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Thread: 455 Olds header install

  1. #1

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    455 Olds header install

    I am a newbie to jet boats. I always wanted one. Not new to engines and boats in general though. So heres my question. On my boat it still has the original exhausts with snails. One the exhaust there is a water input into water jacket and an output that injects into snail and out the hull. I have a set of Barrett Twisties that I will be installing. They have a small water line that runs to each cylinder. I don't think this is big enough to flow enough water outta engine. So how do I run the lines coming outta motor and to each header to fow enough water to keep engine cool?

  2. #2
    Team Dirt Bag NUTTZ T8er S.'s Avatar
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    Re: 455 Olds header install

    Last edited by T8er S.; 12-30-2019 at 03:53 PM. Reason: poof

  3. #3

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    Re: 455 Olds header install

    Cant see diagram

  4. #4

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    Re: 455 Olds header install

    Got it thank you!!

  5. #5
    Team Dirt Bag Intern NUTTZ
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    Re: 455 Olds header install

    Block fine, never get hot unless water passages blocked with sand grit etc...Bassets will get hot, sometimes cool hurts!
    Heavy Lake Lay Up Family Boat Ready To Race Any Takers

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