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Thread: Gm ls controller, trans controller recommendation

  1. #1

    Gm ls controller, trans controller recommendation

    Friend of mine is running the gm ls controller 19201327 on his 70 Chevelle with a l92 6.2, ls3 camaro intake with ls7 cam and the stock th400 transmission. He wants to build a 4l65e or run a 4l80e for the overdrive now, is there a way for the gm ls controller to talk to the Tcm in either of these? Otherwise he's been looking at the tci stand alone controller. Not much info online but it seams gm has their own stand alone controller they recommend with their ls3 crate engine. A t56 would be ideal but the cost is too much by the time you get everything

  2. #2
    Senior Tuner
    Join Date
    Sep 2008
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    1,668
    That controller is an E67, so you should be able to use it with a TCM, but depending on the OS in it, it may not want to play with the T42 that can run the 4 speed auto. You might need to find a compatible vehicle to reflash the controller with first in order to have an OS that can talk to the T42.
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