you can increase some mileage by adding 2 ounces of acetone per 10 gallons of GASOLINE not diesel. i have been trying this for 2 tanks now & i have gotten about 1 1/2 mpg extra. i also have a fitch fuel catalyst system on my xj & it added about 2 or so mpg.


93 xj stroked 4.2 w/4.0 head avenger supercharged 6.5" long arm 35" buckshots rubicon 44's front & rear