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Forum: Custom Operating Systems

Speed Density, Valet Mode, 2-Step, alpha-N. No Diesel DSP

  1. Talking Sticky Thread Sticky: Custom OS#5

    Started by Black02SS, May 17th, 2006
    35 Pages
    1 2 3 ... 35
    • Replies: 344
    • Views: 165,595
    1 Day Ago Go to last post
  1. LS1B 1bar SD COS

    Started by hrspwr, October 7th, 2020
    2 Pages
    1 2
    • Replies: 12
    • Views: 656
    5 Days Ago Go to last post
  2. Go back to original operating system?

    Started by bad boyz racing, September 3rd, 2012
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,663
    September 16th, 2020 Go to last post
  3. P59 COS3 04073003 flex fuel issues

    Started by dmaxguy2008, July 30th, 2020
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 2,117
    August 4th, 2020 Go to last post
  4. Turbo ls breakup/flutter/ bouncing boost gauge

    Started by dmaxguy2008, June 29th, 2020
    2 Pages
    1 2
    break up turbo spark
    • Replies: 12
    • Views: 2,008
    July 28th, 2020 Go to last post
  5. HELP! FEQ_AES_DMA is adding fuel?

    Started by dmaxguy2008, May 19th, 2020
    cos3, idle, rich
    • Replies: 2
    • Views: 2,349
    May 27th, 2020 Go to last post
    • Replies: 4
    • Views: 1,698
    May 12th, 2020 Go to last post
    • Replies: 24
    • Views: 4,528
    April 17th, 2020 Go to last post
  6. COS question for LS1B

    Started by 2002_z28_six_speed, April 3rd, 2020
    • Replies: 4
    • Views: 2,196
    April 16th, 2020 Go to last post
  7. Cruise control DBW 03190003 OS

    Started by derkscustomcars, August 14th, 2017
    • Replies: 1
    • Views: 3,836
    March 4th, 2020 Go to last post
  8. Since GM tuning is ending...

    Started by LSxPwrdZ, January 24th, 2019
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,580
    January 26th, 2020 Go to last post
  9. complete noob needs help opening a .tun file

    Started by jeeper, October 31st, 2019
    • Replies: 8
    • Views: 4,645
    November 5th, 2019 Go to last post
  10. complete noob needs help opening a .tun file

    Started by jeeper, October 31st, 2019
    • Replies: 1
    • Views: 3,169
    October 31st, 2019 Go to last post
    • Replies: 2
    • Views: 2,011
    October 21st, 2019 Go to last post
  11. Os 04073005

    Started by SS2win, August 20th, 2019
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,395
    October 13th, 2019 Go to last post
  12. B1703 not Showing in the E-38 COS

    Started by lbl866@aol.com, January 12th, 2019
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,949
    August 5th, 2019 Go to last post
    • Replies: 6
    • Views: 1,462
    June 26th, 2019 Go to last post
  13. Upgrading to COS E40 ECM

    Started by sonicgroove, December 4th, 2018
    • Replies: 8
    • Views: 1,983
    December 12th, 2018 Go to last post
  14. 2005 Silverado Installing ethanol content sensor

    Started by Andyb756, October 3rd, 2018
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,766
    October 29th, 2018 Go to last post
    • Replies: 19
    • Views: 3,878
    August 15th, 2018 Go to last post
  15. COS5 N2O Timing Table Activation Limits

    Started by aaronc7, July 18th, 2018
    • Replies: 5
    • Views: 1,493
    July 23rd, 2018 Go to last post

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