage of combustion.

If you would like to see this second stage in action for yourself,
all you have to do is take the muffler off of your lawn mower
and rev-up the engine.
See those flames shooting out of the exhaust port?,
that is the second stage of combustion that I’m referring to,
and it’s a complete waste of energy in every piston engine.

My engine design utilizes almost 100% of the
first and second stages of combustion,
but it has no relationship to a piston engine in any way.

As I said before,
there’s nothing wrong with the fuels available today,
it’s a matter of how much of that energy gets wasted by
a poor engine design.

How about this for an example :
Lets say that your 20% efficient engine produces 100 horsepower.
To get that 100 HP you have to produce enough heat energy to make
500 HP in a 100% efficient engine.
To increase that output by 20%, to get 120 HP,
you have to produce 600 HP worth of heat energy.
So you were originally wasting over 400 HP,
and now that your engine is producing 20% more power,
you are now wasting almost 500 HP !!
And no, you did not turn any of that wasted power into useful power,
(unless you were just experiencing minor misfires),
you did not gain more power output from the same amount of fuel.

Increasing your spark plug gap will do more to eliminate mis-fires
than anything else you can do.
This is why late model cars have such bad-ass ignition systems compared
to 30 years ago, it’s not just for “emissions control”.
This is why a properly tuned-up late model car will not benefit
very much, if at all, from any fuel additives.
Increasing your spark plug gap will put additional demands on other
ignition system parts and increase maintenance requirements,
but it does work.
This is also why some engines were designed
with 2 spark plugs per cylinder, like the relatively new Chrysler Hemi.

The efficiency of Gasoline engines goes down as the throttle is closed.
So if you started with an engine that was 20% efficient at
full throttle,
you would probably reduce that efficiency down to
around ~12% at one quarter throttle.
This is why overdrive transmissions get better fuel mileage.
When you reduce the rpm of the engine, a wider throttle opening is
required to produce the same amount of power, this basically
raises the compression ratio of the engine closer to its maximum.
Closing the throttle reduces the compression ratio,
and therefore, the efficiency of the engine.
So if you are not driving around with the throttle wide open
at all times, you are reducing your fuel mileage.
And, by the way,
I have also come up with a transmission design that does exactly that,
it electronically, and continuously,
changes the “gear ratio”, (although it doesn’t use gears at all),
and adjusts the throttle electronically,
so that the engine runs at wide open throttle virtually all the time,
increasing the rpm of the engine based only on acceleration demands
dictated by the accelerator pedal.
Of course this is somewhat pointless, as it is just a bunch of
monkey motion and complexity to try to squeeze out a tiny bit more
efficiency out of a hopelessly inefficient piston engine design.
My completely new and original engine design doesn’t use a transmission,
and is around ~70 to ~85% efficient at all times.
And for those of you that think the word efficiency means lack of power,
it not only gets 3 to 4 times the fuel mileage,
it also produces 3 to 4 times the horsepower as well,
all from the same amount of fuel.

On another note,
Yes, there are definitely big powerful vested interests that would
like to keep things just the way they are, (extremely profitable).
And, of course, there are plenty of people who can be bought,
and that will say, write, or do anything for a buck.
But there are ways around this situation.
Adding Acetone to your gas tank won’t make it go away,
and doesn’t prove anything,
except that most folks out there are desperately looking
for some way to keep from getting screwed so badly.

Something CAN be done about it.
You have to be more creative than they are.
Supporting a group that is trying to actually improve things is
a step in the right direction, but don’t get too caught-up in
something that is not really a practical solution,
like trying to polish a turd, (a piston engine).
Educating yourself is the most valuable thing you can do.
The only barrier to learning what you want to know is simply this:
DEFINE EVERY SINGLE WORD,
NEVER read past a word that you don’t understand completely,
and remember that 95% of what you read was written by someone who
doesn’t really have a clue,
or is operating on the very limited and whacked-out information
that “Everybody Knows”,
or they can’t “think outside the box”,
(like trying to improve on a hopelessly inefficient engine design),
or they are gaining some kind of profit by writing it.
This includes ALL SOURCES OF INFORMATION, PERIOD.

I hope this makes you think,
don’t be a victim, be effective.

Jim

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collapse CCR Says:

CORRECT! The WWII Zero’s were made of lighter material, AND they did away with any kind of armor-plating around the pilot, which lessened the weight even more, so you betcha it would turn on a dime and give you eight cents change. Fuel was a non issue.

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collapse DeanIversen Says:

you didn’t just use mythbusters to validate a claim did you? those dolts are colossal idiots, have you seen them set something up for experimental trials?

I don’t care how much experience or education they have they are morons when it comes to setting up a trial, absolute maroons, using them to validate a claim makes you a MORON!

nuff said

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collapse Tom Martin Says:

I am a retired engineer, whoi worked several years as a test engineer at major companies and for the US government. I have found that in the correct ratio the acetone will increase mileage significantly. I amusing a 1999 For Ranger pickup with a 3.0 L engine. However I have found it difficult to get consistant results. Some of the variables may be temp, humidity, and fuel used, but I have found that is is very easy to add too much acetone.
Among all of these naysayers I wonder if anyone of them can explain to me as to how or if acetone actually mixes with the fuel, because it seems that it is not proportional. in other words if I add acetone in the ratio that I have found works with the initial tank of gas as I refill it seems to overdose and reduce my mileage. my email is tcurtimartin@gmail.com

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collapse Marcus Says:

I find all the comments here to be very interesting, not informative, but interesting. My observations are that 100% of the supporters of the use of acetone have actually tried it themselves, whereas, with only a few exceptions, none of the naysayers have even bothered to try it.

As far as WHY it either works or it doesn’t? Who gives a rat’s ass. It either works or it doesn’t. If it works for YOU, then by all means, use it. Does it really matter if the reason it works is because you changed your driving habits after adding it to your tank? I think not.

Arguing the merits of using acetone falls into the same category as discussing politics or religion, no one is going to convince anyone to change their minds.

I am sure that 99% of everyone that owns and drives a car is aware of what their fuel mileage is, so if you tell me you drank beer and pissed in your tank and increased your fuel mileage by 10 mpg, I say good for you. I am quite capable of making my own decisions and can assure you that I won’t be pissing in my tank anytime soon, nor will I be expecting Myth-Busters to make any efforts to disprove your belief.

I drive a full sized Buick that gets 25 mpg city, and am quite happy with that. 25 years from now, it will all be a mute point. All cars will be electric or hydrogen powered and gasoline will be just a faded memory.

As far as any “conspiracy” is concerned, YES, the oil companies and car manufactory concerns, working through the government, can and do conspire to separate you from your hard earned money. That’s called Capitalism, and it works very well.

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collapse Jimmy the Aussie Says:

I’ve been using acetone (ratio of .7ml/1ltr) in my 2000 Toyota Avalon 3.0L V6 for just over 100,000kms. I have the ultimate test bed for this “theory”. I do a round trip 184kms to work and back each day. After using this ratio of acetone in 95 octane unleaded petrol, I get up to 650-680kms per tank now, and about 600 or so around town. Whereas before I only got a max of 580kms per tank with premium 98 fuel. I change the oil & oil filter every 9-10,000 Kms religiously. Air filter every 40,000 and spark plug leads every 50,000. I was going to change the spark plugs at 50,000 but found it wasn’t necessary, and wasn’t really necessary at 100,000 Kms but I already bought them and did it anyway. I was told about acetone from a Marine Engineer friend that also raced 2 stroke vintage bikes for a hobby. If u use these exact specs you will get results. No bullshit.

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collapse Erik lepage Says:

Bad math skills?
So… 4,000,000 x 365 =
1,460,000,000
He made a typo and you are too retarded to see it, and insult his intelligence? Retard!

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