Quote:
Originally Posted by bigcountry61
Julian, which one of the KEM/Spartan tunes are you seeing best fuel mileage?
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Well I saw the best mileage with the 125-50HP, I did the 200HP when I put the 6 35" tires on and my mileage has been the same.....so I'd assume if the truck was stock the 200HP tune, Matt also said at 80MPH on the highway was getting 20+MPG