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Thread: VVE Sense Check - This looks Wrong!

  1. #1
    Senior Member Behold's Avatar
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    Apr 2010
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    Default VVE Sense Check - This looks Wrong!

    So helping a friend and we came across this 2 bar VVE table.

    Is it just me or is this just plain wrong. I'm taking it the only way this could work is if PE modifiers are fixing the fueling over about 80kpa???
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    -----------------------------------------------------------------------------------------
    Thanks Antony

    Holden Commodore GTS - LS1 5.7
    12 rib Crank Driven Vortech V2 Centri Charger (Intercooled) 9 PSI.
    LS6 Intake
    LS6 Heads
    YT 1.7 Roller Rockers
    BTR Dual Spring with Ti retainers
    BTR Hardend 7.400 Push rods
    Comp Cam JAMCAM
    2 Bar Map
    Mafless
    LS2 Coils

    PCM LS1B with 512KB Running COS5 v01290005

  2. #2
    Joe (Moderator) joecar's Avatar
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    Hey Antony,

    The 1-bar VVE table is correct... the 2-bar and 3-bar (whichever one will be used) need to be fixed up and corrected

    ( and you will have to redefine the VVE zone boundaries ).

  3. #3
    Lifetime Member GMPX's Avatar
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    Quote Originally Posted by Behold View Post
    So helping a friend and we came across this 2 bar VVE table.
    Yes it is horrible, but Holden never needed to account for 2bar so it does taper off pretty bad beyond 100kPa.
    I no longer monitor the forum, please either post your question or create a support ticket.

  4. #4
    Senior Member Behold's Avatar
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    The car is meant to be tuned for 9 psi.....

    The map sensor was incorrectly scaled to around 1.1 bar and kind of runs although a bit rich and lean at times.

    So in theory if I was to take the 1 bar and stretch it in to the 2bar. (I know what kpa is really against the incorrect scale.) it would be fine once the map sensor reads right.

    I take it there will be some adder tables a bit messed up. What else? I'm doubting all the tables are scaled down. Timing maybe.

    Thanks all.
    -----------------------------------------------------------------------------------------
    Thanks Antony

    Holden Commodore GTS - LS1 5.7
    12 rib Crank Driven Vortech V2 Centri Charger (Intercooled) 9 PSI.
    LS6 Intake
    LS6 Heads
    YT 1.7 Roller Rockers
    BTR Dual Spring with Ti retainers
    BTR Hardend 7.400 Push rods
    Comp Cam JAMCAM
    2 Bar Map
    Mafless
    LS2 Coils

    PCM LS1B with 512KB Running COS5 v01290005

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