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Fuel Milage
I have a superchip tunner on my 99 f250 with 130k mil. and i was wondering some cheep, and i mean cheap ways to get better fuel milage on it? Also, what is the best setting to put my programer at to get the best milage, tow safe, performance mode...?- Boofer bob
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- Forum: 99+ 7.3L PowerStroke Engine & Drivetrain
