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Forum: Allison 5 & 6 Speed

Allison 5 & 6 Speed Transmission for Duramax and 8.1L gas.

  1. Exclamation Sticky Thread Sticky: Allison 6spd TCM versions

    Started by GMPX, May 23rd, 2017
    • Replies: 1
    • Views: 2,938
    May 23rd, 2017 Go to last post
  1. 2009 gmc c5500

    Started by chevy052500hd, April 20th, 2019
    • Replies: 0
    • Views: 258
    April 20th, 2019 Go to last post
  2. Line Pressure 2015 Allison T87

    Started by Fishhead Performance, March 11th, 2019
    • Replies: 1
    • Views: 450
    March 12th, 2019 Go to last post
  3. Allison VIN flashing

    Started by MaxPF, February 10th, 2011
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,461
    January 11th, 2019 Go to last post
  4. Allison Relearn

    Started by EdJ, December 30th, 2018
    allison, relearn
    • Replies: 1
    • Views: 289
    December 30th, 2018 Go to last post
  5. Allison in F-650

    Started by Orange Stroker, September 24th, 2018
    • Replies: 5
    • Views: 839
    September 24th, 2018 Go to last post
  6. A40 Full Read option

    Started by GMPX, March 9th, 2015
    8 Pages
    1 2 3 ... 8
    • Replies: 72
    • Views: 16,272
    August 10th, 2018 Go to last post
  7. Topkick 5sp to 6sp conversion

    Started by Mitco39, July 16th, 2018
    • Replies: 1
    • Views: 452
    July 17th, 2018 Go to last post
    • Replies: 2
    • Views: 718
    June 2nd, 2018 Go to last post
  8. T87 Allison Transmission Tuning

    Started by cindy@efilive, August 1st, 2016
    • Replies: 8
    • Views: 4,214
    June 1st, 2018 Go to last post
  9. Allison 6 Speed Can

    Started by dmax66, May 8th, 2018
    • Replies: 0
    • Views: 404
    May 8th, 2018 Go to last post
  10. Allison A42 Support?

    Started by schroedj, May 1st, 2018
    • Replies: 4
    • Views: 620
    May 1st, 2018 Go to last post
  11. 2010 A50 Stock File OS 24252364

    Started by LBZoom, September 3rd, 2015
    • Replies: 3
    • Views: 1,932
    March 26th, 2018 Go to last post
  12. Trying to Flash LLY TCM

    Started by Chavez91, February 4th, 2014
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,924
    February 2nd, 2018 Go to last post
  13. lbz tcm issues

    Started by Boosted Duramax performan, January 23rd, 2018
    • Replies: 0
    • Views: 361
    January 23rd, 2018 Go to last post
  14. Tighten Converter? - 6sp Allison

    Started by LMLDenali, January 14th, 2018
    • Replies: 5
    • Views: 765
    January 19th, 2018 Go to last post
  15. A50/T14 confusion

    Started by comnrailpwr, March 21st, 2017
    5 Pages
    1 2 3 ... 5
    • Replies: 47
    • Views: 10,343
    December 7th, 2017 Go to last post
  16. A40 in "Engine in Default Mode Shift Pattern"

    Started by OTHRGRL, November 14th, 2017
    • Replies: 3
    • Views: 628
    November 15th, 2017 Go to last post
  17. Flashscan V2 J1939?

    Started by cadillackid, August 13th, 2017
    • Replies: 5
    • Views: 1,047
    August 28th, 2017 Go to last post
  18. New stage five

    Started by t.ashton, July 13th, 2017
    • Replies: 2
    • Views: 807
    July 15th, 2017 Go to last post
  19. A50 vin

    Started by Rthms20, July 13th, 2017
    • Replies: 7
    • Views: 1,016
    July 14th, 2017 Go to last post

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