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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: How about a transmission tuning tutorial!

    Started by Redline Motorsports, January 12th, 2006
    15 Pages
    1 2 3 ... 15
    • Replies: 149
    • Views: 88,390
    May 13th, 2018 Go to last post
  2. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 117,078
    November 12th, 2017 Go to last post
  3. 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: 40,112
    February 6th, 2017 Go to last post
  4. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 67,096
    February 18th, 2015 Go to last post
  5. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    • Replies: 0
    • Views: 6,375
    October 5th, 2010 Go to last post
    • Replies: 5
    • Views: 210
    1 Hour Ago Go to last post
  1. Angry t42 4L80e 3-4 voodoo

    Started by LS-SWAPPER, 1 Day Ago
    • Replies: 3
    • Views: 40
    13 Hours Ago Go to last post
    • Replies: 3
    • Views: 354
    3 Weeks Ago Go to last post
  2. Question 4l80 swap os numbers needed

    Started by yellogsxr, September 1st, 2018
    • Replies: 4
    • Views: 890
    3 Weeks Ago Go to last post
    • Replies: 20
    • Views: 4,120
    March 9th, 2019 Go to last post
  3. 4l80e parameters to prevent TCC from disengaging in 4th gear

    Started by GMCtrk, August 23rd, 2012
    7 Pages
    1 2 3 ... 7
    • Replies: 61
    • Views: 21,440
    March 1st, 2019 Go to last post
  4. 2012 T42 tcm 4l60e to 4l80e

    Started by bubba68ss, February 26th, 2019
    • Replies: 0
    • Views: 101
    February 26th, 2019 Go to last post
  5. 4l80e not shifting out of first

    Started by bubba68ss, February 2nd, 2019
    • Replies: 8
    • Views: 448
    February 9th, 2019 Go to last post
  6. Long Shift Times

    Started by Savana25004x4, February 6th, 2019
    • Replies: 4
    • Views: 254
    February 9th, 2019 Go to last post
  7. looking for 4l80e stock tune

    Started by steve40, May 6th, 2017
    • Replies: 8
    • Views: 2,012
    September 6th, 2018 Go to last post
  8. Transmission tuning with E38 controller?

    Started by johnsZ06, March 23rd, 2018
    • Replies: 4
    • Views: 1,271
    March 26th, 2018 Go to last post
    • Replies: 24
    • Views: 2,304
    March 22nd, 2018 Go to last post
  9. 4l80e lock up question

    Started by Tinbender59, December 1st, 2017
    • Replies: 5
    • Views: 692
    March 20th, 2018 Go to last post
  10. Jakes Performance 4L80E Stage III tuning

    Started by redtacoma31, January 17th, 2018
    • Replies: 3
    • Views: 591
    January 19th, 2018 Go to last post
  11. GMPP LS3 (E38) w/ 4L70E in square body 4x4

    Started by TurboCamaro, January 8th, 2018
    2 Pages
    1 2
    • Replies: 10
    • Views: 906
    January 11th, 2018 Go to last post
  12. 2004 4l60e not shifting out of first.

    Started by bubba68ss, May 10th, 2017
    • Replies: 4
    • Views: 1,289
    November 30th, 2017 Go to last post
  13. Want to lockup 4L60E in third gear at WOT

    Started by 67SS509, September 26th, 2017
    2 Pages
    1 2
    • Replies: 17
    • Views: 1,733
    September 27th, 2017 Go to last post
  14. 4L80e - ECM commanding D4 shift pattern, without a DTC?

    Started by GunmetalGTA, August 17th, 2017
    2 Pages
    1 2
    • Replies: 12
    • Views: 1,451
    August 21st, 2017 Go to last post
    • Replies: 1
    • Views: 393
    August 17th, 2017 Go to last post
  15. E38 & T42 Compatibility

    Started by Yellow05C6, March 9th, 2017
    • Replies: 2
    • Views: 1,244
    August 5th, 2017 Go to last post

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