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Power Strokes
6.7 Aftermarket
Gas Mileage...Post'm up
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[QUOTE="Randy_270, post: 722817, member: 11582"] Just joined powerstroke army, so here are my numbers. Stock I got 12-13 city, 15-16 with city/highway mixed, 17-19 straight highway. Now I get 15-16 city, 18-19 city/highway mixed and 20-22 straight highway. Towing is about 10-12 mpg no matter what, I always seem to have a headwind when towing... This was on stock 275/70r18 Goodyear Duratracs. Just had 325/65r18 Goodyear Duratracs installed so I have to wait and see what I get now. [/QUOTE]
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