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Thread: 4L60 to 4L80 swap

  1. #1

    Angry HELP!! 4L60 to 4L80 swap

    Need help dialing in tcc lockup and shift points. Also tcc is not unlocking when letting off gas or applying brakes until very low speed. Any help would be appreciated im by no means a pro tuner.

    Here is my current tune
    best 2002 6.0 4L80E stock tune no prndl no vats.hpt
    Last edited by Mckimmey1@gmail.com; 5 Days Ago at 06:24 PM.