Quote:
Originally Posted by Pappy19
My 2008 F-250 supercab, shortbed with automatic and 4.10 rear gets 11-12 most days. Keeping the speed down will have the most effect on mileage.
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I wonder now if I had a 4:10 rear in that truck. No matter what I did, it got 12. I've heard that the newer 3 valve is supposed to do about 15 w a 3.73. Don't know how accurate that is though.
OMC
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Feb 03 6.0 Silver F-250 SD SC XLT long box, 6-spd 3.73ls, Fx4, Stock, Spray-in liner, Contico box.HARPOONED.
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