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Thread: 6L80, can i luanch in 2nd gear?

  1. #1
    Potential Tuner
    Join Date
    Mar 2010
    Location
    Melbourne, Australia
    Posts
    8

    6L80, can i luanch in 2nd gear?

    Hi all

    Can i take off in second gear with the 6L80? And how much power have people successfully put through these transmission?

    It's in a drag car with a 1000hp

  2. #2
    Advanced Tuner
    Join Date
    Dec 2007
    Posts
    776
    Quote Originally Posted by Elton View Post
    Hi all

    Can i take off in second gear with the 6L80? And how much power have people successfully put through these transmission?

    It's in a drag car with a 1000hp
    Yes by using tap up tap down you can select whichever gear you want for take off.

    Depends on what convertor, rear and tires you have as to how long it lasts, and whether it has been "built" or is a stocker. Circle D has a good vid on youtube re the major weak points.

  3. #3
    Quote Originally Posted by Elton View Post
    Hi all

    Can i take off in second gear with the 6L80? And how much power have people successfully put through these transmission?

    It's in a drag car with a 1000hp
    i have been running 550+rwhp(mustang dyno). so far so good with quite a few runs on it. hit 635rwhp on the dyno and it sliped a little mid run. i am logging actual line pressure and at the top of 3rd gear and the top of 4th gear i am only seeing 80psi.
    2017 camaro ss a8 with low mount twins