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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: 97,191
    May 13th, 2018 Go to last post
  2. 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: 45,427
    February 6th, 2017 Go to last post
  3. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 121,538
    November 12th, 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: 71,674
    February 18th, 2015 Go to last post
  5. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    • Replies: 0
    • Views: 7,177
    October 5th, 2010 Go to last post
  1. Anyone have a 4L80E program?

    Started by Telco, September 12th, 2010
    12 Pages
    1 2 3 ... 12
    • Replies: 115
    • Views: 30,210
    May 20th, 2013 Go to last post
  2. TCC releasing at crusing speeds with light throttle

    Started by HellKnightHicks, October 8th, 2013
    11 Pages
    1 2 3 ... 11
    • Replies: 108
    • Views: 21,532
    May 16th, 2016 Go to last post
  3. TCC Tuning! TCC Lock 3rd at WOT?

    Started by EagleMark, August 21st, 2013
    9 Pages
    1 2 3 ... 9
    • Replies: 80
    • Views: 21,394
    November 12th, 2013 Go to last post
  4. New member looking for some input on tune

    Started by izcain, November 17th, 2014
    7 Pages
    1 2 3 ... 7
    • Replies: 68
    • Views: 10,355
    December 24th, 2014 Go to last post
  5. TBSS 4L60e to 4L80e T42 Swap

    Started by Mike@Vengeance, November 19th, 2012
    7 Pages
    1 2 3 ... 7
    • Replies: 65
    • Views: 20,990
    January 4th, 2013 Go to last post
  6. 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: 23,348
    March 1st, 2019 Go to last post
  7. strange acting T42 4L60E combo with 4wd tun file

    Started by harascho, January 9th, 2009
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 19,632
    February 11th, 2011 Go to last post
  8. Need blackbox 4L80E tune for my 4L80E segment swap

    Started by Supercharged111, August 14th, 2013
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 11,320
    September 10th, 2013 Go to last post
  9. TCC Modes?

    Started by DrX, June 10th, 2013
    6 Pages
    1 2 3 ... 6
    • Replies: 51
    • Views: 10,847
    October 4th, 2013 Go to last post
  10. Will a 6 pinion planet gear work in 4L65E

    Started by MyM8V8, October 28th, 2009
    6 Pages
    1 2 3 ... 6
    • Replies: 50
    • Views: 17,294
    February 6th, 2011 Go to last post
  11. Need to verify if tune file I downloaded is 4L80E

    Started by Mean Green Z28, January 10th, 2017
    5 Pages
    1 2 3 ... 5
    • Replies: 49
    • Views: 11,159
    January 21st, 2017 Go to last post
  12. Seeking Advice on tuning a heavily modified 4L60E

    Started by HellKnightHicks, October 4th, 2012
    5 Pages
    1 2 3 ... 5
    • Replies: 45
    • Views: 12,790
    February 22nd, 2013 Go to last post
  13. T42 config critique

    Started by IJ., April 15th, 2013
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 8,219
    May 2nd, 2013 Go to last post
  14. Loosing 4th once converter is locked

    Started by alian, January 29th, 2011
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 8,618
    May 6th, 2011 Go to last post
  15. Full line pressure with A4 SD tune

    Started by jnorris, December 23rd, 2005
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 12,565
    February 21st, 2006 Go to last post
  16. d2903 factory set at 10?

    Started by Ritch, March 30th, 2010
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 8,147
    May 20th, 2010 Go to last post
  17. Converter Locking @ WOT, why

    Started by Rhino79, February 6th, 2011
    4 Pages
    1 2 3 ... 4
    • Replies: 38
    • Views: 10,586
    November 28th, 2012 Go to last post
    • Replies: 36
    • Views: 7,598
    July 26th, 2010 Go to last post
  18. 4l80e 4th gear and tcc problem (running from 4L60E segment)

    Started by kkustomz, February 21st, 2010
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 34,044
    November 28th, 2011 Go to last post
  19. Tuning a 4L60E with Transgo HD Shift Kit

    Started by blsnelling, October 1st, 2010
    4 Pages
    1 2 3 ... 4
    • Replies: 34
    • Views: 14,538
    October 11th, 2010 Go to last post

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