37x12.5x18r on a stock 2011 f150 fx4 5.0l

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12-28-2016, 07:14 AM

R3DN3CK11

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37x12.5x18r on a stock 2011 f150 fx4 5.0l

im wondering wether i will need to upgrade the gears to push 37x12.5x18 inch tires! Atm i have stock everything! i have lifted my truck 6" and have a bullydog gt tuner!

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12-28-2016, 02:49 PM

mossbum

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You don't HAVE to re-gear, but if you want that truck to drive anywhere close to stock again you will.

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02-20-2017, 07:49 AM

R3DN3CK11

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Seems to sluggish as all hell. Think im gonnago with a better ratio but cant decide between 4.10-4.56 im more interested in optimal gas mileage so i guess 4.10s are the way to go

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