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by Vale5799
Sun Oct 27, 2019 10:52 pm
Forum: Beta testing
Topic: Setting arbitrary tire sizes for speedometer calibration
Replies: 89
Views: 90572

Re: Setting arbitrary tire sizes for speedometer calibration

I am trying to correct the speedo on my 2019 F150 5.0. I have changed the rims and tyres but apart from being wider they are equal the the factory size (orignals 275/55/20 now 305/55/20). I used the settings from the calculator spread sheet but I still have an error. Any suggestions on how to resolv...