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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: 5,210
    May 23rd, 2017 Go to last post
  1. AL5 stream

    Started by vectorbundle, 2 Weeks Ago
    • Replies: 1
    • Views: 106
    2 Weeks Ago Go to last post
  2. A40 TCM Tuning

    Started by 08lmm72mm, 4 Weeks Ago
    • Replies: 0
    • Views: 305
    4 Weeks Ago Go to last post
  3. Flashscan V2 J1939?

    Started by cadillackid, August 13th, 2017
    2 Pages
    1 2
    • Replies: 11
    • Views: 4,324
    March 5th, 2020 Go to last post
  4. Recovering Bricked T14a TCMs

    Started by TwistedDiesel, March 4th, 2020
    • Replies: 0
    • Views: 268
    March 4th, 2020 Go to last post
  5. Allison A42 Support?

    Started by schroedj, May 1st, 2018
    • Replies: 7
    • Views: 1,635
    March 4th, 2020 Go to last post
  6. A51 Medium duty TCM

    Started by cadillackid, March 4th, 2020
    • Replies: 0
    • Views: 238
    March 4th, 2020 Go to last post
  7. AL5 read protect

    Started by vectorbundle, March 1st, 2020
    • Replies: 2
    • Views: 299
    March 1st, 2020 Go to last post
  8. 15.5 LML T87 Stock file

    Started by z71ecb, February 14th, 2020
    • Replies: 3
    • Views: 713
    February 17th, 2020 Go to last post
  9. Which tables are wrong ?

    Started by staytuned, January 22nd, 2020
    • Replies: 0
    • Views: 393
    January 22nd, 2020 Go to last post
  10. Line Pressure 2015 Allison T87

    Started by Fishhead Performance, March 11th, 2019
    • Replies: 2
    • Views: 1,462
    January 13th, 2020 Go to last post
  11. Cool 600 rpm slip limit solved!!!! OS 25941752

    Started by mitchd, May 31st, 2013
    14 Pages
    1 2 3 ... 14
    • Replies: 130
    • Views: 46,878
    January 11th, 2020 Go to last post
  12. A40 Full Read option

    Started by GMPX, March 9th, 2015
    8 Pages
    1 2 3 ... 8
    • Replies: 73
    • Views: 20,881
    December 17th, 2019 Go to last post
  13. A50 stock base file-2012

    Started by Kennedy Diesel, September 5th, 2019
    • Replies: 2
    • Views: 1,954
    September 11th, 2019 Go to last post
  14. AL5 Allison adaptive cells

    Started by Rthms20, September 3rd, 2019
    • Replies: 0
    • Views: 703
    September 3rd, 2019 Go to last post
  15. 2009 gmc c5500

    Started by chevy052500hd, April 20th, 2019
    • Replies: 0
    • Views: 1,412
    April 20th, 2019 Go to last post
  16. Allison VIN flashing

    Started by MaxPF, February 10th, 2011
    2 Pages
    1 2
    • Replies: 19
    • Views: 7,196
    January 11th, 2019 Go to last post
  17. Allison Relearn

    Started by EdJ, December 30th, 2018
    allison, relearn
    • Replies: 1
    • Views: 795
    December 30th, 2018 Go to last post
  18. Allison in F-650

    Started by Orange Stroker, September 24th, 2018
    • Replies: 5
    • Views: 1,483
    September 24th, 2018 Go to last post
  19. Topkick 5sp to 6sp conversion

    Started by Mitco39, July 16th, 2018
    • Replies: 1
    • Views: 872
    July 17th, 2018 Go to last post
    • Replies: 2
    • Views: 1,204
    June 2nd, 2018 Go to last post

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