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Thread: trying to hold first gear

  1. #1
    Tuner in Training
    Join Date
    May 2014
    Posts
    19

    trying to hold first gear

    I have a 2005 Silverado 2500 that i sled pull with. Im having problems with it hitting 7200 and shifting to second gear. i have it 256 out and the 8129. what else could be going on?

    final pulling 2 knock off.hpt

  2. #2
    Tuner in Training
    Join Date
    May 2014
    Posts
    19
    will the D1 tables help this?