1973 - 1979 F-100 & Larger F-Series TrucksDiscuss the Dentsides Ford Truck
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Your 235/75R15 is less than 29" tall, so there is going to be about a 2" diff. in tire height. Your speedo reading of 65MPH will actually be about 69MPH, without being re-calibrated. Your mileage will depend on your gearing, because that will be affected. A 265/75R15 is virtually the same size as a 31/10.50 -R15, and will give you more tire choices. I agree, the bigger tires do look better.
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I've had 31x10.50 for almost 7 years and have never had a problem with them. They have good traction and do fine on or off road. I am, however, going to get 33x12.50 in the near future. My tires are cooper discoverer by the way.
Thanks for the input guys. I had a kid in a Jeep with 31/10.50s hit me once right after a rain and he tried to pass it off as the tires fault. Been shy of them ever since. He hit me so hard, he cut my bumper in two!
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Named by my son Ethan
1976 Ford F-150 AWD
360 2V Automatic
That would be driver error, not tire fault. The only way I could see it as tire fault is if they were bald tires or flat. A 31X10.50 is not that big of a tire.I had a Wrangler with 32X11.50's and it stopped fine. Heck the Rubicon's come stock with a metric tire that is pretty much a 32" tire.
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