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Thread: 8.1/Allison 2156 Bin needed

  1. #1
    Electronic Ignition!
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    Aug 2016
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    8.1/Allison 2156 Bin needed

    The one I found listed on here is DEFINITELY not a 2156 for the 8.1 and Allison combo, need one because this is the only OS I've found that has the right parameters defined to let me actually do something about the pesky traction control and torque management. If anyone has one, or the ability to make one, I'd appreciate it!

  2. #2
    Super Moderator dave w's Avatar
    Join Date
    Feb 2011
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    5,154
    If you have the correct VIN for the 2156 OS Vehicle, there is the option to purchase a file from TunerCats. http://www.tunercat.com/

    I've purchased several .cal files from TunerCats, maybe TunerCats would be willing to sell the .bin file as well?

    I've helped a few members by downloading a .cal file and posted back the .bin files.

    dave w

  3. #3
    Fuel Injected!
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    Apr 2012
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    Mt. Airy, MD
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    2003allison8.12500HDStock.cal0481lallison.cal

    try these. i got them out of federal govt trucks.

  4. #4
    Fuel Injected!
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    Sep 2012
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    Huntsville, AL
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    Unless you feel like spending $$$$ on hard parts in your transmission, be cautious about messing with torque management. Stock 4L60Es will live far longer with torque management, and the 6L80E I was just looking inside definitely was designed to take advantage of torque management.

  5. #5
    Fuel Injected!
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    Sep 2016
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    Fort Collins, Colorado
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    cgw,

    The two 8.1/Allison bins I have are a different OS. I could be wrong, but I'm not sure this combination ever came with a 8.1L/Allison trans with 2156 OS for 2002 in a 512K meg 12200411 PCM.

  6. #6
    Carb and Points!
    Join Date
    Feb 2021
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    Edmonton
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    hey CGW, i have two 8.1 tunes, neither is stock and both have been switched from allison to 4l80e, hope this helps,
    Last edited by 780ripper; 1 Week Ago at 01:49 AM.
    Live like you're on vacation

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