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Power Strokes
6.7 Aftermarket
Anyone running Gearhead Tunes?
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[QUOTE="WHY NOT, post: 953391, member: 1397"] I just filled up my truck yesterday and got a hand calculated 14.2mpg avg, with the H&S tunes I am normally about 13.5 or so. This is with a bunch of short trips 1-2 trips of about 40 miles or more, pulling my trailer, idling quite a bit on the cooler days etc etc. I would consider it an improvement of what I have been getting with the canned tunes. [/QUOTE]
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