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Thread: 5.7 vortec 4l60e to 4l80e transmission swap

  1. 07-26-2023 #1
    454hemi
    454hemi is offline
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    Smile 5.7 vortec 4l60e to 4l80e transmission swap

    Hi All,

    I' v got 5.7 vortec with its factrory pcm which was pulled from 96 tahoe with 4l60e. Do I need to reprogram this PCM to run it with 4l80e trans ?
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  2. 07-26-2023 #2
    Alvin
    Alvin is offline
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    I would think you should be able to find a file but I do not know that for sure.

    If you can't find another solution. I sell a 4l60 to 4l80 swap harness that requires no OS swaps,segment swaps,etc. other than for the different shiftpoints/gearing that a 4l80 has.
    Tuner at PCMofnc.com
    Email tuning!!!, Mail order, Dyno tuning, Performance Parts, Electric Fan Kits, 4l80e swap harnesses, 6l80 -> 4l80e conversion harnesses, Installs
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