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Thread: No Overdrive - BUT can Command it

  1. #1
    Potential Tuner
    Join Date
    Sep 2018
    Posts
    1

    No Overdrive - BUT can Command it

    I've read till I'm blue in the face. Any insight would be helpful.
    Tranny is very low mileage and drove fine. After cam install and 3600SS stall and trucool cooler it won't shift into OD (4th) by it self. I CAN command it with HP Tuners and it will shift into 4th and lock up and then drives great. Tune attached.

    1998 Corvette
    4L60
    3.42 Gears
    3600SS Stall
    Cam: 231/239 .629/.629 111 LSA
    TruCool tranny cooler