Quote:
Originally Posted by flht99b
Am I the only one curious about the Lingenfelter claim that no speedometer correction is required with the AAM 3.70 and 3.91 gears in the LS3 6spd manual cars ?? Yet every mail order tuner on this site claims a "tune" is required for speedometer correction even on the LS3 6spd manual cars.
Ed M.
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I believe that is a mistake. I had their 3.70 gearset and the speedometer was off until my tuner reset it.