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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: DIfferent T43 question, can't change OS?

    Started by 02CCSB, January 19th, 2016
    2 Pages •
    1 2
    • Replies: 14
    • Views: 31,599
    auspeed
    December 11th, 2016 Go to last post

  2. Sticky Thread Sticky: 6L80 Reference Material

    Started by joecar, February 21st, 2014
    3 Pages •
    1 2 3
    10 Attachment(s)
    • Replies: 20
    • Views: 49,471
    joecar
    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
    6 Attachment(s)
    • Replies: 28
    • Views: 61,775
    joecar
    September 16th, 2020 Go to last post

  4. Sticky Thread Sticky: Improving shifts via the ECM

    Started by GMPX, March 11th, 2012
    16 Pages •
    1 2 3 ... 16
    20 Attachment(s)
    • Replies: 153
    • Views: 199,516
    hsv084
    July 1st, 2022 Go to last post

  1. 2011 t43 6l80 file

    Started by Sass5150, January 26th, 2024
    • Replies: 0
    • Views: 426
    Sass5150
    January 26th, 2024 Go to last post

  2. T43 to E67 Comms

    Started by oondy, December 16th, 2023
    • Replies: 0
    • Views: 600
    oondy
    December 16th, 2023 Go to last post

  3. l98 6l80e conversion help

    Started by JCA, February 27th, 2024
    2 Attachment(s)
    • Replies: 3
    • Views: 651
    Tre-Cool
    February 28th, 2024 Go to last post

  4. 6L80E T43 Link.ini

    Started by RC1, November 18th, 2023
    • Replies: 0
    • Views: 680
    RC1
    November 18th, 2023 Go to last post

  5. Torque Coefficent Table on E86B

    Started by jakezed22, July 6th, 2022
    • Replies: 0
    • Views: 1,151
    jakezed22
    July 6th, 2022 Go to last post

  6. Please share any T43 24264923 OS

    Started by jakezed22, September 24th, 2022
    • Replies: 0
    • Views: 1,220
    jakezed22
    September 24th, 2022 Go to last post

  7. 6l80e help with TUTD holding gear

    Started by wallyman424, February 25th, 2024
    3 Pages •
    1 2 3
    4 Attachment(s)
    • Replies: 20
    • Views: 1,445
    Tre-Cool
    February 28th, 2024 Go to last post

  8. 2015-2019 HD 6l90e manual mode tuning

    Started by jakej03, June 10th, 2023
    • Replies: 3
    • Views: 1,518
    nonnieselman
    June 22nd, 2023 Go to last post

  9. 2007 6l80e with later year engine?

    Started by 80vette, August 19th, 2017
    • Replies: 0
    • Views: 1,592
    80vette
    August 19th, 2017 Go to last post

  10. Weird shift flare T76

    Started by pinstripebob, July 3rd, 2023
    2 Attachment(s)
    • Replies: 2
    • Views: 1,659
    pinstripebob
    July 5th, 2023 Go to last post

  11. Understanding what OS needed for T43 to talk to ECM OS

    Started by jakezed22, September 3rd, 2021
    • Replies: 0
    • Views: 1,773
    jakezed22
    September 3rd, 2021 Go to last post

  12. 8L90 shift/shudder problems

    Started by Telco, April 5th, 2020
    • Replies: 0
    • Views: 1,845
    Telco
    April 5th, 2020 Go to last post

  13. 2013 sonic rs t76 unreconized controller?

    Started by cb350rx7, October 14th, 2014
    • Replies: 0
    • Views: 1,906
    cb350rx7
    October 14th, 2014 Go to last post

  14. Retrofit and TUTD with LSA, 6L90E and E67 controller

    Started by Hocky, October 11th, 2020
    • Replies: 0
    • Views: 1,933
    Hocky
    October 11th, 2020 Go to last post

  15. looking for 24237276

    Started by Boost, January 5th, 2013
    • Replies: 0
    • Views: 1,937
    Boost
    January 5th, 2013 Go to last post

  16. In need of stock 2016 t87 file

    Started by Andyb756, May 10th, 2020
    • Replies: 0
    • Views: 1,957
    Andyb756
    May 10th, 2020 Go to last post

  17. TCCSLIP clarification

    Started by PLohr, September 30th, 2021
    1 Attachment(s)
    • Replies: 1
    • Views: 1,966
    RC1
    October 5th, 2021 Go to last post

  18. Question on Full Flashing T87

    Started by TorqueMonster007, August 11th, 2020
    • Replies: 1
    • Views: 1,987
    minytrker
    August 12th, 2020 Go to last post

  19. 6l80e tuning question

    Started by Veturius, November 14th, 2021
    4l60e, 6 speed, 6l80e, swap, trailblazer
    • Replies: 0
    • Views: 1,991
    Veturius
    November 14th, 2021 Go to last post

  20. T76 6T45 MH7....please upload tune!

    Started by MSU EcoCAR2, May 23rd, 2014
    • Replies: 0
    • Views: 2,019
    MSU EcoCAR2
    May 23rd, 2014 Go to last post
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