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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: 4,546
    May 23rd, 2017 Go to last post
  1. 15.5 LML T87 Stock file

    Started by z71ecb, 1 Week Ago
    • Replies: 3
    • Views: 164
    1 Week Ago Go to last post
  2. Which tables are wrong ?

    Started by staytuned, January 22nd, 2020
    • Replies: 0
    • Views: 240
    January 22nd, 2020 Go to last post
  3. Line Pressure 2015 Allison T87

    Started by Fishhead Performance, March 11th, 2019
    • Replies: 2
    • Views: 1,300
    January 13th, 2020 Go to last post
  4. Cool 600 rpm slip limit solved!!!! OS 25941752

    Started by mitchd, May 31st, 2013
    14 Pages
    1 2 3 ... 14
    • Replies: 130
    • Views: 45,157
    January 10th, 2020 Go to last post
  5. A40 Full Read option

    Started by GMPX, March 9th, 2015
    8 Pages
    1 2 3 ... 8
    • Replies: 73
    • Views: 19,489
    December 17th, 2019 Go to last post
  6. A50 stock base file-2012

    Started by Kennedy Diesel, September 5th, 2019
    • Replies: 2
    • Views: 1,785
    September 11th, 2019 Go to last post
  7. AL5 Allison adaptive cells

    Started by Rthms20, September 3rd, 2019
    • Replies: 0
    • Views: 597
    September 3rd, 2019 Go to last post
  8. 2009 gmc c5500

    Started by chevy052500hd, April 20th, 2019
    • Replies: 0
    • Views: 1,298
    April 20th, 2019 Go to last post
  9. Allison VIN flashing

    Started by MaxPF, February 10th, 2011
    2 Pages
    1 2
    • Replies: 19
    • Views: 6,687
    January 11th, 2019 Go to last post
  10. Allison Relearn

    Started by EdJ, December 30th, 2018
    allison, relearn
    • Replies: 1
    • Views: 651
    December 30th, 2018 Go to last post
  11. Allison in F-650

    Started by Orange Stroker, September 24th, 2018
    • Replies: 5
    • Views: 1,312
    September 24th, 2018 Go to last post
  12. Topkick 5sp to 6sp conversion

    Started by Mitco39, July 16th, 2018
    • Replies: 1
    • Views: 741
    July 17th, 2018 Go to last post
    • Replies: 2
    • Views: 1,070
    June 1st, 2018 Go to last post
  13. T87 Allison Transmission Tuning

    Started by cindy@efilive, August 1st, 2016
    • Replies: 8
    • Views: 5,071
    June 1st, 2018 Go to last post
  14. Allison 6 Speed Can

    Started by dmax66, May 8th, 2018
    • Replies: 0
    • Views: 602
    May 8th, 2018 Go to last post
  15. Allison A42 Support?

    Started by schroedj, May 1st, 2018
    • Replies: 4
    • Views: 977
    May 1st, 2018 Go to last post
  16. 2010 A50 Stock File OS 24252364

    Started by LBZoom, September 3rd, 2015
    • Replies: 3
    • Views: 2,287
    March 26th, 2018 Go to last post
  17. Trying to Flash LLY TCM

    Started by Chavez91, February 4th, 2014
    2 Pages
    1 2
    • Replies: 14
    • Views: 4,899
    February 2nd, 2018 Go to last post
  18. lbz tcm issues

    Started by Boosted Duramax performan, January 23rd, 2018
    • Replies: 0
    • Views: 600
    January 23rd, 2018 Go to last post
  19. Tighten Converter? - 6sp Allison

    Started by LMLDenali, January 14th, 2018
    • Replies: 5
    • Views: 1,259
    January 19th, 2018 Go to last post

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