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Thread: fuel system design

  1. #1
    Junior Member SHOW GUEST
    Join Date
    Sep 2007
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    1

    fuel system design

    Running a 351w with around 500hp. Trying to figure out a good place to start. Thinking 8an fuel line with 50gph fuel pump and 700cfm carb. Does this sound close? Should I run a pressure gauge or regulator?

    Thanks

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2003
    Location
    Coldwater, MI
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    2,998

    Re: fuel system design

    Quote Originally Posted by gncsoul
    Running a 351w with around 500hp. Trying to figure out a good place to start. Thinking 8an fuel line with 50gph fuel pump and 700cfm carb. Does this sound close? Should I run a pressure gauge or regulator?

    Thanks
    I assume gas here, a holley black pump is what I would look at. -8 from back to regulator in front by carb -8 out of regulator to carb. Yes on gauge you will need to set the pressure with the regulator.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  3. #3
    Senior Member DYNO OPERATOR
    Join Date
    Aug 2007
    Location
    Lost Creek, WV
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    533

    Re: fuel system design

    Quote Originally Posted by hammertime
    Quote Originally Posted by gncsoul
    Running a 351w with around 500hp. Trying to figure out a good place to start. Thinking 8an fuel line with 50gph fuel pump and 700cfm carb. Does this sound close? Should I run a pressure gauge or regulator?

    Thanks
    I assume gas here, a holley black pump is what I would look at. -8 from back to regulator in front by carb -8 out of regulator to carb. Yes on gauge you will need to set the pressure with the regulator.
    I would agree with hammer!

    TS1955

  4. #4
    Senior Member RACING JUNKIE
    Join Date
    May 2006
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    2,044
    Actually jegs sells a 'generic' electric pump kit which is probably just a Holley blue or black in diguise anyway.

    I bought one for the boys mustang (351W), regulator even had the holley insignia on it.

    Run # 8 line to the engine bay and set the regulator @ 6.5 to 7 psi and your good to go.

    I'd go with a 750 cfm carb though.

    JMO> Cp
    ***IN GOD WE TRUST***

  5. #5
    Senior Member MASTER BUILDER
    Join Date
    Mar 2008
    Posts
    173

    carb sized

    i definitely agree with cepx11 on upping the carb size to 750

  6. Racing Junk


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