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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: 12,404
    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: 8,246
    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: 71,859
    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: 17,419
    October 8th, 2015 Go to last post
    • Replies: 8
    • Views: 2,330
    4 Weeks Ago Go to last post
  1. 8l90e tutd

    Started by Brads_rs, February 1st, 2019
    • Replies: 3
    • Views: 427
    March 18th, 2019 Go to last post
  2. 6L80E tuning question

    Started by ToonerSQUAD89, February 27th, 2019
    • Replies: 3
    • Views: 240
    March 12th, 2019 Go to last post
  3. Exclamation Engine Reduced Power Help!

    Started by TorqueMonster007, December 8th, 2016
    • Replies: 1
    • Views: 999
    February 19th, 2019 Go to last post
  4. 6l80 help!

    Started by bensalz1911, October 28th, 2018
    • Replies: 2
    • Views: 383
    February 19th, 2019 Go to last post
  5. Urgent, Need T43 File 2014 Silverado

    Started by TwistedDiesel, January 14th, 2019
    • Replies: 2
    • Views: 386
    January 16th, 2019 Go to last post
  6. T87 TCC desired slip

    Started by Eng.LSX, October 18th, 2018
    • Replies: 3
    • Views: 507
    January 12th, 2019 Go to last post
  7. 6L90 to 6L80 Express VAN 8.1L E38 2013

    Started by gerbot_4000, September 3rd, 2018
    • Replies: 4
    • Views: 700
    November 27th, 2018 Go to last post
  8. T43 Calibration Full Flash Does Not Update?

    Started by TBMSport, November 13th, 2018
    • Replies: 4
    • Views: 546
    November 19th, 2018 Go to last post
    • Replies: 2
    • Views: 347
    November 7th, 2018 Go to last post
  9. 8 Speed T87 compatibility

    Started by LS-SWAPPER, October 2nd, 2018
    • Replies: 8
    • Views: 771
    October 4th, 2018 Go to last post
    • Replies: 1
    • Views: 541
    July 26th, 2018 Go to last post
  10. T87 CAN Protocol for 8L90 control?

    Started by 1BadAction, March 1st, 2018
    • Replies: 9
    • Views: 1,206
    July 26th, 2018 Go to last post
  11. t43 tap u/down in standalone

    Started by proflash, May 30th, 2018
    • Replies: 0
    • Views: 403
    May 30th, 2018 Go to last post
  12. 2015 Tahoe change rear gear ratio

    Started by Telco, April 22nd, 2018
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,686
    May 13th, 2018 Go to last post
  13. 2016 gmc denali 6.2l di a8 tuning -

    Started by GR8GAME, March 11th, 2018
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,353
    April 21st, 2018 Go to last post
  14. E38 T43 TUTD final request

    Started by RuraBrute, February 12th, 2018
    • Replies: 4
    • Views: 793
    March 23rd, 2018 Go to last post
  15. 6l80 Tap Shift

    Started by koryenger, June 26th, 2017
    • Replies: 4
    • Views: 853
    February 10th, 2018 Go to last post
  16. Jeep TJ Brute LS3 E38-T35 6L80e

    Started by RuraBrute, February 4th, 2018
    • Replies: 3
    • Views: 464
    February 8th, 2018 Go to last post
    • Replies: 6
    • Views: 844
    February 1st, 2018 Go to last post

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