Blower Fuel Question
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Blower Fuel Question

  1. #1
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    Default Blower Fuel Question

    I HAVE A BLOWER MOTOR THAT I AM PUTTING TOGETHER IN MY GARAGE AND I HAVE CONCERNS ABOUT THE FUEL. QUICKRUN DOWN ON THE MOTOR IS
    433 CU BLOCK IN CANFIELD HEADS SRP 8.5:1 PISTONS BDS 6-71 BLOWER AND TWO 750 DOUBLE PUMPERS UP ON TOP MOTOR WAS BUILT FOR A JET BOAT AND DOES NOT HAVE A HOME AT THIS TIME. NOW FOR THE QUESTION I USED TO RUN 2 660S ON THIS MOTOR AND AN AEROTIVE PUMP AND IT WOULD LEAN OUT @ WOT. I KNOW BIG SUPRISE. WELL TEAGE HAS A POST THAT SAYS YOU COULD RUN THAT AREOMTIVE PUMP IN LINE WITH A MECHANICAL AND YOU WOULD BE GOOD TO 800HP AND THAT SHOULD COVER IT.
    JUST WANTED TO SEE WHAT EVERYONE ELSE THOUGHT?

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  3. #2
    mo balls than $cents$ IMPATIENT 1's Avatar
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    holley makes a 170gph mechanical pump that'd take care of that i've got a barely used(bout 10hrs on it) 1 i'd sell if you're looking it kept a blown 540 with 2 1050 dominators fed up to 7500rpms

    Dare to be different, if it turns out great you can claim you planned it that way.

    Jetboatperformance.com

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    That Would Be Great I Live In Pomona Where Abouts Are You

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    Senior Member cave's Avatar
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    I just went through this with my recent blower motor build. I ended up breaking down and buying a new Aeromotive 11101

    Along with the A1000 bypass regulator

    This solved my pressure drop. I also upgraded the fuel line inside the fuel tanks from 3/8" to 1/2".
    Takin it home

  7. #5
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    I run 2 Aeromotove pumps inline with the mechanicals, and they feed 800 hp. I run the aeromotive fuel regulators at the rail. ( same as Teague suggests)


    Darrell.
    San Diego.

    28ft Sportcat
    With Twins

  8. #6
    Senior Member Fonz69's Avatar
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    Can you run a mechanical pump on your block?

    If so take a look at one of these pumps, I had it on my blown 1000hp+ BBC 540 and it worked great! I spun the motor up to 7000 rpm and it never leaned out or ran out of fuel. On the dyno it never moved 1/10th of a pound in pressure.

    http://www.racepumps.com/

    HI-Tech carries them and is where I got mine from.

    (417) 858-8616 Duane, or Brian

  9. #7
    Senior Member VDRIVERACING's Avatar
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    You really don't need anything exotic or expensive, unless you just have extra money to burn....

    Clay Smith Cams makes a chevy-style mechanical pump for about $120. They are bullet proof, and will feed far more HP than you have. Most of the GN boats (900-1,000 hp range) use these pumps because they are simple, reliable, and effective for our blower motor applications (and they're cheap...).
    Last edited by VDRIVERACING; 05-08-2009 at 06:32 PM.

  10. #8
    Rollin With Fink fasterthanu's Avatar
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    Quote Originally Posted by VDRIVERACING View Post
    You really don't need anything exotic or expensive, unless you just have extra money to burn....

    Clay Smith Cams makes a chevy-style mechanical pump for about $120. They are bullet proof, and will feed far more HP than you have. Most of the GN boats (900-1,000 hp range) use these pumps because they are simple, reliable, and effective for our blower motor applications (and they're cheap...).
    Ditto, what is the motor consumption at WOT for 800 hp maybe 70 gallons per hour on the high side, < double that and your way over good.

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    I appreciate the help guys now all i need is to find a hull that does what i want

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    Senior Member superdave013's Avatar
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    Quote Originally Posted by VDRIVERACING View Post
    You really don't need anything exotic or expensive, unless you just have extra money to burn....

    Clay Smith Cams makes a chevy-style mechanical pump for about $120. They are bullet proof, and will feed far more HP than you have. Most of the GN boats (900-1,000 hp range) use these pumps because they are simple, reliable, and effective for our blower motor applications (and they're cheap...).
    bing bang boom, all the pump (and more) his engine would ever need.

    Not only is the price right, they last forever. Made in USA too if that means anything.
    If you live in Pomona you should just drive over to Clay Smith and pick it up. One of the oldest true speed shops left and super nice people. It's worth the trip.

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    They are way cool over there and have helped alot, im born and raised in fullerton so i have been going there for a while and i bought one

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    Quote Originally Posted by SCSRIVERRAT View Post
    They are way cool over there and have helped alot, im born and raised in fullerton so i have been going there for a while and i bought one
    They are very good people!

  15. #13
    Senior Member oldschool's Avatar
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    Quote Originally Posted by superdave013 View Post
    bing bang boom, all the pump (and more) his engine would ever need.

    Not only is the price right, they last forever. Made in USA too if that means anything.
    If you live in Pomona you should just drive over to Clay Smith and pick it up. One of the oldest true speed shops left and super nice people. It's worth the trip.
    X4. I rplaced the Aeromotive pump with the Clay Smith pump and I'm very happy. I would lose 1-2# pressure with the electric pump, I only changed to the Smith pump and no more pressure lose. Plus, there is less chance of the mechanical leaving you stranded than an electric pump. I'm a firm believer in the K.I.S.S. principal.

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