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Thread: T93 Transmission tuning Allison A10

  1. #1
    Tuner in Training
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    Mar 2019
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    T93 Transmission tuning Allison A10

    So I have some questions regarding these transmissions. Pardon my ignorance here. What is the FW and LK parts of the shift inertia? These transmissions seem to have some very interesting logic again that is mainly correlated to the ecm engine tq request side of things.

    It also looks like desired shift time and tq request need to be inverse of each other. But there seems to be some math here to convert these two? Mainly looking at the inertia initial transition time?

    Any help would be great here. Definitely different from the 8L90 stuff and older. Have not really messed with the newer 10 speed stuff but better being safe than sorry!

  2. #2
    Senior Tuner TheMechanic's Avatar
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    Can you post your tune?

  3. #3
    Tuner in Training
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    Mar 2019
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    Quote Originally Posted by TheMechanic View Post
    Can you post your tune?
    Here is the base I have started with. I have modified any of the torque values or done anything else yet. I am adjusting as I start to learn more about this transmission. I am also waiting to log the stock trans tune.

    wilde_DAS_T93-V1.0.hpt