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Thread: Anybody know the difference: GM stage2 and new update GM stage2 flash?

  1. 10-24-2006 #1
    Denny
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    Anybody know the difference: GM stage2 and new update GM stage2 flash?

    Anybody know the difference? Timing?A/F?VE table?
    Last edited by Denny; 10-24-2006 at 10:25 AM.
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  2. 10-24-2006 #2
    c24s/c
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    Yup.

    Basically three things were changed in the GM stage update.
    1 Idle RPM was raised from 750 to 850 in PARK/Neutral from 177degrees on up
    2 Injector offset vs Battery Voltage was changed to stabalize the changing idle.
    3 Maf Sensor fail rate was upped from 10,000hz to 11,000hz to elliminate the CEL light

    This is from an nice guy on the redline forum.

    Nate
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  3. 10-25-2006 #3
    Denny
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    Thanks Nate. There's a lot of very knowledgable people in the redline forums.... Those guy's have a lot more experience with the LSJ then us Cobalt guy's...
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  4. 10-27-2006 #4
    [email protected]
    meister@steeda.ca is offline
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    Don't forget the IFR tables are still WRONG. Air fuel is TERRIBLY LEAN down low and TERRIBLY RICH up top....

    I am sorry to say it, and I know it sounds harsh but GM has no clue what is going on
    Paul Meister
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  5. 10-27-2006 #5
    NoRemorse
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    Quote Originally Posted by [email protected]
    Don't forget the IFR tables are still WRONG. Air fuel is TERRIBLY LEAN down low and TERRIBLY RICH up top....

    I am sorry to say it, and I know it sounds harsh but GM has no clue what is going on
    How many staged vehicles have you seen that you can actually make a statement like that?
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  6. 10-27-2006 #6
    [email protected]
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    I have seen their factory and performance tunes....it is all i need to see
    Paul Meister
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    twin turbo 03 cobra - 730rwhp on pump gas
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  7. 10-27-2006 #7
    Denny
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    Quote Originally Posted by NoRemorse
    How many staged vehicles have you seen that you can actually make a statement like that?
    I agree with NoRemorse that is a strong statement.
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  8. 10-27-2006 #8
    Denny
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    Quote Originally Posted by [email protected]
    I have seen their factory and performance tunes....it is all i need to see
    what is it that is so wrong about the way GM techs tuned the SS/SC or any other GM?
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  9. 10-28-2006 #9
    c24s/c
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    Quote Originally Posted by [email protected]
    Don't forget the IFR tables are still WRONG. Air fuel is TERRIBLY LEAN down low and TERRIBLY RICH up top....

    I am sorry to say it, and I know it sounds harsh but GM has no clue what is going on

    mmm... ifr tables? new to the lsj platform...but im drawing a blank..unlrss u meant afr?
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  10. 10-29-2006 #10
    Julex
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    Not AFR he's talking about the Injector fueling table. I don't think they don't know what they are doing, I just think they aren't actually testing these reflashes as much as they should. Anyone who drives their cobalt with a stage reflash feels the hesitations.
    06 Cobalt SS SC
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    13.701 @ 103 Mph
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    14.295 @ 102 Mph

    02 TURBO Cavy 2200
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  11. 10-31-2006 #11
    mugencivicsi
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    amen

    Quote Originally Posted by Julex
    Not AFR he's talking about the Injector fueling table. I don't think they don't know what they are doing, I just think they aren't actually testing these reflashes as much as they should. Anyone who drives their cobalt with a stage reflash feels the hesitations.
    amen to that.....
    i think GM is forcing these engineers to make quick fixes for the 2.0L SC
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