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Thread: 3000 stall NAG1 - share your experience

  1. #1
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    3000 stall NAG1 - share your experience

    Gentlemen

    i have a customers vehicle which has 3000 stall in it

    the car is 2013 Charger SRT8 cammed, what would you change in transmission tables ?

    i was looking for lockup's tables but i couldn't find them

    BR

  2. #2
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    upp

  3. #3
    Senior Tuner Russ K's Avatar
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    https://www.hptuners.com/forum/showt...ng-fast-enough. And set the TCC desired slip to 0 rpm's & disable the lock up until 5th gear.

    Russ Kemp

  4. #4
    Advanced Tuner uarperformance's Avatar
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    is this torque convertor apply speed in like an 08 Jeep

  5. #5
    Tuner Pector55's Avatar
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    Quote Originally Posted by Russ K View Post
    https://www.hptuners.com/forum/showt...ng-fast-enough. And set the TCC desired slip to 0 rpm's & disable the lock up until 5th gear.

    Russ Kemp
    ^^^ I can confirm that worked. Just removing the TCC lockup in 1st and 2nd, combined with the shifts (combined with engine side tuning) got me 1.62 60fts in an NA 5.7.
    2013 Dodge Challenger RT Plus - Shaker

  6. #6
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    Quote Originally Posted by Russ K View Post
    https://www.hptuners.com/forum/showt...ng-fast-enough. And set the TCC desired slip to 0 rpm's & disable the lock up until 5th gear.

    Russ Kemp
    Russ,

    I am working through some transmission tuning myself. We're making gobs of power and I'm concerned with what unlocking the TC for too long will do. It is definitely coming out slow due to early lockup which I am going to remedy with some lockup removal down low. I'm just wondering what we'll be able to accomplish keeping it unlocked longer.

    Setup:
    08 Jeep SRT
    94mm Precision XPR
    420ci stroker
    ~32psi / 1500+ whp
    Still AWD

    Any insight is greatly appreciated!

  7. #7
    Has anyone has ever been able to totally disable TTC lock up under WOT conditions?

    No combination of TCC tuning that I could come up with would ever disable WOT TCC lockup in my 2006 SRT8 300.
    2006 Chrysler 300C SRT-8
    JBA 3" stainless catless mid pipes
    3" Flowmaster American Thunder stainless cat-back
    Injen CAI
    Innovate dual WBO2 sensor kit
    Custom tuning by me via HPT

  8. #8
    Tuner in Training
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    Quote Originally Posted by Russ K View Post
    https://www.hptuners.com/forum/showt...ng-fast-enough. And set the TCC desired slip to 0 rpm's & disable the lock up until 5th gear.

    Russ Kemp
    Good advice. This was a tremendous help to me. Thanks Russ. I have a 3800 FTI converter with a str of 2.0. I was having issues with the rpms falling low enough upon lockup that my car would surge a bit. Raised the shift points for each gear, zeroed out the TCC slip and disabled lockup until 5th gear and my car runs much much better.

  9. #9
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    So how's everyone's trans temps doing leaving the converter unlocked? And sorry, not sure I follow setting the desired slip to 0 if you leave the convertor unlocked anyways? The slip rpm is with the TCC locked up.

    There must be a huge power drain leaving the convertor unlocked the entire time, similar to the TH400 that mops up 20%+ of power through a non-locking convertor. Sure it helps mask all the underlying bad tuning and harsh valve body characteristics, but not sure it should be the end all be all for every A580 setup out there?

  10. #10
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    I have a Pro-torque 3200 stall in my Jeep, I set all the desired slip cells to 0 since a lot of aftermarket torque converter lockup clutches aren't good at slipping (much more aggressive gripping characteristics). But I don't leave it unlocked at all. Still locks at the same RPM/load points as stock. Drives great, and I agree that leaving it unlocked wastes a lot of power.

    I played around with leaving it unlocked once just to see what it was like, and the fluid temp got hot, FAST!

  11. #11
    I agree. I have a protorque 2800 I my car is undriveable with the convertor unlocked in 1 and 2.

  12. #12
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    What settings do i need to change to allow the converter to fully lock in second? I have first set at the max in the apply table, so for second to fully lock should i set it to 0?

  13. #13
    Tuner in Training
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    useful thread ..

    now i got a 3800 fti tc .. should i zero out the tables of tcc desired slip only ? in normal and sport tables all ?
    car is 300c srt8 2007