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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: Tool to help tune A4 shift points...

    Started by SSpdDmon, August 1st, 2007
    6 Pages •
    1 2 3 ... 6
    6 Attachment(s)
    • Replies: 55
    • Views: 99,750
    joecar
    February 6th, 2017 Go to last post

  2. Sticky Thread Sticky: How about a transmission tuning tutorial!

    Started by Redline Motorsports, January 12th, 2006
    16 Pages •
    1 2 3 ... 16
    6 Attachment(s)
    • Replies: 155
    • Views: 228,340
    joecar
    October 3rd, 2020 Go to last post

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

    Started by recrit, July 11th, 2021
    2 Pages •
    1 2
    • Replies: 13
    • Views: 11,328
    recrit
    August 3rd, 2021 Go to last post

  4. Sticky Thread Sticky: 4L60E Reference Material

    Started by joecar, January 11th, 2007
    4 Pages •
    1 2 3 ... 4
    12 Attachment(s)
    • Replies: 35
    • Views: 176,406
    joecar
    November 23rd, 2022 Go to last post

  5. Sticky Thread Sticky: 4L80E Reference Material

    Started by joecar, January 11th, 2007
    3 Pages •
    1 2 3
    10 Attachment(s)
    • Replies: 21
    • Views: 113,011
    joecar
    February 18th, 2015 Go to last post

  6. Sticky Thread Sticky: Torque Converters

    Started by joecar, October 5th, 2010
    4 Attachment(s)
    • Replies: 0
    • Views: 14,866
    joecar
    October 5th, 2010 Go to last post

  1. vz v6 4l60

    Started by zrx1200, December 21st, 2007
    1 Attachment(s)
    • Replies: 8
    • Views: 6,346
    Biggsy
    March 21st, 2008 Go to last post

  2. 4L80-E 3/2 shift solenoid

    Started by ZigBlazer, June 21st, 2010
    • Replies: 5
    • Views: 8,341
    joecar
    May 18th, 2011 Go to last post

  3. Question Way too soft 1-2 wot shifts

    Started by ZAPPA, October 31st, 2013
    1 Attachment(s)
    • Replies: 4
    • Views: 3,186
    ZAPPA
    November 1st, 2013 Go to last post

  4. Question 4l80 torque conv not unlocking on acceleration in top

    Started by ZAPPA, February 20th, 2014
    1 Attachment(s)
    • Replies: 5
    • Views: 2,930
    ZAPPA
    February 24th, 2014 Go to last post

  5. speed vs, rpm?

    Started by ytry, May 17th, 2006
    • Replies: 2
    • Views: 3,703
    ytry
    May 18th, 2006 Go to last post

  6. trany slipping?

    Started by ytry, May 27th, 2006
    • Replies: 7
    • Views: 5,631
    joecar
    May 28th, 2006 Go to last post

  7. 2400 stall do I need to tune?

    Started by ytry, July 11th, 2006
    • Replies: 0
    • Views: 3,188
    ytry
    July 11th, 2006 Go to last post

  8. trans slipping ?

    Started by ytry, May 22nd, 2007
    • Replies: 1
    • Views: 2,843
    joecar
    May 22nd, 2007 Go to last post

  9. 4l60e stock tune

    Started by ytry, August 14th, 2007
    • Replies: 4
    • Views: 6,840
    ytry
    August 14th, 2007 Go to last post

  10. E38 & T42 Compatibility

    Started by Yellow05C6, March 9th, 2017
    • Replies: 2
    • Views: 3,876
    samuelkl
    August 5th, 2017 Go to last post

  11. Question 4l80 swap os numbers needed

    Started by yellogsxr, September 1st, 2018
    • Replies: 4
    • Views: 7,180
    74n72impalalq94l80
    April 24th, 2019 Go to last post

  12. Question T56 to 4L60e conversion

    Started by xSandbagger, October 2nd, 2008
    • Replies: 1
    • Views: 3,727
    ChipsByAl
    October 2nd, 2008 Go to last post

  13. 97 yukon, 411, 4l60e

    Started by W_D_R, October 10th, 2008
    2 Attachment(s)
    • Replies: 5
    • Views: 4,792
    W_D_R
    October 17th, 2008 Go to last post

  14. tranny logging

    Started by ws6togo, May 1st, 2006
    • Replies: 4
    • Views: 4,286
    ws6togo
    May 7th, 2006 Go to last post

  15. new stall will not rev

    Started by woody69, January 20th, 2007
    • Replies: 3
    • Views: 3,783
    joecar
    January 20th, 2007 Go to last post

  16. 3000 stall will not lock up

    Started by woody69, April 9th, 2007
    2 Pages •
    1 2
    • Replies: 10
    • Views: 7,897
    Round Rock TJ
    April 24th, 2007 Go to last post

  17. new tune for my 07 Chevy Express

    Started by Wolfie, July 30th, 2011
    • Replies: 1
    • Views: 2,362
    joecar
    July 30th, 2011 Go to last post

  18. 4L80E downshift firmness question

    Started by Wolfie, February 7th, 2012
    2 Pages •
    1 2
    • Replies: 13
    • Views: 8,953
    slow67
    April 9th, 2012 Go to last post

  19. What pid's to log when...

    Started by WiseGuyZ06, June 2nd, 2007
    • Replies: 4
    • Views: 3,198
    WiseGuyZ06
    June 3rd, 2007 Go to last post

  20. What PID to log for converter slippage?

    Started by WiseGuyZ06, September 24th, 2007
    • Replies: 2
    • Views: 6,798
    WiseGuyZ06
    September 25th, 2007 Go to last post
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