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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
    16 Pages
    1 2 3 ... 16
    • Replies: 155
    • Views: 223,305
    October 3rd, 2020 Go to last post
  2. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 174,322
    November 23rd, 2022 Go to last post
  3. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 111,499
    February 18th, 2015 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: 97,603
    February 6th, 2017 Go to last post
  5. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    • Replies: 0
    • Views: 14,455
    October 5th, 2010 Go to last post
  6. Sticky Thread Sticky: 4L60E Transmission Torque Reduction during WOT

    Started by recrit, July 11th, 2021
    2 Pages
    1 2
    • Replies: 13
    • Views: 10,772
    August 3rd, 2021 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: 66,853
    May 20th, 2013 Go to last post
  2. 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: 53,532
    December 9th, 2020 Go to last post
  3. 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: 51,571
    November 28th, 2011 Go to last post
  4. TCC releasing at crusing speeds with light throttle

    Started by HellKnightHicks, October 8th, 2013
    11 Pages
    1 2 3 ... 11
    • Replies: 108
    • Views: 48,825
    May 16th, 2016 Go to last post
  5. TCC Tuning! TCC Lock 3rd at WOT?

    Started by EagleMark, August 21st, 2013
    9 Pages
    1 2 3 ... 9
    • Replies: 80
    • Views: 45,900
    November 12th, 2013 Go to last post
  6. TBSS 4L60e to 4L80e T42 Swap

    Started by Mike@Vengeance, November 19th, 2012
    7 Pages
    1 2 3 ... 7
    • Replies: 65
    • Views: 42,697
    January 4th, 2013 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: 36,182
    February 11th, 2011 Go to last post
  8. 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: 34,776
    January 21st, 2017 Go to last post
  9. How do you do a segment swap?

    Started by Redline Motorsports, February 18th, 2007
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 34,669
    July 8th, 2012 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: 31,784
    February 6th, 2011 Go to last post
  11. TCC Modes?

    Started by DrX, June 10th, 2013
    6 Pages
    1 2 3 ... 6
    • Replies: 51
    • Views: 31,050
    October 4th, 2013 Go to last post
  12. New member looking for some input on tune

    Started by izcain, November 17th, 2014
    7 Pages
    1 2 3 ... 7
    • Replies: 68
    • Views: 28,045
    December 24th, 2014 Go to last post
  13. 4l60E Problems and Solutions

    Started by nevinsb, October 6th, 2010
    • Replies: 2
    • Views: 27,533
    October 6th, 2010 Go to last post
  14. 4l60 bumpy shifts - slippage?

    Started by Boost, June 14th, 2010
    2 Pages
    1 2
    • Replies: 16
    • Views: 26,381
    June 20th, 2010 Go to last post
  15. Tuning a 4L60E with Transgo HD Shift Kit

    Started by blsnelling, October 1st, 2010
    4 Pages
    1 2 3 ... 4
    • Replies: 34
    • Views: 25,794
    October 11th, 2010 Go to last post
  16. Need blackbox 4L80E tune for my 4L80E segment swap

    Started by Supercharged111, August 14th, 2013
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 25,507
    September 10th, 2013 Go to last post
  17. Seeking Advice on tuning a heavily modified 4L60E

    Started by HellKnightHicks, October 4th, 2012
    5 Pages
    1 2 3 ... 5
    • Replies: 45
    • Views: 25,414
    February 22nd, 2013 Go to last post
  18. 4L60E, Yank 3600 Stall, 3.42 gears TCC Apply/Release

    Started by 1fastgto, January 26th, 2010
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 23,505
    February 1st, 2010 Go to last post
  19. Full line pressure with A4 SD tune

    Started by jnorris, December 23rd, 2005
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 23,248
    February 21st, 2006 Go to last post
  20. 4L60E to 4L80E swap

    Started by hquick, September 22nd, 2007
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 22,297
    November 22nd, 2007 Go to last post

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