460 over heating
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460 over heating

  1. #1
    Member wheelman's Avatar
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    Default 460 over heating

    I have a 1977 weirdt with a 460 and a Berkeley pump. When i got picked it up it had water logs one it. I only drove it a few times and everything seem to work good. It came with bassett headers so i installed them and hooked the water lines up the way they said. Well the next time i took it out. It over heated and threw a rod. I pulled the motor and installed a different 460 but it still over heating. I checked the hoses and they are not plugged i ran water out the pump to make sure the wear ring didn't spin. I am going to put the water logs back on but i cant see how that will make a different.
    This is my first jet boat and i cant seem to figure it out.

    Thanks Leroy

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  3. #2
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    Default Over heating

    Quote Originally Posted by wheelman View Post
    I have a 1977 weirdt with a 460 and a Berkeley pump. When i got picked it up it had water logs one it. I only drove it a few times and everything seem to work good. It came with bassett headers so i installed them and hooked the water lines up the way they said. Well the next time i took it out. It over heated and threw a rod. I pulled the motor and installed a different 460 but it still over heating. I checked the hoses and they are not plugged i ran water out the pump to make sure the wear ring didn't spin. I am going to put the water logs back on but i cant see how that will make a different.
    This is my first jet boat and i cant seem to figure it out.

    Thanks Leroy
    Leroy, Can you explain to me how you have the engine plumbed? It really should make no difference which exhaust you run in respect to overheating.

  4. #3
    Member wheelman's Avatar
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    Quote Originally Posted by greg shoemaker View Post
    Leroy, Can you explain to me how you have the engine plumbed? It really should make no difference which exhaust you run in respect to overheating.

    Off the jet splits and runs in both sides of the water pump plate then out the thermostat housing one line runs over board with a ball valve the other runs to the bassett tee then to the headers.

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    Default 460 Ford

    Quote Originally Posted by wheelman View Post
    Off the jet splits and runs in both sides of the water pump plate then out the thermostat housing one line runs over board with a ball valve the other runs to the bassett tee then to the headers.
    Do you know the history of boat. Where was it run , on the lake in deep water, or on the river in shallow water. Has the pump been making any wierd noise's,like a bearing whine? Take the boat back to the water and disconnet the dump lines on the thermo. housing and see if you are getting good flow thru the engine.

  7. #5
    Senior Member md-11mike's Avatar
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    Default

    Post up several pictures of how you have it plummed.

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