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Thread: BF Typhoon RPM hold on gear shift

  1. #1
    Tuner in Training
    Join Date
    Jul 2015
    Posts
    12

    BF Typhoon RPM hold on gear shift

    So what i've done is convert me F6 to a t56 manual using a complete conversion. Turned the auto feature off on the trans section. My problem is when changing gears the rpm holds for a second the drops back, very annoying while doing normal driving. Is there a throttle decay delay feature i'm missing here?

  2. #2
    Advanced Tuner
    Join Date
    Apr 2014
    Posts
    360
    try using the idle settings from a manual tune.

  3. #3
    Advanced Tuner
    Join Date
    Jul 2009
    Posts
    326
    A bit of throttle hang is not unusual on a manual. Dashpot and decel spark advance are worth a mention.

  4. #4
    Potential Tuner
    Join Date
    May 2019
    Location
    Queensland
    Posts
    1
    Just had this very issue after first converting my sons BF dedicated gas auto ute to petrol, then 2 weeks later to manual. I set all of the values in the " Idle dashpot decay vs Dashpot airflow" to 5.0 and changed the values in "Idle dashpot pre-position vs RPM in the 3000-4000 rpm range from 14.1 to 7.1, Testing after reflash = no more throttle hang on gear change.