[Question] Show me your linkage and fuel line setup.
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Show me your linkage and fuel line setup.

  1. #1
    Senior Member jet460's Avatar
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    Default Show me your linkage and fuel line setup.

    THINKING about switching from a pair of inline 450's to a set of 600dp's for my new motor.
    Problem is, I have no clue how to set up the linkage or fuel lines, since these things have to sit sideways.
    I am way out of the loop here.
    Please show me yours, and tell me what you have and where you got it.
    I am always on the road and just don't have the opportunity to hang out in speed shops like I did 20 years ago.
    100 years from now, none of this will matter.

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  3. #2
    Senior Member ICECREAMAN's Avatar
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    Here's a couple links showing the most common way to do dual carbs. You can usually find a lot of these parts used if you ask around.
    http://www.summitracing.com/parts/edl-7071/overview/
    Polished Aluminum Supercharger Fuel Line & Log Kit - CP Performance

  4. #3
    just a ski boat with bark Carnivalride's Avatar
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    Well here's mine.
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    Quote Originally Posted by gn7 View Post
    Carnivalride, you really need to find some other hobby. You have no talent for this boat thing

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    "BOATLESS" blender over's Avatar
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    I use hard line from the carbs to a (t) fitting, then I made my own fuel rail, not the best but it will work, its -8 from the pump then goes to -6 at the first (t) fitting.
    I bought my carb linkage from Jegs., its the same setup as the post above mine.
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    Last edited by blender over; 02-21-2014 at 08:17 AM.

  7. #5
    Senior Member TNYoungblood's Avatar
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    There was a kit in the parts sale thread
    WFLC The REAL #321 Kentucky Drag Boat Association 2016 NJBA 10.0 High Points Champ

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    Senior Member jetboatperformance's Avatar
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    One from last year I'll find the pic of the other side too...

  9. #7
    Senior Member jet460's Avatar
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    Wow that is some nice stuff.
    Everyone's boats are so much sexier than mine...
    100 years from now, none of this will matter.

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    Carnivalride where did I you get that bracket between the carbs like that?


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  11. #9
    just a ski boat with bark Carnivalride's Avatar
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    Quote Originally Posted by 525SC777 View Post
    Carnivalride where did I you get that bracket between the carbs like that?


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    I made it.
    Quote Originally Posted by gn7 View Post
    Carnivalride, you really need to find some other hobby. You have no talent for this boat thing

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    A friend of mine has one too, his is for dominator carbs not sure how close they are? Do you have a scanner that you could trace it and email it to me?


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  13. #11
    LP-25.com Infomaniac's Avatar
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    This is the same engine. One pic with the bypass in the return line in view and one at an electric pump outlet returning to the tank.
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    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


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  14. #12
    Senior Member jet460's Avatar
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    It turns out I have to run these carbs inline, and with the 10 3/4" center to center spacing, they will be pretty much touching each other. I have no idea how to plumb this.
    Anyone have a good pic of a pair of 650 DP dual feed carbs inline with all the plumbing?
    100 years from now, none of this will matter.

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    I bought both of these from ebay and all my an fittings from Red Horse. Came out nice for running the carbs Pro Style. Linkage was a little tricky to get fine tuned but very clean once it's all dialed.
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  16. #14
    Senior Member jet460's Avatar
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    I have to run them inline, not at 90 degrees.
    I think I have it figured out....maybe.

    Pair of these, inlets pointed away from each other---into 90* fittings----into a Y----to the pump.

    http://www.summitracing.com/parts/rus-641090/overview/


    It's all over the place, but should work.
    I have to slot the base plate holes too, because the carbs hit each other in the middle by about 1/8".
    100 years from now, none of this will matter.

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