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Thread: Idle tuning help please e38

  1. #1
    Potential Tuner
    Join Date
    Mar 2015
    Posts
    7

    Idle tuning help please e38

    Trying to help a buddy with his ppv. I can tune gen 3s pretty good but this newer stuff is confusing. Car is a cammed 6.0 with full bolt ons and a 3400 stall. Car drives exellent, still need to dial in ltfts and a couple others things but other wise drives great. The issue is idling, coming to an idle and switching from neutral to r or d. Converter feels like its locked but its not, constantly stalls out.

    Any help is greatly appreciated Jason ppv now.hpt

  2. #2
    Tuner
    Join Date
    Mar 2010
    Location
    Goleta CA
    Posts
    122
    There is a great but long thread on E38 idle tuning.
    https://forum.hptuners.com/showthrea...e-tuning-guide

    I found it super helpful in tuning my LS7.
    Hib Halverson
    Just Another Tuner in Training.

  3. #3
    Senior Tuner
    Join Date
    Mar 2011
    Location
    Ripley, MS
    Posts
    1,865
    Here's a few things that will help you a lot.

    1. Switch it from blended mode to MAF only. To do this, change the Dynamic High RPM Disable to 400 and Reenable to 390.

    2 Increase the Min Airflow table by at least 20% more.

    3. Increase the Cranking Airflow table to at least 80 lb/hr.