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Thread: Math for the VE multiplier

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  1. #1
    Lifetime Member Beer99C5's Avatar
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    OK just to make sure I understand...



    Based on Dry Log...


    Gives me something like this



    For KR combined shot...



    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



  2. #2
    Lifetime Member Doc's Avatar
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    Are you not running a upgraded pump and wiring kit? I can't remember.

    2000 Silverado Full Size 4x4: Forged 6.2, H/C F1R Procharger
    98A4 Z28: 02 PCM H/C Forged 347, 9" Moser 3.73
    V1 V2 99+up RR COS #5 OLSD Dual Stg N20
    www.efialchemy.com
    www.greatamericancarwar.com

  3. #3
    Lifetime Member Beer99C5's Avatar
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    Quote Originally Posted by Doc
    Are you not running a upgraded pump and wiring kit? I can't remember.
    Yes have the Racetronix pump and hotwire kit...

    Seems to have been a waste of time and money, shoulda just done a BAP with the stocker.
    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



  4. #4
    Lifetime Member Doc's Avatar
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    Have you tried logging batt V / monitor Alt output? I found that my stock alt couldn't keep up with running the fans more, bottle heater, LC-1, FP sensor, Big Bon Jovi stereo, etc. Granted the Vette has a larger alt than the Fbody but, still before you condem the pump you have to ask yourself is it getting enough juice?

    2000 Silverado Full Size 4x4: Forged 6.2, H/C F1R Procharger
    98A4 Z28: 02 PCM H/C Forged 347, 9" Moser 3.73
    V1 V2 99+up RR COS #5 OLSD Dual Stg N20
    www.efialchemy.com
    www.greatamericancarwar.com

  5. #5
    Lifetime Member Beer99C5's Avatar
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    Quote Originally Posted by Doc
    Have you tried logging batt V / monitor Alt output? I found that my stock alt couldn't keep up with running the fans more, bottle heater, LC-1, FP sensor, Big Bon Jovi stereo, etc. Granted the Vette has a larger alt than the Fbody but, still before you condem the pump you have to ask yourself is it getting enough juice?
    LOL Bon Jovi? You from Jersey? What Exit

    I will check it out and log voltages, but back on topic...is the math on track that I got going?
    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



  6. #6
    Lifetime Member Doc's Avatar
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    I think you are on track for with the math but, I wouldn't want you trying to enrich to overcome a possible physical/electrical weakness of your fuel system.

    2000 Silverado Full Size 4x4: Forged 6.2, H/C F1R Procharger
    98A4 Z28: 02 PCM H/C Forged 347, 9" Moser 3.73
    V1 V2 99+up RR COS #5 OLSD Dual Stg N20
    www.efialchemy.com
    www.greatamericancarwar.com

  7. #7
    Lifetime Member Beer99C5's Avatar
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    Quote Originally Posted by Doc
    I think you are on track for with the math but, I wouldn't want you trying to enrich to overcome a possible physical/electrical weakness of your fuel system.
    I am actually trying to lean out the 10.9 to get mid 11's-11.8 at the tail end of the dry nitrous runs. The richening is in the beginning and is less than a second.
    1999 C5 A-4 Convertible
    1 of 245 Nassua Blue 99 Vert's, Blackwing, LS6 Intake, 42 # Injectors, Two Stage Nitrous System- Dry and a Wet Plate, EFI Live Scan/Tune V2, 1999 PCM with 2002 COS 5 OS Custom Nitrous Panel.


    Maine USA



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