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Thread: Custom OS#5

  1. #341
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    I have all those and also selected Volumetric Efficiency for v8 just in case.
    My biggest problem with this system is figuring out what pids are needed for each map . Is there some way to find that ? A tutorial on that?
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  2. #342
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    For COS5 it tells you to ground PIN 56 on the RED Connector of the RED/BLUE ECU. What is the PIN on the GREEN/BLUE ECU ? Is it the same ? PIN 56 ?

  3. #343
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    Quote Originally Posted by ne0c0de View Post
    For COS5 it tells you to ground PIN 56 on the RED Connector of the RED/BLUE ECU. What is the PIN on the GREEN/BLUE ECU ? Is it the same ? PIN 56 ?
    COS5 is not available on 1MB PCMs that use green/blue connectors, only 512kb ones that use red/blue.
    ~Erik~
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  4. #344
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    Quote Originally Posted by ScarabEpic22 View Post
    COS5 is not available on 1MB PCMs that use green/blue connectors, only 512kb ones that use red/blue.
    Thanks Erik

  5. #345
    Joe (Moderator) joecar's Avatar
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    COS5 is only available for OS 12212156 which runs on 0411 PCM.

  6. #346
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    Quote Originally Posted by GMPX View Post
    V4 was going to be the N20 options only, but in the end it was possible to squeeze everything in to one O.S, though, on the later 2004+ O.S's this might not be possible. There is a few cars in Aus running O.S #4, it's been out for a long time, but these were only used by workshops for N2O cars only.
    I had to a custom O.S #3 for a 2006 Hummer and that was pretty much full up so I am not sure how far we can go!.
    Besides, nearly all 2003+ O.S' are used on ETC applications, I am not sure the TPS VE table would work too well on them.

    Cheers,
    Ross
    I am looking at using N20 on a VZ is there anywhere I can access the custom operating system 04 so I can control the Nos?
    Thanks

  7. #347
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    Quote Originally Posted by joecar View Post
    COS5 is only available for OS 12212156 which runs on 0411 PCM.
    hmmmm
    "All that is needed for the triumph of evil is that good men do nothing..."

  8. #348
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by Highlander View Post
    hmmmm
    It is also available for Holden OS 12225074.

    And it runs on various PCM's that are compatible with either of those OS's (12225074, 12212156).

    Thanks

  9. #349
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    I used Cos5 on my 2001 Camaro.
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  10. #350
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by BowlingSS View Post
    I used Cos5 on my 2001 Camaro.
    I did same on my 2001 TA...

    I changed OS from 12202088 (2001 F-car) to 12212156 (2002 F-car), and then upgraded to COS5.

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