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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: 1,285
    May 23rd, 2017 Go to last post
  1. Topkick 5sp to 6sp conversion

    Started by Mitco39, 3 Days Ago
    • Replies: 1
    • Views: 46
    2 Days Ago Go to last post
    • Replies: 2
    • Views: 344
    June 2nd, 2018 Go to last post
  2. T87 Allison Transmission Tuning

    Started by cindy@efilive, August 1st, 2016
    • Replies: 8
    • Views: 3,319
    June 1st, 2018 Go to last post
  3. Allison 6 Speed Can

    Started by dmax66, May 8th, 2018
    • Replies: 0
    • Views: 181
    May 8th, 2018 Go to last post
  4. Allison A42 Support?

    Started by schroedj, May 1st, 2018
    • Replies: 4
    • Views: 283
    May 1st, 2018 Go to last post
  5. 2010 A50 Stock File OS 24252364

    Started by LBZoom, September 3rd, 2015
    • Replies: 3
    • Views: 1,600
    March 26th, 2018 Go to last post
  6. Trying to Flash LLY TCM

    Started by Chavez91, February 4th, 2014
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,020
    February 2nd, 2018 Go to last post
  7. lbz tcm issues

    Started by Boosted Duramax performan, January 23rd, 2018
    • Replies: 0
    • Views: 128
    January 23rd, 2018 Go to last post
  8. Tighten Converter? - 6sp Allison

    Started by LMLDenali, January 14th, 2018
    • Replies: 5
    • Views: 280
    January 19th, 2018 Go to last post
  9. A50/T14 confusion

    Started by comnrailpwr, March 21st, 2017
    5 Pages
    1 2 3 ... 5
    • Replies: 47
    • Views: 7,502
    December 7th, 2017 Go to last post
  10. A40 in "Engine in Default Mode Shift Pattern"

    Started by OTHRGRL, November 14th, 2017
    • Replies: 3
    • Views: 296
    November 15th, 2017 Go to last post
  11. Flashscan V2 J1939?

    Started by cadillackid, August 13th, 2017
    • Replies: 5
    • Views: 620
    August 28th, 2017 Go to last post
  12. New stage five

    Started by t.ashton, July 13th, 2017
    • Replies: 2
    • Views: 440
    July 15th, 2017 Go to last post
  13. A50 vin

    Started by Rthms20, July 13th, 2017
    • Replies: 7
    • Views: 548
    July 14th, 2017 Go to last post
  14. Allison fast learn

    Started by Bcthornton, July 13th, 2017
    • Replies: 0
    • Views: 385
    July 13th, 2017 Go to last post
  15. Tow haul mode

    Started by cyipher, May 3rd, 2017
    • Replies: 3
    • Views: 1,251
    May 18th, 2017 Go to last post
  16. A50 Shift Pattern Issues

    Started by jda, May 11th, 2017
    • Replies: 0
    • Views: 352
    May 11th, 2017 Go to last post
    • Replies: 8
    • Views: 1,523
    April 27th, 2017 Go to last post
  17. 6-5 hard downshift

    Started by LB72004, June 9th, 2015
    • Replies: 5
    • Views: 2,312
    April 23rd, 2017 Go to last post
  18. Shift Speed

    Started by Road, July 8th, 2016
    • Replies: 2
    • Views: 1,239
    March 27th, 2017 Go to last post

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