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Thread: Solution found.... idle dip when coming to a stop after mods...

  1. #1
    Advanced Tuner
    Join Date
    Jun 2011
    Location
    Montreal, Canada
    Posts
    758

    Solution found.... idle dip when coming to a stop after mods...

    I am very happy to say I have finally found the cause of my problem. My car has been running great except every time I would come to a stop in drive, the idle would dip once and then recover quickly, but it drove me nuts. I played with airflow tables, idle timing and coastdown timing to no avail.
    This morning I turned off CT downshift in the torque management section and voila.............. perfect.

    Just posting up in case anyone else has this issue.
    2007 Corvette C6 Vert. A6
    LME LS402, Pat G custom cam, ATI 10% OD Damper
    Circle D triple disc 2600, 3.42 Diff
    YSI, 3.0 pulley, ID 1000's
    Alky Control Meth,
    ARH 1 7/8 headers,
    1009 RWHP @ 7000, 817 RWT @ 6000

  2. #2
    Tuner 4evervette's Avatar
    Join Date
    Jan 2008
    Location
    dyno room
    Posts
    169
    Thanks for shearing this ...
    specialize in: V8 Conversion & Tuning (UAE- DUBAI)
    supercharge installation
    Salah clutches for Nissan, Toyota and GM car

  3. #3
    Tuner in Training
    Join Date
    Jun 2012
    Posts
    28
    what is the ct downshift table for?

  4. #4
    Advanced Tuner
    Join Date
    Jun 2011
    Location
    Montreal, Canada
    Posts
    758
    Closed throttle downshifts...... torque management .. as far as I can figure it is just to soften the downshifts.
    2007 Corvette C6 Vert. A6
    LME LS402, Pat G custom cam, ATI 10% OD Damper
    Circle D triple disc 2600, 3.42 Diff
    YSI, 3.0 pulley, ID 1000's
    Alky Control Meth,
    ARH 1 7/8 headers,
    1009 RWHP @ 7000, 817 RWT @ 6000

  5. #5
    Potential Tuner
    Join Date
    Feb 2012
    Location
    Dallas, TX
    Posts
    6
    This problem has been driving me nuts. I am going to try this after work.
    Supercharged G8 GXP

  6. #6
    Potential Tuner
    Join Date
    Feb 2012
    Location
    Dallas, TX
    Posts
    6
    By the way, this worked for me too. it also solved my car's over aggressive shifts when trying to drive slowly in heavy traffic. I have a built 6l80e.

  7. #7
    Where exactly is that table? And what did you do, zero it all out?

  8. #8
    Tuner blkscooby's Avatar
    Join Date
    Aug 2010
    Location
    Mesa, AZ
    Posts
    81
    It is a simple switch in Trans Tq Mgmt

  9. #9
    Potential Tuner
    Join Date
    Feb 2012
    Location
    Dallas, TX
    Posts
    6
    I turned off CT Downshift on the Tip-In TqMgt, Flare Management, & Torque Reduction switches. All three had to be set to none, or disable, on my car.
    Supercharged G8 GXP