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  1. 07-20-2010 01:11 PM #4
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    You need to get an 80e overlay installed in the PCM or a 3/4t PCM with the 6L/80e tune already loaded in it, factory tune image with the VATS disabled. Many places like CarQuest can load a factory tune in your PCM. Go onto Ebay or Autotrader and find a VIN for a vehicle with the 6L/80e and have them load the tune for that vehicle. You could contact NelsonPerformance and they can overnight you a tuned pcm.
    Last edited by RedHeartbeat; 07-20-2010 at 01:14 PM.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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