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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
    6 Attachment(s)
    • Replies: 155
    • Views: 232,384
    joecar
    October 3rd, 2020 Go to last post

  2. Sticky Thread Sticky: Tool to help tune A4 shift points...

    Started by SSpdDmon, August 1st, 2007
    6 Attachment(s)
    • Replies: 55
    • Views: 101,822
    joecar
    February 6th, 2017 Go to last post

  3. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    12 Attachment(s)
    • Replies: 35
    • Views: 178,230
    joecar
    November 23rd, 2022 Go to last post

  4. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    10 Attachment(s)
    • Replies: 21
    • Views: 114,458
    joecar
    February 18th, 2015 Go to last post

  5. Sticky Thread Sticky: 4L60E Transmission Torque Reduction during WOT

    Started by recrit, July 11th, 2021
    • Replies: 13
    • Views: 11,876
    recrit
    August 3rd, 2021 Go to last post

  6. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    4 Attachment(s)
    • Replies: 0
    • Views: 15,225
    joecar
    October 5th, 2010 Go to last post

  1. Anyone have a 4L80E program?

    Started by Telco, September 12th, 2010
    7 Attachment(s)
    • Replies: 115
    • Views: 69,873
    joecar
    May 20th, 2013 Go to last post

  2. TCC releasing at crusing speeds with light throttle

    Started by HellKnightHicks, October 8th, 2013
    17 Attachment(s)
    • Replies: 108
    • Views: 50,326
    HellKnightHicks
    May 16th, 2016 Go to last post

  3. TCC Tuning! TCC Lock 3rd at WOT?

    Started by EagleMark, August 21st, 2013
    10 Attachment(s)
    • Replies: 80
    • Views: 47,663
    HellKnightHicks
    November 12th, 2013 Go to last post

  4. New member looking for some input on tune

    Started by izcain, November 17th, 2014
    10 Attachment(s)
    • Replies: 68
    • Views: 29,412
    izcain
    December 24th, 2014 Go to last post

  5. TBSS 4L60e to 4L80e T42 Swap

    Started by Mike@Vengeance, November 19th, 2012
    3 Attachment(s)
    • Replies: 65
    • Views: 44,396
    ScarabEpic22
    January 4th, 2013 Go to last post

  6. 4l80e parameters to prevent TCC from disengaging in 4th gear

    Started by GMCtrk, August 23rd, 2012
    2 Attachment(s)
    • Replies: 62
    • Views: 56,520
    Black6spdZ
    December 9th, 2020 Go to last post

  7. strange acting T42 4L60E combo with 4wd tun file

    Started by harascho, January 9th, 2009
    18 Attachment(s)
    • Replies: 52
    • Views: 37,520
    GAMEOVER
    February 11th, 2011 Go to last post

  8. Need blackbox 4L80E tune for my 4L80E segment swap

    Started by Supercharged111, August 14th, 2013
    1 Attachment(s)
    • Replies: 52
    • Views: 26,828
    Supercharged111
    September 10th, 2013 Go to last post

  9. TCC Modes?

    Started by DrX, June 10th, 2013
    5 Attachment(s)
    • Replies: 51
    • Views: 33,116
    joecar
    October 4th, 2013 Go to last post

  10. Will a 6 pinion planet gear work in 4L65E

    Started by MyM8V8, October 28th, 2009
    14 Attachment(s)
    • Replies: 50
    • Views: 33,002
    Taz
    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
    23 Attachment(s)
    • Replies: 49
    • Views: 35,989
    Mean Green Z28
    January 21st, 2017 Go to last post

  12. Seeking Advice on tuning a heavily modified 4L60E

    Started by HellKnightHicks, October 4th, 2012
    3 Attachment(s)
    • Replies: 45
    • Views: 26,112
    HellKnightHicks
    February 22nd, 2013 Go to last post

  13. T42 config critique

    Started by IJ., April 15th, 2013
    9 Attachment(s)
    • Replies: 43
    • Views: 20,354
    IJ.
    May 2nd, 2013 Go to last post

  14. Loosing 4th once converter is locked

    Started by alian, January 29th, 2011
    3 Attachment(s)
    • Replies: 41
    • Views: 20,042
    alian
    May 6th, 2011 Go to last post

  15. Full line pressure with A4 SD tune

    Started by jnorris, December 23rd, 2005
    1 Attachment(s)
    • Replies: 41
    • Views: 23,799
    Highlander
    February 21st, 2006 Go to last post

  16. d2903 factory set at 10?

    Started by Ritch, March 30th, 2010
    15 Attachment(s)
    • Replies: 39
    • Views: 19,235
    Ritch
    May 20th, 2010 Go to last post

  17. Converter Locking @ WOT, why

    Started by Rhino79, February 6th, 2011
    1 Attachment(s)
    • Replies: 38
    • Views: 21,868
    N0DIH
    November 28th, 2012 Go to last post

  18. Anyway to fool 411 PCM into thinking its connected to 4L60E for TCC operation?

    Started by slow89irocz, July 25th, 2010
    3 Attachment(s)
    • Replies: 36
    • Views: 19,618
    slow89irocz
    July 26th, 2010 Go to last post

  19. 4l80e 4th gear and tcc problem (running from 4L60E segment)

    Started by kkustomz, February 21st, 2010
    7 Attachment(s)
    • Replies: 35
    • Views: 52,760
    joecar
    November 28th, 2011 Go to last post

  20. Tuning a 4L60E with Transgo HD Shift Kit

    Started by blsnelling, October 1st, 2010
    3 Attachment(s)
    • Replies: 34
    • Views: 26,705
    blsnelling
    October 11th, 2010 Go to last post
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