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Prof said:
I've never read that book, but I have often been pointed toward it by family and friends. I should pick up a copy. Maybe if I put it in my glove box after reading, my mileage will improve.
anything less than 93 octane?
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I've never read that book, but I have often been pointed toward it by family and friends. I should pick up a copy. Maybe if I put it in my glove box after reading, my mileage will improve.
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SRT-IZ said:
The water dryer stuff is usually just alcohol (ethanol or methanol) as these are hygroscopic (absorb moisture out of the atmosphere or out of mixtures such as water and gas). They dislove the the water and tend to hold the water in suspension so that it can pass through the fuel system slowly rather than in any bulk random concentration (which would cause sputtering, rough idle, etc).
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There is a website dedicated to fuel economy called ecomodder.com. Some of those people have done extensive testing of various fuel additives, biofuels, etc. Here is a post from the acetone thread from a guy that has has made several mods to his vehicle to improve economy:
I picked up 4mpg way back when I first got my xfi by trying 3oz of acetone each fillup ~8gal. I did that for about 3 tanks then quit using it. My mileage stayed the same and didn't drop. So I pretty much decided that it is a good injector cleaner for a car with 100k or more on it. It is also cheaper than those little bottles of cleaner.
As far as changing the way the engine burns the gas or whatever. My setup has an audio based knock sensor, wideband O2 sensor and Megasquirt computer with realtime display. I tried acetone again, this time the fuel/ignition systems were already clean and in absolute perfect tune before adding it. Nothing changed at all. No difference in the sound of the knock sensor so the timing didn't need to change and the wideband was showing a still perfect tune. My mileage also didn't change. So that little test also didn't change my mind and I still think it might make a good cheap fuel system cleaner.
So my opinion is that if you average 5 tanks on each part of an A-B-A test that you probably won't see a change, not counting the first tank of B and the second A to let the car adjust if it is obdII based. But if you have a car with a lot of miles or possibly a non ideal tune it might help out some. It is maybe possible it can make the gas burn a tiny amount faster/slower so if the timing is not ideal from factory or just out of tune you might get lucky and the acetone/gas mix can get the car closer to what it is currently tuned for. But tuning the engine and not bothering with the acetone seems like a smarter idea to me
There are several posts back and forth between the logical and the wishful. Some of it is entertaining, but it mostly sounds like alot of our threads on vtcoa. Here is the link for those of you that want to read and convince yourselves one way or another: http://ecomodder.com/forum/showthread.php/really-acetone-3101.htmlAs far as changing the way the engine burns the gas or whatever. My setup has an audio based knock sensor, wideband O2 sensor and Megasquirt computer with realtime display. I tried acetone again, this time the fuel/ignition systems were already clean and in absolute perfect tune before adding it. Nothing changed at all. No difference in the sound of the knock sensor so the timing didn't need to change and the wideband was showing a still perfect tune. My mileage also didn't change. So that little test also didn't change my mind and I still think it might make a good cheap fuel system cleaner.
So my opinion is that if you average 5 tanks on each part of an A-B-A test that you probably won't see a change, not counting the first tank of B and the second A to let the car adjust if it is obdII based. But if you have a car with a lot of miles or possibly a non ideal tune it might help out some. It is maybe possible it can make the gas burn a tiny amount faster/slower so if the timing is not ideal from factory or just out of tune you might get lucky and the acetone/gas mix can get the car closer to what it is currently tuned for. But tuning the engine and not bothering with the acetone seems like a smarter idea to me
Cool. Reason i asked is because i have a 90 cherokee and did not pass emissions. I read on an article that if i added a bottle of HEET (water dryer) to about 1/4 tank, it would help pass because it burns much cleaner than gas. Well i tried it and passed. I was skeptical about it so the following year i tried again without putting anything in and failed. Came back the next day after putting in the water dryer and passed.WOT said:
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The best thing about using DEET in your fuel is that you don't have to worry about mosquitos.....
Have no idea what youre talking about!WOT said:
:dontknow:EDIT: DUUUUUHHHHH!!! Never mind!!(fixed
):shot: :bebored:
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Yep, DEET is not only an effective octane booster and water absorber, but it is the key ingredient in bug replant.
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