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Thread: 2018 6.7 powerstroke on 40" can i calibrate speedometer

  1. #1

    2018 6.7 powerstroke on 40" can i calibrate speedometer

    Hi

    can the Speedoometer be recalibrate for bigger tires 40Inch in the 2018 Ford F350 6.7 powerstroke, i now the TCM can be calibrated but i think the speedometer is another thing ?


    thanks
    Baering

  2. #2
    Tuner in Training
    Join Date
    Feb 2012
    Posts
    16
    I have the exact same question. I have tried but it doesn't work. I emailed tech support.

  3. #3
    Tuner in Training
    Join Date
    Nov 2014
    Posts
    42
    There ever a solution to this? I’m on 37s and at highway speed still 5-6mph off still.

  4. #4
    Tuner in Training
    Join Date
    Aug 2016
    Posts
    41
    same here, waiting for a solution