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

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

  1. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 173,083
    November 23rd, 2022 Go to last post
  2. Sticky Thread Sticky: 4L60E Transmission Torque Reduction during WOT

    Started by recrit, July 11th, 2021
    2 Pages
    1 2
    • Replies: 13
    • Views: 10,395
    August 3rd, 2021 Go to last post
  3. Sticky Thread Sticky: How about a transmission tuning tutorial!

    Started by Redline Motorsports, January 12th, 2006
    16 Pages
    1 2 3 ... 16
    • Replies: 155
    • Views: 219,522
    October 3rd, 2020 Go to last post
  4. Sticky Thread Sticky: Tool to help tune A4 shift points...

    Started by SSpdDmon, August 1st, 2007
    6 Pages
    1 2 3 ... 6
    • Replies: 55
    • Views: 96,673
    February 6th, 2017 Go to last post
  5. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 110,668
    February 18th, 2015 Go to last post
  6. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    • Replies: 0
    • Views: 14,293
    October 5th, 2010 Go to last post
  1. Ls1 12225074 4l60 to 4l80 conversion

    Started by shane, 1 Week Ago
    • Replies: 3
    • Views: 125
    6 Days Ago Go to last post
  2. Torque Reduction with High Stall Converter?

    Started by LS1FREEK, November 11th, 2014
    2 Pages
    1 2
    • Replies: 12
    • Views: 8,700
    November 16th, 2023 Go to last post
  3. Line Pressure PID for 4L80?

    Started by Supercharged111, March 20th, 2022
    2 Pages
    1 2
    • Replies: 19
    • Views: 5,439
    November 6th, 2023 Go to last post
    • Replies: 5
    • Views: 4,480
    October 26th, 2023 Go to last post
    • Replies: 17
    • Views: 5,484
    September 6th, 2023 Go to last post
  4. 4l80e Swap with COS5

    Started by whatthekrapp, May 16th, 2022
    2 Pages
    1 2
    • Replies: 17
    • Views: 4,437
    August 10th, 2023 Go to last post
    • Replies: 2
    • Views: 957
    March 6th, 2023 Go to last post
  5. 4L80E Stock file with 01250003 OS?

    Started by Longslyde, November 5th, 2022
    • Replies: 5
    • Views: 1,344
    November 13th, 2022 Go to last post
  6. single wire P/N in gear setting

    Started by turbo, October 30th, 2022
    • Replies: 6
    • Views: 1,424
    November 3rd, 2022 Go to last post
    • Replies: 4
    • Views: 2,649
    April 1st, 2022 Go to last post
    • Replies: 20
    • Views: 7,472
    January 27th, 2022 Go to last post
  7. T-42 stock tune for OS 24252617

    Started by frodo84, December 27th, 2021
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 6,455
    January 23rd, 2022 Go to last post
  8. 4L80E TCC release at idle

    Started by robof16, June 14th, 2021
    • Replies: 2
    • Views: 2,179
    July 4th, 2021 Go to last post
  9. Question 4L80 T42 problems

    Started by Autovation, May 8th, 2021
    • Replies: 4
    • Views: 2,946
    May 28th, 2021 Go to last post
  10. 03 6L 4L80E VSS 1/2 GPS Speed

    Started by TurboCamaro, March 28th, 2021
    • Replies: 3
    • Views: 2,559
    March 30th, 2021 Go to last post
  11. 4l60e TCC Lockup unlocking at 0% throttle

    Started by Mr98z71, November 22nd, 2020
    2 Pages
    1 2
    • Replies: 14
    • Views: 7,249
    December 10th, 2020 Go to last post
  12. 4l80e parameters to prevent TCC from disengaging in 4th gear

    Started by GMCtrk, August 23rd, 2012
    7 Pages
    1 2 3 ... 7
    • Replies: 62
    • Views: 52,359
    December 9th, 2020 Go to last post
    • Replies: 3
    • Views: 3,468
    August 13th, 2020 Go to last post
  13. 80E Segment swap and ABS not working

    Started by 1bar, May 26th, 2020
    • Replies: 4
    • Views: 4,151
    May 27th, 2020 Go to last post
  14. T42 4L60E 3-4 UpShift issue

    Started by nonnieselman, March 16th, 2020
    • Replies: 7
    • Views: 4,199
    April 27th, 2020 Go to last post

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