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Forum: 4speed RWD/FWD Transmission Tuning (incl T42)

4L60E, 4L80E, 4T60E etc transmission tuning, incl T42 TCM.

  1. flashing for 4l80

    Started by akafred, October 6th, 2012
    2 Pages
    1 2
    • Replies: 17
    • Views: 12,525
    April 16th, 2020 Go to last post
  2. 0411 Segment swap issues 80E

    Started by 1bar, March 29th, 2020
    • Replies: 4
    • Views: 2,888
    April 13th, 2020 Go to last post
    • Replies: 5
    • Views: 3,782
    March 23rd, 2020 Go to last post
  3. E38/T42 4l60E P0717 Code

    Started by minytrker, February 28th, 2012
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 21,658
    March 17th, 2020 Go to last post
  4. T42 4L80 file

    Started by derkscustomcars, February 25th, 2020
    • Replies: 7
    • Views: 4,858
    March 3rd, 2020 Go to last post
  5. List - T42 4L80E Tune Files

    Started by LeftCoast32, April 12th, 2011
    2 Pages
    1 2
    • Replies: 13
    • Views: 13,988
    February 25th, 2020 Go to last post
  6. need O/S 24255281

    Started by SPi, January 31st, 2020
    • Replies: 0
    • Views: 1,693
    January 31st, 2020 Go to last post
  7. No Lockup

    Started by max57, November 11th, 2019
    2 Pages
    1 2
    • Replies: 13
    • Views: 16,897
    December 8th, 2019 Go to last post
  8. Need 4L80E segment swap wiring schematic

    Started by 1bar, September 20th, 2019
    • Replies: 1
    • Views: 2,510
    September 29th, 2019 Go to last post
  9. 4l80e change gear completely opposite to what it should

    Started by Ponrov, April 30th, 2019
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,854
    August 25th, 2019 Go to last post
  10. Post 4L60E Shift Pressure Knowledge

    Started by PHLTHS, July 18th, 2019
    4l60, 4l60e, fmc, line pressure
    • Replies: 2
    • Views: 7,840
    July 20th, 2019 Go to last post
  11. 4L80E Harsh Engagement - TCC Drag

    Started by 02CCSB, July 11th, 2019
    • Replies: 3
    • Views: 2,673
    July 16th, 2019 Go to last post
  12. T56 to 80E first drive

    Started by 1bar, July 5th, 2019
    • Replies: 1
    • Views: 2,067
    July 6th, 2019 Go to last post
  13. 4L80E swap always in 1st

    Started by 1bar, June 26th, 2019
    • Replies: 3
    • Views: 2,416
    June 27th, 2019 Go to last post
  14. T56 to 80E hurdles

    Started by 1bar, June 8th, 2019
    • Replies: 3
    • Views: 2,740
    June 9th, 2019 Go to last post
  15. Angry t42 4L80e 3-4 voodoo

    Started by LS-SWAPPER, May 19th, 2019
    • Replies: 9
    • Views: 4,413
    May 22nd, 2019 Go to last post
    • Replies: 3
    • Views: 3,154
    April 28th, 2019 Go to last post
  16. Question 4l80 swap os numbers needed

    Started by yellogsxr, September 1st, 2018
    • Replies: 4
    • Views: 6,842
    April 24th, 2019 Go to last post
    • Replies: 20
    • Views: 12,508
    March 9th, 2019 Go to last post
  17. 2012 T42 tcm 4l60e to 4l80e

    Started by bubba68ss, February 26th, 2019
    • Replies: 0
    • Views: 1,913
    February 26th, 2019 Go to last post

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