Article of Fuel Mileage--Add Acetone, get better mileage

[Northern707]

I've been doing this lately and it really does seem to increase my mileage. I haven't recorded any hard numbers or anything, but it seems to work.

http://www.lubedev.com/smartgas/

 

[Lunee]

I've heard the same thing but I read that you have to be careful not to add too much because it can eat away at rubber engine parts.

Also gotta be careful not to get it on the paint.