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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
    36 Pages
    1 2 3 ... 36
    • Replies: 354
    • Views: 375,283
    April 15th, 2022 Go to last post
  1. 2 step possible blown motor 😡

    Started by bstuder11, September 25th, 2016
    2 Pages
    1 2
    • Replies: 11
    • Views: 811,158
    September 26th, 2016 Go to last post
  2. Show me your A0014's

    Started by vetteboy2k, March 31st, 2006
    7 Pages
    1 2 3 ... 7
    • Replies: 60
    • Views: 41,419
    November 26th, 2012 Go to last post
  3. Cos3 01270003 to Cos 5 02020005. Wont start now

    Started by SuperStepside, January 16th, 2016
    2 Pages
    1 2
    • Replies: 19
    • Views: 32,469
    September 11th, 2017 Go to last post
  4. Valet mode finally

    Started by ringram, April 15th, 2006
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 31,412
    January 25th, 2008 Go to last post
  5. Can't get this right

    Started by eclispe1, January 28th, 2010
    5 Pages
    1 2 3 ... 5
    • Replies: 49
    • Views: 28,531
    March 27th, 2010 Go to last post
  6. Formal Request for COS5 for 1MB PCMs (04 GTO, etc)

    Started by Kevin Doe, December 4th, 2007
    5 Pages
    1 2 3 ... 5
    • Replies: 44
    • Views: 24,974
    August 29th, 2015 Go to last post
  7. B4005 Small Pulse Adjust How does GM create this table?

    Started by onfire, July 17th, 2007
    5 Pages
    1 2 3 ... 5
    • Replies: 44
    • Views: 24,868
    December 2nd, 2008 Go to last post
  8. Help with tune adjustments

    Started by SuperChevy, May 27th, 2011
    6 Pages
    1 2 3 ... 6
    • Replies: 58
    • Views: 23,569
    June 13th, 2011 Go to last post
  9. COS help?

    Started by yzriders182, February 19th, 2013
    4 Pages
    1 2 3 ... 4
    • Replies: 33
    • Views: 22,980
    August 8th, 2013 Go to last post
  10. Concerned and aggrivated

    Started by Whippled 496, April 1st, 2008
    5 Pages
    1 2 3 ... 5
    • Replies: 45
    • Views: 22,970
    February 9th, 2009 Go to last post
  11. Just finished my COS tune and no start

    Started by yzriders182, March 30th, 2013
    6 Pages
    1 2 3 ... 6
    • Replies: 56
    • Views: 22,689
    April 8th, 2013 Go to last post
  12. COS 5 Help Needed Here...Please

    Started by tatasta, April 13th, 2011
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 22,469
    May 11th, 2011 Go to last post
  13. Trouble loading 2002 OS in 1999 PCM

    Started by Beer99C5, May 5th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 36
    • Views: 22,161
    October 9th, 2007 Go to last post
  14. 2005 to 2007 OS

    Started by sehunter, April 26th, 2008
    • Replies: 5
    • Views: 22,132
    August 21st, 2008 Go to last post
  15. E40 2 bar Dyn Air dropping and so is fueling and everything else

    Started by Highlander, April 2nd, 2012
    4 Pages
    1 2 3 ... 4
    • Replies: 34
    • Views: 21,831
    March 9th, 2015 Go to last post
  16. Os Faq

    Started by TAQuickness, August 27th, 2006
    2 Pages
    1 2
    • Replies: 15
    • Views: 21,787
    June 15th, 2008 Go to last post
  17. V2 asking for license again

    Started by GAMEOVER, October 6th, 2009
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 21,148
    December 12th, 2009 Go to last post
  18. segment swap in COS5

    Started by B18B1LS1, May 22nd, 2017
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 21,034
    June 12th, 2017 Go to last post
  19. COS3 cold lean startup solution

    Started by Whippled 496, January 6th, 2007
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 20,735
    January 28th, 2007 Go to last post
  20. WTF....i want a COS5

    Started by Kurtomac, April 27th, 2009
    4 Pages
    1 2 3 ... 4
    • Replies: 33
    • Views: 20,411
    August 14th, 2011 Go to last post

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