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2002 w/7.3, Superchip wanting to improve fuel economy
I just bought my "BIG Red" truck and it has a K&N intake kit and a Superchip, but wanted to check on any other economical mods to help. I heard someone say something about trimming hole behind the grill where air is forced in. Anybody? Economical is KEY.....- BigRed
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- Forum: 7.3L PowerStroke Power & Performance
