Old School Gale Banks Twin Turbo
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Old School Gale Banks Twin Turbo

  1. #1
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    Default Old School Gale Banks Twin Turbo

    I'm getting ready to start installing this setup on my 454 i have in my Checkmate.
    Anyone have a setup like this and willing to give some advise and pictures of their setup?
    Any input or advise would be greatly appreciated.
    Thanks

    Jason

    I attached a picture of a twin turbo setup i found on internet. Doesn't help much but it is of the same one i will be using.

    Click image for larger version. 

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    Last edited by Maxxum229; 12-28-2017 at 04:57 AM.

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    Some guy obnoxious001's Avatar
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    That is one of the Mercruiser kits that he started selling about the time I was working there, late 70's. They were basically designed to be a "bolt on" kit that went on the Merc exhaust, and provided minimal boost.

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    Quote Originally Posted by obnoxious001 View Post
    That is one of the Mercruiser kits that he started selling about the time I was working there, late 70's. They were basically designed to be a "bolt on" kit that went on the Merc exhaust, and provided minimal boost.
    Yeah i would like to see if anyone has pictures of how they ran their cooling and oil supply for this setup before i start putting mine on my 454.

    Jason

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    Default Installation has begun.

    Quote Originally Posted by obnoxious001 View Post
    That is one of the Mercruiser kits that he started selling about the time I was working there, late 70's. They were basically designed to be a "bolt on" kit that went on the Merc exhaust, and provided minimal boost.

    Well we got the boat in the garage and started the installation. Ran into a few problems. I Have to move my Power Steering pump forward 3/4 of an inch so the Mercruiser exhaust manifold will go on (First Picture). Not sure how i am going to do that, I am already using the front pulley groove for that V-Belt. 2nd issue is that Oil supply inlet for the Turbo seems to be missing a part (2nd Picture). Not sure if this is available or if i have to fabricate one. Any input would be helpful. The other pictures are of my progress.
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  7. #5
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    Quote Originally Posted by Maxxum229 View Post
    Well we got the boat in the garage and started the installation. Ran into a few problems. I Have to move my Power Steering pump forward 3/4 of an inch so the Mercruiser exhaust manifold will go on (First Picture). Not sure how i am going to do that, I am already using the front pulley groove for that V-Belt. 2nd issue is that Oil supply inlet for the Turbo seems to be missing a part (2nd Picture). Not sure if this is available or if i have to fabricate one. Any input would be helpful. The other pictures are of my progress.

    More Progress pictures
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  8. #6
    Member Tahoe540's Avatar
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    Keep the pics coming. Following your thread on OSO too. Did you buy a blow through carb?

  9. #7
    Some guy obnoxious001's Avatar
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    Your photo shows the oil drain side of the turbo, not the inlet which is threaded 1/8" npt.

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    Quote Originally Posted by Tahoe540 View Post
    Keep the pics coming. Following your thread on OSO too. Did you buy a blow through carb?
    It's not a blow through system.

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    Quote Originally Posted by obnoxious001 View Post
    Your photo shows the oil drain side of the turbo, not the inlet which is threaded 1/8" npt.
    Cool thanks.
    Yeah i figured that out after i posted.
    Looks like i will be going with Full Hydraulic Steering so i can get rid of the power steering pump, then the manifold will bolt onto the engine on the port side.

  12. #10
    mo balls than $cents$ IMPATIENT 1's Avatar
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    Quote Originally Posted by obnoxious001 View Post
    It's not a blow through system.
    Could be tho with alil mod here mod there😁

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

    Jetboatperformance.com

  13. #11
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    Default Fabricating the exhaust.

    So what do I need to be sure I do or have done when I fabricate the exhaust from the turbo to the transom.
    It doesn't line up. Any input or suggestions?
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