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Thread: GT & GTP PCM differences??

  1. #1
    Tuner in Training skalor's Avatar
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    GT & GTP PCM differences??

    Are there differences between GT and GTP PCM of the same year, specifically '99. Basically, what I want to know is if I can reprogram a '99 GT PCM into a '99 GTP PCM??
    '89 Olds Cutlass Ciera International Coupe - '99 L67 minus the M90 plus a 60-1

  2. #2
    HP Tuners Owner Keith@HPTuners's Avatar
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    The PCM hardware is the same and can be reprogrammed for either.
    We got this guy Not Sure, ...