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Thread: e78 PCM for standalone use (no trans)

  1. #1
    Tuner in Training
    Join Date
    Jun 2017
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    22

    e78 PCM for standalone use (no trans)

    I'm trying to tune a bone stock e78 6.0L truck engine to run with a older non-electronic transmission (700r4).

    Under the TRANS tab:
    I've left the "ECM Trans Type" to Auto. Not sure if I should set it to manual.
    I've set the "ECM Auto Trans Type" to Freewheel.
    I've also set the "VSS/OSS Location" to No sensor (there is no speed sensor feeding pcm).

    Under the Engine, Torque Management tab:
    I've changed the "Default Trans Limit" tables to 475 for safe measure.

    Is this all I need to do? Wanted to confirm before I attempt to fire it up.
    Thanks
    Last edited by beenba; 02-20-2019 at 03:55 PM.

  2. #2
    Tuner in Training DanSchafer93's Avatar
    Join Date
    Jul 2018
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    PNW
    Posts
    37
    you need to make sure that your VATS is disabled other wise the ECM will be looking for the BCM and the BCM is obviously missing so it cannot send the correct signal. I am running the same set up except in a truck with a nv4500 manual trans. I have a cold air intake and long tube headers but is otherwise stock. The tune I posted is my most recent. If you want my bone stock with just the VATS disabled let me know...
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