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Thread: FUEL LINE SIZE

  1. #1

    FUEL LINE SIZE

    HOW DO YOU DETERMINE WHAT SIZE FUEL LINE TO RUN.I HAVE A BIG BLOCK CHEV WITH A F1R PROCHARGER AND FAST FUEL INJECTION THAT WILL MAKE BETWEEN 1000 TO 1200 HP. I WILL BE USING HARD LINE . ALSO WHAT KIND OF LINE SHOULD I USE, STEEL, STAINLESS OR ALUMINUM.

  2. #2
    Senior Member SENIOR BUILDER
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    I'd use teflon braided hose for your stuff, -12 to the pump, -10 from the pump to rails/regulator, -10 return. I'd stay away from hard line, just to prevent metal fatigue and cracking. Also, the biggest I've seen is aluminum 1/2" line.......
    Mark Goulette
    Owner/Driver of the Livin' the Dream dragster
    www.livinthedreamracing.com
    Speed kills, but it's better than going slow!!!!

  3. #3
    Senior Member RACING JUNKIE TheYellaBrick's Avatar
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    It's also gonna depend on the distance you're pushing the fuel. I agree on the type/size flex hose. Anything but teflon lined will and can develop unseen and almost undetectable cracks and fractures with today's fuels. I'm changing everything of mine to it. LAST thing I want is a preventable fuel leak/fire...
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  4. #4
    Senior Member RACING JUNKIE
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    Re: FUEL LINE SIZE

    Quote Originally Posted by BIGBLOCKCHEV
    HOW DO YOU DETERMINE WHAT SIZE FUEL LINE TO RUN.I HAVE A BIG BLOCK CHEV WITH A F1R PROCHARGER AND FAST FUEL INJECTION THAT WILL MAKE BETWEEN 1000 TO 1200 HP. I WILL BE USING HARD LINE . ALSO WHAT KIND OF LINE SHOULD I USE, STEEL, STAINLESS OR ALUMINUM.
    On the procharger stuff I do -12 to the pump no matter what, -8 up to the fuel log. This is on upto 1900hp procharger stuff. I also would use braided line.
    David Lanning
    IHRA NHRA 387B

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

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