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Forum: 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87)

6L80E, 6T40E, etc transmission tuning, incl T43 & T76 TCM. Not Allison.

    • Replies: 0
    • Views: 1,690
    September 3rd, 2021 Go to last post
  1. 3.7 diff gears shift speeds

    Started by JCA, May 12th, 2021
    • Replies: 0
    • Views: 2,192
    May 12th, 2021 Go to last post
    • Replies: 3
    • Views: 4,219
    April 29th, 2021 Go to last post
  2. Stock 6L90 tune needed

    Started by izaks, August 4th, 2017
    • Replies: 5
    • Views: 3,826
    April 25th, 2021 Go to last post
  3. T87 CAN Protocol for 8L90 control?

    Started by 1BadAction, March 1st, 2018
    2 Pages
    1 2
    • Replies: 10
    • Views: 9,138
    March 14th, 2021 Go to last post
    • Replies: 6
    • Views: 2,575
    March 11th, 2021 Go to last post
  4. 6L90E shuddering when converter locked and under load

    Started by Jim_PA, January 21st, 2015
    2 Pages
    1 2
    • Replies: 15
    • Views: 11,163
    March 10th, 2021 Go to last post
    • Replies: 18
    • Views: 10,446
    March 10th, 2021 Go to last post
    • Replies: 0
    • Views: 1,799
    October 11th, 2020 Go to last post
  5. Need Stock Tune for T87 OS# 24281915

    Started by TorqueMonster007, August 10th, 2020
    • Replies: 1
    • Views: 2,065
    September 26th, 2020 Go to last post
  6. TCC lockup for 6th only?

    Started by derkscustomcars, July 21st, 2020
    • Replies: 6
    • Views: 3,675
    September 2nd, 2020 Go to last post
    • Replies: 27
    • Views: 9,921
    August 31st, 2020 Go to last post
  7. Question on Full Flashing T87

    Started by TorqueMonster007, August 11th, 2020
    • Replies: 1
    • Views: 1,813
    August 12th, 2020 Go to last post
    • Replies: 7
    • Views: 6,337
    July 24th, 2020 Go to last post
  8. 24239353 OS from a Pickup Needed

    Started by 02CCSB, October 5th, 2017
    • Replies: 1
    • Views: 2,475
    June 18th, 2020 Go to last post
  9. In need of stock 2016 t87 file

    Started by Andyb756, May 10th, 2020
    • Replies: 0
    • Views: 1,833
    May 10th, 2020 Go to last post
  10. 4l80e to six speed (cda009)

    Started by Joemmahaffey1, April 1st, 2020
    2 Pages
    1 2
    • Replies: 17
    • Views: 7,429
    April 29th, 2020 Go to last post
  11. Ive got P0700 amd P182E problems

    Started by Hooter, December 7th, 2019
    • Replies: 3
    • Views: 3,917
    April 21st, 2020 Go to last post
  12. T43 Acadia Transmission Tuning for TCC locking and Unlocking

    Started by ZigBlazer, March 28th, 2020
    2 Pages
    1 2
    • Replies: 12
    • Views: 5,835
    April 7th, 2020 Go to last post
  13. 8L90 shift/shudder problems

    Started by Telco, April 5th, 2020
    • Replies: 0
    • Views: 1,746
    April 5th, 2020 Go to last post

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