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Old 11-21-2009, 09:17 AM   #18 (permalink)
beaterjeep
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Join Date: Nov 2009
Location: Ohio
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beaterjeep - '93 Jeep Grand Cherokee Laredo
90 day: 14.96 mpg (US)
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I use Acetone on a pretty regular basis. About 3 oz per 10 gallon ratio. I think that it absorbs moisture similar to iso-heet and possibly increases octane. I experimented with it on a vacation in my wife's car and we consistantly got 3 mpg better with Acetone than without. It's cheap too $15 for a gallon breaks down to about 50 cents per tank.
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