Acetone?
Acetone?
The other day we were discussing alternative fuels. And a guy brought up that he uses Acetone in his vehicles only a few ounces per tank, but he swears by it.
He says it adds to his gas mileage, cleans out the injectors.
Now is this safe to run in the X?
I am thinking it'd be hard on the fuel lines. Sorry if this has been discussed before.
He says it adds to his gas mileage, cleans out the injectors.
Now is this safe to run in the X?
I am thinking it'd be hard on the fuel lines. Sorry if this has been discussed before.
Acetone as a fuel additive
Recently, the idea of adding small quantities of Acetone to fuel (mostly petrol (gasoline), but diesel has also been mentioned) has attracted a lot of interest. (At the time of writing, "acetone gasoline mileage" gets over 20 000 hits on Google.) Given this high profile, it seems worthy of some theoretical examination.
The theory, so far as I can tell, is that it enhances the vaporisation of the fuel and so reduces the fraction that is wasted by escaping unburnt out of the exhaust or past the piston rings. While I have no specific knowledge of the effect of acetone on fuel vaporisation, it is nonetheless very easy to demonstrate that it cannot give a useful benefit via this mechanism. It is very well known that the vaporisation of fuel in a modern engine under normal operating conditions is already very good, and only about 1 - 2% of the input fuel escapes unburnt. Hence, whatever the properties of acetone, it is extremely hard to see how the economy benefit can be more than this relatively small amount.
Sterling Allan from Pure Energy Systems has done a lot of work on correlating results from people using acetone. I don't really agree with Sterling, but he certainly has his head screwed on a lot better than many of the people commenting in this field. Interestingly, Sterling reports that "typical" benefits are only 2 - 10%, and indeed his own carefully controlled testing ("Most Accurate Testing") showed no benefit at all. Given this, and the very large potential for errors in on-road measurements, it is not difficult to conclude that the "true" benefit may well be close to (or even exactly) zero, rather than the 30-plus percent frequently claimed.
Balanced against this fairly small potential benefit is the risk to engine components. Acetone is a powerful solvent that attacks many plastics, and while the majority of car components do seem to be resistant to it, such components are very rarely specifically designed or tested for acetone-resistance and so the theoretical risk is obvious. Those who have experimented with acetone say they have seen no problems, but without testing every plastic part of every vehicle, it's impossible to say for certain. Additionally, there may be specific risks to diesel engines - either due to acetone's tendency to mix with any water in the fuel (and then deposit that water, catastrophically, in the fuel pump), or since it may reduce the fuel's lubrication ability.
(quote from Tony's Guide to Fuel saving gadgets)
Recently, the idea of adding small quantities of Acetone to fuel (mostly petrol (gasoline), but diesel has also been mentioned) has attracted a lot of interest. (At the time of writing, "acetone gasoline mileage" gets over 20 000 hits on Google.) Given this high profile, it seems worthy of some theoretical examination.
The theory, so far as I can tell, is that it enhances the vaporisation of the fuel and so reduces the fraction that is wasted by escaping unburnt out of the exhaust or past the piston rings. While I have no specific knowledge of the effect of acetone on fuel vaporisation, it is nonetheless very easy to demonstrate that it cannot give a useful benefit via this mechanism. It is very well known that the vaporisation of fuel in a modern engine under normal operating conditions is already very good, and only about 1 - 2% of the input fuel escapes unburnt. Hence, whatever the properties of acetone, it is extremely hard to see how the economy benefit can be more than this relatively small amount.
Sterling Allan from Pure Energy Systems has done a lot of work on correlating results from people using acetone. I don't really agree with Sterling, but he certainly has his head screwed on a lot better than many of the people commenting in this field. Interestingly, Sterling reports that "typical" benefits are only 2 - 10%, and indeed his own carefully controlled testing ("Most Accurate Testing") showed no benefit at all. Given this, and the very large potential for errors in on-road measurements, it is not difficult to conclude that the "true" benefit may well be close to (or even exactly) zero, rather than the 30-plus percent frequently claimed.
Balanced against this fairly small potential benefit is the risk to engine components. Acetone is a powerful solvent that attacks many plastics, and while the majority of car components do seem to be resistant to it, such components are very rarely specifically designed or tested for acetone-resistance and so the theoretical risk is obvious. Those who have experimented with acetone say they have seen no problems, but without testing every plastic part of every vehicle, it's impossible to say for certain. Additionally, there may be specific risks to diesel engines - either due to acetone's tendency to mix with any water in the fuel (and then deposit that water, catastrophically, in the fuel pump), or since it may reduce the fuel's lubrication ability.
(quote from Tony's Guide to Fuel saving gadgets)
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If you want to vaporize your gas in a safe manner, try this:
http://www.preignitioncc.com/wjessee/
http://www.preignitioncc.com/wjessee/
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