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  1. Harley Davidson Edition F150
    So I have a 2003 f150, ported supercharger, pullies, tune. Truck ran awesome for a while on around 15-16 lbs of boost. Ever since about 2 months ago, it started not letting me go about 3-4,000 RPMs. The engine started stuttering like crazy. The boost gauge twitches like crazy, but it does seem...
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