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I just got bigger wheels put on my car? How do i program my car to know it has bigger wheels?

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And know my trip meters are off.

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  1. Calibrate the speedometer

    change the gearing - accommodate the bigger tires


  2. If it's a newer car you would recalibrate the PCM. If it's older and has a speedo cable you would need to change the speedo gear at the trans.
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