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Power Strokes
6.7 Tech
gear ratios
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[QUOTE="broncof250444, post: 445451, member: 1313"] I have 3.31's with 35" tires at about 73 mph im turning 1500 rpms, at around 100 mph im still under 2k rpms. I tow my gooseneck with are john deere tractor that total weight of deere and trailed is right at 38k lbs and i have no problem getting it moving, i can actually get out of the hole faster than my dads 6.4 with 3.73's. I average mid 17's around town and highway mid 19's and broke 20 a few times hand cal. Ford claims 3.31 gears holds the engine in peak torque at 70mph. ive never experienced losing power with the 35's i can still white smoke the tires taking off without power braking. [/QUOTE]
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