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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: 32
    • Views: 129,617
    November 12th, 2017 Go to last post
  2. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 78,872
    February 18th, 2015 Go to last post
  3. 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: 114,018
    May 13th, 2018 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: 54,827
    February 6th, 2017 Go to last post
  5. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    • Replies: 0
    • Views: 8,566
    October 5th, 2010 Go to last post
  1. $L60E Transgo HD2-A

    Started by Ritch, May 14th, 2007
    • Replies: 5
    • Views: 4,106
    May 19th, 2007 Go to last post
  2. "learned" shift?

    Started by eye-p, June 10th, 2005
    • Replies: 6
    • Views: 2,457
    May 25th, 2007 Go to last post
    • Replies: 1
    • Views: 1,894
    October 18th, 2011 Go to last post
  3. 0411 Segment swap issues 80E

    Started by 1bar, March 29th, 2020
    • Replies: 4
    • Views: 412
    April 13th, 2020 Go to last post
  4. 0411PCM Suburban 4x4???

    Started by hquick, April 2nd, 2007
    • Replies: 4
    • Views: 2,229
    April 27th, 2007 Go to last post
    • Replies: 4
    • Views: 1,964
    November 18th, 2014 Go to last post
    • Replies: 2
    • Views: 1,368
    November 7th, 2005 Go to last post
  5. 06 gmc truck os swap?

    Started by vortecyota, April 20th, 2010
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 10,806
    April 22nd, 2010 Go to last post
  6. 07 Built trans TCC locks when WOT (T42)

    Started by LS1FREEK, January 6th, 2012
    • Replies: 9
    • Views: 3,164
    April 17th, 2012 Go to last post
  7. 08 Sierra 4l80e t42 issues

    Started by 2007chevy5.3l, September 22nd, 2012
    • Replies: 7
    • Views: 3,666
    September 23rd, 2012 Go to last post
  8. 09373372 OS need 4l80e Segment swap

    Started by 99taman, September 28th, 2015
    • Replies: 6
    • Views: 2,154
    October 1st, 2015 Go to last post
    • Replies: 8
    • Views: 4,784
    May 8th, 2009 Go to last post
  9. 1st to 2nd shift slipping at WOT

    Started by Mayhem, February 12th, 2012
    • Replies: 5
    • Views: 2,563
    February 21st, 2012 Go to last post
  10. 2-->1 Downshift while slowing down noise

    Started by 1fastgto, April 26th, 2010
    • Replies: 0
    • Views: 1,679
    April 26th, 2010 Go to last post
    • Replies: 3
    • Views: 2,200
    June 2nd, 2011 Go to last post
    • Replies: 21
    • Views: 3,975
    June 13th, 2011 Go to last post
  11. 2000 4L80E with T42?

    Started by v8vegaman, December 17th, 2009
    • Replies: 3
    • Views: 2,600
    December 21st, 2009 Go to last post
    • Replies: 5
    • Views: 5,212
    November 5th, 2011 Go to last post
  12. 2004 4L60E ????'s

    Started by GAMEOVER, May 24th, 2010
    • Replies: 8
    • Views: 7,083
    May 26th, 2010 Go to last post
  13. 2004 4l60e not shifting out of first.

    Started by bubba68ss, May 10th, 2017
    • Replies: 4
    • Views: 1,851
    November 30th, 2017 Go to last post

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