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Old 01-29-2014, 02:14 PM
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Max Tire Diameter?

My f250 has a 4" BDS lift on it and I will need some new front tires soon. I am debating on replacing all four with bigger tires and I am currently sitting on 295/70R18 Nitto Terra Grapplers (Diameter of about 34.5") and they seem to have decent clearance. I was considering going to the Trail Grapplers... Any ideas if 37s would fit on a 4" lift?

I am also trying to keep my mpg in check and would rather not go with a larger tire and have a 2-3mpg drop by only going up 2.5" in diameter. Any feedback is appreciated and thanks in advance!
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Old 01-30-2014, 10:11 AM
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Currently running a set of trail grapplers, 37x12.50 on my rough country 4" lift. Only issue I had was rubbing the front valance (wasn't rubbing much at all, just took the bottom corner edge off it), and rubbing my leafs at full lock. But then again a lift kit from company X may sit at a different height than company Y. I also didn't notice much of a change in fuel mileage if any at all going from 35x12.50 to 37s.
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