New Twin Turbo Project
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New Twin Turbo Project

  1. #1
    LP-25.com Infomaniac's Avatar
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    Default New Twin Turbo Project

    We were fortunate enough to buy back a boat that we had owned 11 years ago. We bought this Seebold 21' boat in the mid 90's sold it when we bought a new Ultra in 2001. Sold the Ultra this year and bought it back.

    A very rare kevlar model. The hull weighs only about 750 lbs. It has a pad that it rides on and a high X dimension Alpha SS drive. We had a pump gas 400 SBC in it aluminum heads and B&M 250 blower. It would run 91 -93 MPH.

    It came back with the 350 I built for it to sell and a 144 B&M blower. Mrs. Infomaniac hates the scoop. I told her we could get rid of the scoop if we put twin turbos on it. She said OK !! lol

    Someone had changed the engine hatch and put some ugly interior in it. I have a 383 and a decent pair of turbos to go on it. All I have to do is change the interior and remove the scoop for her.

    Easy 100 MPH pump gas family boat for next year.
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    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


    QE 439 Twin Turbo
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  3. #2
    Senior Member isanger's Avatar
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    Very cool to see the boat come back to ya. Can't wait to see this project come together.
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  4. #3
    Senior Member stoker2001's Avatar
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    The Alpha might wimper a bit wid twin turbos pushing it...
    Whacker Smacker M/E #561 IHBA "first looser"champ 2006&2007&Sportsman Driver of the Year
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  6. #4
    LP-25.com Infomaniac's Avatar
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    Quote Originally Posted by stoker2001 View Post
    The Alpha might wimper a bit wid twin turbos pushing it...
    It's a beast of a drive. It has lasted all these years and several with quite a bit of power in front of it.

    No hole shots planned. The boat is light as a feather also.
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


    QE 439 Twin Turbo
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  7. #5
    "BEER BUDGET RACING" Bodean's Hammer's Avatar
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    What do you have planned for the enternals on the 383?
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  8. #6
    LP-25.com Infomaniac's Avatar
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    Quote Originally Posted by Bodean's Hammer View Post
    What do you have planned for the enternals on the 383?
    It's an engine Ive had around for 6 or 7 years. Crower rotating assembly. Hydraulic roller cam and Brodix alum heads. Gear drive main and head studs.
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


    QE 439 Twin Turbo
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  9. #7
    Or Seth, either one Budweiser's Avatar
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    What turbos do you plan to use?

    Are you just going to adapt them to the center rise manifolds?

    Good lookin boat! Congrats.
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  10. #8
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    A pair of 63mm turbos Unchained ran a few years back. A bit big but what I have lying around.

    Yes going on top of the Eddie Marine manifolds. Will put a blanket on the hot sections wrap the exhaust where the o2 sensor is and dump water in the end before the rubber couplings.
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


    QE 439 Twin Turbo
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  11. #9
    Diesel Pimp WINspeed's Avatar
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    Very nice!
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  12. #10
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    Very cool, I always enjoy your your build threads. I just dont understand how you can bear to live with such an ugly view lol. Good luck with it, I know it will be killer.
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  13. #11
    "BEER BUDGET RACING" Bodean's Hammer's Avatar
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    On pump gas right?
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  14. #12
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    Quote Originally Posted by Bodean's Hammer View Post
    On pump gas right?
    Yea but considering e-85
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


    QE 439 Twin Turbo
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  15. #13
    Senior Member wajetboy's Avatar
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    cool build!
    1978 Southwind Tunnel Dragster/1980 SWTD center steer
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  16. #14
    Junior Member GASDAWG's Avatar
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    Default Blower

    Hello there ...Are you selling the blower setup?
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