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Threads 601 to 617 of 617

Forum: 4speed RWD/FWD Transmission Tuning (incl T42)

4L60E, 4L80E, 4T60E etc transmission tuning, incl T42 TCM.

  1. 4l80e parameters to prevent TCC from disengaging in 4th gear

    Started by GMCtrk, August 23rd, 2012
    7 Pages •
    1 2 3 ... 7
    2 Attachment(s)
    • Replies: 62
    • Views: 54,610
    Black6spdZ
    December 9th, 2020 Go to last post

  2. 4l60e TCC Lockup unlocking at 0% throttle

    Started by Mr98z71, November 22nd, 2020
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 14
    • Views: 7,727
    GMPX
    December 10th, 2020 Go to last post

  3. 03 6L 4L80E VSS 1/2 GPS Speed

    Started by TurboCamaro, March 28th, 2021
    3 Attachment(s)
    • Replies: 3
    • Views: 2,698
    nonnieselman
    March 30th, 2021 Go to last post

  4. Question 4L80 T42 problems

    Started by Autovation, May 8th, 2021
    5 Attachment(s)
    • Replies: 4
    • Views: 3,151
    Autovation
    May 28th, 2021 Go to last post

  5. 4L80E TCC release at idle

    Started by robof16, June 14th, 2021
    • Replies: 2
    • Views: 2,320
    robof16
    July 4th, 2021 Go to last post

  6. T-42 stock tune for OS 24252617

    Started by frodo84, December 27th, 2021
    3 Pages •
    1 2 3
    4 Attachment(s)
    • Replies: 22
    • Views: 7,002
    Cougar281
    January 23rd, 2022 Go to last post

  7. 4L80E/4L85E 8.1 TCC Minimum Speed and Factory Lockup-Shift Tuning

    Started by gearheadE30, January 10th, 2022
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 20
    • Views: 8,873
    gearheadE30
    January 27th, 2022 Go to last post

  8. Thumbs down EFILive, please add these options that your competitor did over 8 years ago!

    Started by Black6spdZ, December 9th, 2020
    • Replies: 4
    • Views: 2,915
    Supercharged111
    April 1st, 2022 Go to last post

  9. single wire P/N in gear setting

    Started by turbo, October 30th, 2022
    2 Attachment(s)
    • Replies: 6
    • Views: 1,629
    turbo
    November 3rd, 2022 Go to last post

  10. 4L80E Stock file with 01250003 OS?

    Started by Longslyde, November 5th, 2022
    • Replies: 5
    • Views: 1,525
    Longslyde
    November 13th, 2022 Go to last post

  11. Burning transmissions like marshmallows at a campfire

    Started by smokeysbandit, March 2nd, 2023
    1 Attachment(s)
    • Replies: 2
    • Views: 1,102
    smokeysbandit
    March 6th, 2023 Go to last post

  12. 4l80e Swap with COS5

    Started by whatthekrapp, May 16th, 2022
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 17
    • Views: 4,907
    Black LS1 T/A
    August 10th, 2023 Go to last post

  13. 4L80E 3-4 Large Shift Time Error/TCC Cycling After Shift

    Started by gearheadE30, May 5th, 2022
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 17
    • Views: 6,199
    gearheadE30
    September 6th, 2023 Go to last post

  14. 04140003 OS and 4L80E ....Can it be done with segment swap ?

    Started by RetroAus, November 16th, 2014
    2 Attachment(s)
    • Replies: 5
    • Views: 4,724
    gareth12
    October 26th, 2023 Go to last post

  15. Line Pressure PID for 4L80?

    Started by Supercharged111, March 20th, 2022
    2 Pages •
    1 2
    • Replies: 19
    • Views: 5,987
    dian
    November 6th, 2023 Go to last post

  16. Torque Reduction with High Stall Converter?

    Started by LS1FREEK, November 11th, 2014
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 12
    • Views: 9,309
    dian
    November 16th, 2023 Go to last post

  17. Ls1 12225074 4l60 to 4l80 conversion

    Started by shane, February 13th, 2024
    • Replies: 3
    • Views: 585
    ChipsByAl
    February 15th, 2024 Go to last post
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