I posted to the SuperDuty thread about correcting the speedo for larger tires: http://www.ford-trucks.com/forums/65...ger-tires.html
but I can't seem to find a Ford dealer in San Diego that knows how to recalibrate the PCM for larger than OEM tire sizes. I tried Kearny Mesa Ford and Drew Ford, both in San Diego. First they said "no problem" then after several hours of trying they said "can't be done." Can anyone recommend a dealer in or near San Diego that can perform such a service? Thanks!
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