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Power Strokes
6.7 Aftermarket
custom tuning from kory willis
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[QUOTE="TrickTruck, post: 1220310, member: 6044"] I too have recently moved to Gearhead tunes. Was really expecting a MPG boost coming from the box H&S tunes. NOT. Does seem to run well. Butt dyno can't tell any difference. Haven't had it on a real Dyno. Trans shifting is not annoying or anything. Overall, I'd say the Gearhead tunes run just fine - no bad habits, but I was expecting some MPG increase and that hasn't happened. [/QUOTE]
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