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Speedometer Calibration
I have a 2018 RAM 2500 Tradesman Diesel 4x4, Manual Transmission w/P285/70/R17 tires & stock (3.42:1) rear end. These tires are 7.0% bigger than factory original. Consequently, I have a speedometer/odometer error. I have been using a Hypertech calibrator to reset the tire size. The people at...- RetNavyCPO
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- Forum: 4th Generation Ram HD General Discussion