dakota digital

  1. BMThiker

    Speedo correction

    I've been daily driving my FJC since July 2006. I've had larger tires on it since Nov 2006. I put bigger gears in the diffs a little bit later. But I've been relying on my ScanGauge II for an accurate speedometer reading all this time. I calibrated it between 6-7% depending on what my GPS...
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