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  1. #1
    "Project Storm Trooper"


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    Tony
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    Default pulleying Prochargers

    ok, so i may be over thinking all this but.....here it is

    currently my set up is for a maxed out P1sc, but i am thinking about getting a F1-A so i have room to "grow" down the road

    A P1sc Maxes 1200CFM @ 62,000RPM
    A F1-A Maxes 1575CFM @ 74,000RPM

    equation is; Crank pulley / Blower Pulley X Blower Ratio X Engine RPM

    so for a F1-A, 7.65 Crank / 5.25 Blowe X 5.40 X 6200 = 48,785RPM

    48785/74000=65%

    so 65% of a F1-A would put me at 1,023 CFM

    is my though process correct?

    -Tony
    Last edited by CamaroZGuy; 07-25-2014 at 12:32 PM.

    Official Member of $30k Club ​- Work in progress
    1993 Z28- 24x EFI, Clayton Racing 383ci, F1a w/FMIC, AFR 210's, LE Custom cam, LE LT4 Intake/heads, 80# injectors, 255lph/340lph pumps, T56 Conversion, 9" 4.11 w/spool, LPP LT w/Borla, Full UMI suspension....
    1987 Iroc-Z - Stock Summer DD

  2. #2
    "The Rock"


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    Default

    No idea...lol. just call procharger.


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  3. #3

    Default

    Run the F1A at current setup and wastegate the cold side.

    All teh low end boost
    Correlation does not imply causation.

    Una salus victis nullam sperare salutem

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  5. #4

    Default

    Pretty sure your math is correct

  6. #5
    Overworked/Underpaid


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    Peter Alpiger
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    Default

    Based off the numbers you put up in the equation, you're actually gonna be at 1038 CFM (rounding down the .33). That puts you at 65.9% of max.
    96 Trans Am WS6 LT1 M6: 10/7/11 - current: 245.7 RWHP / 266.2 RWTQ - 14.462s @ 98.28 MPH
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  7. #6
    "The Rock"


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    Default

    Just do it man... f1a for 2500 sounds like a deal to me...


    Our BIG MOMENT @ the 2012 LTXshootout

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    1996 Camaro Z28: RIP 09/25/2016

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    1996 Impala SS H/C, LT, with true dual exhaust, 4.10s, lowered, with CPT trans, many cosmetic mods, and a whole lot more to come...

    2002 Caddilac EscaladeL CAI, lowered, 6.0 , AWD..





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