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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: 7,925
    May 23rd, 2017 Go to last post
  1. In need of 25821029 stock file

    Started by whistler, 1 Week Ago
    • Replies: 1
    • Views: 128
    1 Week Ago Go to last post
  2. 2012 LML Stock file request

    Started by whistler, February 19th, 2021
    • Replies: 0
    • Views: 607
    February 19th, 2021 Go to last post
  3. A50 Shift Pattern Issues

    Started by jda, May 11th, 2017
    • Replies: 1
    • Views: 2,100
    December 17th, 2020 Go to last post
    • Replies: 1
    • Views: 890
    November 15th, 2020 Go to last post
  4. 2005 LLY / AL5 Limp undet wot

    Started by derkscustomcars, July 8th, 2020
    • Replies: 2
    • Views: 1,456
    July 12th, 2020 Go to last post
  5. A40 in a Hummer

    Started by dscholz, June 12th, 2020
    • Replies: 0
    • Views: 1,785
    June 12th, 2020 Go to last post
  6. AL5 stream

    Started by vectorbundle, May 15th, 2020
    • Replies: 1
    • Views: 769
    May 15th, 2020 Go to last post
  7. A40 TCM Tuning

    Started by 08lmm72mm, May 2nd, 2020
    • Replies: 0
    • Views: 978
    May 2nd, 2020 Go to last post
  8. Flashscan V2 J1939?

    Started by cadillackid, August 13th, 2017
    2 Pages
    1 2
    • Replies: 11
    • Views: 6,804
    March 5th, 2020 Go to last post
  9. Recovering Bricked T14a TCMs

    Started by TwistedDiesel, March 4th, 2020
    • Replies: 0
    • Views: 768
    March 4th, 2020 Go to last post
  10. Allison A42 Support?

    Started by schroedj, May 1st, 2018
    • Replies: 7
    • Views: 2,693
    March 4th, 2020 Go to last post
  11. A51 Medium duty TCM

    Started by cadillackid, March 4th, 2020
    • Replies: 0
    • Views: 722
    March 4th, 2020 Go to last post
  12. AL5 read protect

    Started by vectorbundle, March 1st, 2020
    • Replies: 2
    • Views: 869
    March 1st, 2020 Go to last post
  13. 15.5 LML T87 Stock file

    Started by z71ecb, February 14th, 2020
    • Replies: 3
    • Views: 1,579
    February 17th, 2020 Go to last post
  14. Which tables are wrong ?

    Started by staytuned, January 22nd, 2020
    • Replies: 0
    • Views: 848
    January 22nd, 2020 Go to last post
  15. Line Pressure 2015 Allison T87

    Started by Fishhead Performance, March 11th, 2019
    • Replies: 2
    • Views: 2,201
    January 13th, 2020 Go to last post
  16. Cool 600 rpm slip limit solved!!!! OS 25941752

    Started by mitchd, May 31st, 2013
    14 Pages
    1 2 3 ... 14
    • Replies: 130
    • Views: 57,110
    January 11th, 2020 Go to last post
  17. A40 Full Read option

    Started by GMPX, March 9th, 2015
    8 Pages
    1 2 3 ... 8
    • Replies: 73
    • Views: 27,378
    December 17th, 2019 Go to last post
  18. A50 stock base file-2012

    Started by Kennedy Diesel, September 5th, 2019
    • Replies: 2
    • Views: 2,673
    September 11th, 2019 Go to last post
  19. AL5 Allison adaptive cells

    Started by Rthms20, September 3rd, 2019
    • Replies: 0
    • Views: 1,164
    September 3rd, 2019 Go to last post

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