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Thread: Flair/slip in 6th

  1. #1

    Flair/slip in 6th

    In 6th gear, if I give the car about 30% throttle at about 1500rpm the rpms look like they flair/slip or something is disengaging and then engaging again.
    But if I do the same thing at 2000rpm there are no problems.
    I have tried to increase TCC desired pressure and it does not help.
    This is the tune Tune (9).hpt

  2. #2
    Senior Tuner
    Join Date
    Jul 2020
    Location
    VIC Australia
    Posts
    1,131
    Need a log to bro.

    Make sure it has tcc slip, trans slip, tcc pressure, pcs1 pressure, trans engine torque. Right click those channels and set polling to 10Hz

  3. #3
    Here is the log. Recent log for 6th.hpl
    The thing I'm talking about occurs toward the end of the log.

  4. #4
    Senior Tuner
    Join Date
    Jul 2020
    Location
    VIC Australia
    Posts
    1,131
    Its not letting me save your file.
    I would set the adapt max back to 600Nm
    Take a bit off your apply ramp (that will help with the oscillations)
    And make desired pressure more aggressive.

    Couple of screen shots of where you need to adjust. Also included your lockup vs mine so you know what you're looking for.

    Screenshot 2022-07-29 084647.pngScreenshot 2022-07-29 084508.pngScreenshot 2022-07-29 084142.pngScreenshot 2022-07-29 084124.pngScreenshot 2022-07-29 084102.png

  5. #5
    Ok I used your settings and made those changes and it fixed the problem, thank you.