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- Fri Jan 19, 2018 7:30 pm
- Forum: Beta testing
- Topic: Setting arbitrary tire sizes for speedometer calibration
- Replies: 78
- Views: 69797
is there a new spreadsheet to do this now or will i still have to do the math? i got a 2017 F150 that i have changed the tires from 275/55/20 to 285/60/20 and my mileage and speedometer is out. anyone have a fix for this?