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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.

  1. Sticky Thread Sticky: Improving shifts via the ECM

    Started by GMPX, March 11th, 2012
    16 Pages
    1 2 3 ... 16
    • Replies: 153
    • Views: 198,010
    July 1st, 2022 Go to last post
  2. Sticky Thread Sticky: 6L80 Reference Material

    Started by joecar, February 21st, 2014
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 48,982
    March 31st, 2021 Go to last post
  3. Sticky Thread Sticky: T43/E38 6L90 Shift points change

    Started by 55chevdelray, May 20th, 2013
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 60,799
    September 16th, 2020 Go to last post
  4. Sticky Thread Sticky: DIfferent T43 question, can't change OS?

    Started by 02CCSB, January 19th, 2016
    2 Pages
    1 2
    • Replies: 14
    • Views: 31,234
    December 11th, 2016 Go to last post
  1. l98 6l80e conversion help

    Started by JCA, February 27th, 2024
    • Replies: 3
    • Views: 550
    February 28th, 2024 Go to last post
  2. 6l80e help with TUTD holding gear

    Started by wallyman424, February 25th, 2024
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,295
    February 28th, 2024 Go to last post
    • Replies: 4
    • Views: 3,480
    February 19th, 2024 Go to last post
  3. 2011 t43 6l80 file

    Started by Sass5150, January 26th, 2024
    • Replies: 0
    • Views: 417
    January 26th, 2024 Go to last post
  4. T43 to E67 Comms

    Started by oondy, December 16th, 2023
    • Replies: 0
    • Views: 594
    December 16th, 2023 Go to last post
  5. 6L80E T43 Link.ini

    Started by RC1, November 18th, 2023
    • Replies: 0
    • Views: 668
    November 18th, 2023 Go to last post
  6. Weird shift flare T76

    Started by pinstripebob, July 3rd, 2023
    • Replies: 2
    • Views: 1,641
    July 5th, 2023 Go to last post
  7. 2015-2019 HD 6l90e manual mode tuning

    Started by jakej03, June 10th, 2023
    • Replies: 3
    • Views: 1,502
    June 22nd, 2023 Go to last post
  8. ve ss reducing power

    Started by turbo, November 5th, 2022
    • Replies: 3
    • Views: 2,991
    November 14th, 2022 Go to last post
  9. 2800 stall converter 6L80e

    Started by turbo, October 28th, 2022
    • Replies: 2
    • Views: 2,053
    November 5th, 2022 Go to last post
  10. Please share any T43 24264923 OS

    Started by jakezed22, September 24th, 2022
    • Replies: 0
    • Views: 1,187
    September 24th, 2022 Go to last post
  11. Unhappy 6th getting locked out at high speed!

    Started by trailermasher, April 18th, 2010
    5 Pages
    1 2 3 ... 5
    • Replies: 48
    • Views: 37,564
    August 20th, 2022 Go to last post
    • Replies: 3
    • Views: 2,225
    August 19th, 2022 Go to last post
  12. Torque Coefficent Table on E86B

    Started by jakezed22, July 6th, 2022
    • Replies: 0
    • Views: 1,128
    July 6th, 2022 Go to last post
  13. 6l80E TECHM REPLACEMENT PROCESS

    Started by jmsmotorsport, January 14th, 2022
    • Replies: 8
    • Views: 3,606
    January 27th, 2022 Go to last post
  14. Need some help with a T87

    Started by blackdog76, November 30th, 2021
    • Replies: 2
    • Views: 2,897
    December 1st, 2021 Go to last post
  15. 6l80e tuning question

    Started by Veturius, November 14th, 2021
    4l60e, 6 speed, 6l80e, swap, trailblazer
    • Replies: 0
    • Views: 1,951
    November 14th, 2021 Go to last post
  16. 2017 T43 cal file

    Started by greasess, October 16th, 2021
    • Replies: 4
    • Views: 2,505
    October 18th, 2021 Go to last post
  17. TCCSLIP clarification

    Started by PLohr, September 30th, 2021
    • Replies: 1
    • Views: 1,935
    October 5th, 2021 Go to last post
  18. Need to verify stock tune for new TCM

    Started by TorqueMonster007, September 3rd, 2021
    • Replies: 2
    • Views: 2,451
    September 7th, 2021 Go to last post

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