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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: 13,472
    December 11th, 2016 Go to last post
  2. Sticky Thread Sticky: T43/E38 6L90 Shift points change

    Started by 55chevdelray, May 20th, 2013
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 24,903
    October 8th, 2015 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: 149
    • Views: 96,255
    1 Day Ago Go to last post
  4. Sticky Thread Sticky: 6L80 Reference Material

    Started by joecar, February 21st, 2014
    2 Pages
    1 2
    • Replies: 15
    • Views: 18,217
    July 9th, 2018 Go to last post
  1. 24249042 - T43 Acadia File Needed

    Started by 02CCSB, January 19th, 2016
    • Replies: 0
    • Views: 1,457
    January 19th, 2016 Go to last post
  2. 24239353 OS from a Pickup Needed

    Started by 02CCSB, October 5th, 2017
    • Replies: 1
    • Views: 824
    3 Weeks Ago Go to last post
  3. Shift pattern 6l80e 6l90e prnd321 prnd6d4d2d1

    Started by 04colyZQ8, September 13th, 2017
    • Replies: 0
    • Views: 641
    September 13th, 2017 Go to last post
    • Replies: 0
    • Views: 699
    September 13th, 2017 Go to last post
    • Replies: 1
    • Views: 1,125
    July 26th, 2018 Go to last post
  4. Unsupported 2012 Camaro V6 TCM

    Started by 05gmcsierra, March 20th, 2013
    • Replies: 6
    • Views: 2,987
    March 20th, 2013 Go to last post
  5. Need T87 stock files pretty bad.

    Started by 07blueCR, September 26th, 2019
    • Replies: 3
    • Views: 1,624
    September 26th, 2019 Go to last post
  6. T87 CAN Protocol for 8L90 control?

    Started by 1BadAction, March 1st, 2018
    • Replies: 9
    • Views: 2,247
    July 26th, 2018 Go to last post
    • Replies: 0
    • Views: 1,647
    June 18th, 2016 Go to last post
  7. help with t43 tune! added supercharger and cam.

    Started by 2006, September 22nd, 2014
    • Replies: 4
    • Views: 1,782
    September 28th, 2014 Go to last post
    • Replies: 2
    • Views: 1,942
    May 4th, 2010 Go to last post
    • Replies: 4
    • Views: 4,230
    May 5th, 2010 Go to last post
    • Replies: 4
    • Views: 3,929
    May 5th, 2010 Go to last post
    • Replies: 0
    • Views: 1,329
    January 21st, 2015 Go to last post
  8. T43 TCM code $06FF: checksum failure

    Started by 400ss, April 22nd, 2014
    2 Pages
    1 2
    • Replies: 11
    • Views: 4,461
    August 15th, 2014 Go to last post
    • Replies: 2
    • Views: 2,463
    August 17th, 2014 Go to last post
  9. LS376/480 and 6L90

    Started by 55chevdelray, June 10th, 2009
    • Replies: 2
    • Views: 4,352
    June 11th, 2009 Go to last post
  10. T43 tune from L99 2010 or later

    Started by 55chevdelray, April 15th, 2015
    6l90, t43
    • Replies: 0
    • Views: 1,464
    April 15th, 2015 Go to last post
  11. 6l90e built trans tune?

    Started by 600+duramax, August 15th, 2011
    • Replies: 3
    • Views: 2,868
    August 20th, 2011 Go to last post
  12. Problem with t87

    Started by 600+duramax, August 18th, 2016
    • Replies: 6
    • Views: 2,392
    August 22nd, 2016 Go to last post

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