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Thread: Switching from 4l80 to 4l60 need info

  1. #1
    Potential Tuner
    Join Date
    Oct 2014
    Posts
    8

    Question Switching from 4l80 to 4l60 need info

    I have a swap I'm in progress of completing my tune on, I have a 6.0 with factory Pcm that I have put in my gbody mc with a 4l60e, my pcm is programmed with the 4l80e. I see where I can change the option to 4l60e, but what other changes are needed in order to have correct shift points.I have also switched the gear ratio and tire size. Any and all info is appreciated.Thx in advance
    Last edited by gbls1mc; 10-09-2014 at 10:30 PM.

  2. #2
    Senior Tuner
    Join Date
    Sep 2008
    Posts
    1,668
    Upload the original file you have (not the one you modified). Then it'll be easier for someone to advise you on a way to do a segment swap instead.
    2010 Camaro SS M6. Stock Bottom End, Heads/Cam/Intake/Headers/Exhaust.
    2005 Silverado RCSB. Forged 370 LQ9/Borg-Forced Inductions T6 S484/Jake's Stage 4 4L80E with D3 Brake/4WD.
    2023 Durango Hellcat