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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: 6L80 Reference Material

    Started by joecar, February 21st, 2014
    2 Pages
    1 2
    • Replies: 15
    • Views: 10,446
    July 9th, 2018 Go to last post
  2. Sticky Thread Sticky: DIfferent T43 question, can't change OS?

    Started by 02CCSB, January 19th, 2016
    2 Pages
    1 2
    • Replies: 14
    • Views: 6,448
    December 11th, 2016 Go to last post
  3. Sticky Thread Sticky: Improving shifts via the ECM

    Started by GMPX, March 11th, 2012
    15 Pages
    1 2 3 ... 15
    • Replies: 147
    • Views: 63,459
    July 25th, 2016 Go to last post
  4. Sticky Thread Sticky: T43/E38 6L90 Shift points change

    Started by 55chevdelray, May 20th, 2013
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 14,715
    October 8th, 2015 Go to last post
  1. T87 TCC desired slip

    Started by Eng.LSX, 2 Days Ago
    • Replies: 1
    • Views: 37
    2 Days Ago Go to last post
  2. 8 Speed T87 compatibility

    Started by LS-SWAPPER, 2 Weeks Ago
    • Replies: 8
    • Views: 269
    2 Weeks Ago Go to last post
  3. 6L90 to 6L80 Express VAN 8.1L E38 2013

    Started by gerbot_4000, September 3rd, 2018
    • Replies: 3
    • Views: 183
    September 3rd, 2018 Go to last post
    • Replies: 1
    • Views: 276
    July 26th, 2018 Go to last post
  4. T87 CAN Protocol for 8L90 control?

    Started by 1BadAction, March 1st, 2018
    • Replies: 9
    • Views: 701
    July 26th, 2018 Go to last post
  5. t43 tap u/down in standalone

    Started by proflash, May 30th, 2018
    • Replies: 0
    • Views: 247
    May 30th, 2018 Go to last post
  6. 2015 Tahoe change rear gear ratio

    Started by Telco, April 22nd, 2018
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,081
    May 13th, 2018 Go to last post
  7. 2016 gmc denali 6.2l di a8 tuning -

    Started by GR8GAME, March 11th, 2018
    2 Pages
    1 2
    • Replies: 10
    • Views: 932
    April 21st, 2018 Go to last post
  8. E38 T43 TUTD final request

    Started by RuraBrute, February 12th, 2018
    • Replies: 4
    • Views: 559
    March 22nd, 2018 Go to last post
  9. 6l80 Tap Shift

    Started by koryenger, June 26th, 2017
    • Replies: 4
    • Views: 630
    February 10th, 2018 Go to last post
  10. Jeep TJ Brute LS3 E38-T35 6L80e

    Started by RuraBrute, February 4th, 2018
    • Replies: 3
    • Views: 280
    February 7th, 2018 Go to last post
    • Replies: 6
    • Views: 485
    February 1st, 2018 Go to last post
    • Replies: 1
    • Views: 263
    January 30th, 2018 Go to last post
  11. Surging TCC Lockup - Table request

    Started by Tre-Cool, October 25th, 2015
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,900
    December 12th, 2017 Go to last post
  12. After a 2011 t43 vette tune / 6l80e troubles

    Started by vassis, October 6th, 2013
    • Replies: 8
    • Views: 3,495
    December 11th, 2017 Go to last post
  13. Question 2015.5 GM 8l90e T87 controller R&D help

    Started by Dr. Oldsmobile, December 2nd, 2017
    8l90e, mondello, oldsmobile, t87
    • Replies: 2
    • Views: 533
    December 4th, 2017 Go to last post
  14. 6.2 ctsv lsa swap transmission problem

    Started by garciam8914, November 27th, 2017
    • Replies: 0
    • Views: 323
    November 27th, 2017 Go to last post
  15. TCM vs ECMOS compatability

    Started by jrad12381, August 3rd, 2016
    • Replies: 3
    • Views: 1,493
    October 30th, 2017 Go to last post
  16. 6l80e code p01825

    Started by JCA, October 19th, 2017
    • Replies: 2
    • Views: 386
    October 20th, 2017 Go to last post
  17. Anyone have a good tune for 8 speed gas?

    Started by Abesstorage, October 17th, 2017
    • Replies: 1
    • Views: 486
    October 18th, 2017 Go to last post

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