plumbing ?
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plumbing ?

  1. #1
    Senior Member hydroman916's Avatar
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    Default plumbing ?

    I have always ran a gate valve off of the jet into the motor and one out of the boat, a basset T to the headers, I use the gate valve going out to regulate the water pressure for the headers and use the one coming in to regulate temp
    the boat I just got has a T coming off the jet, one has a gate valve to a basset T to the headers and the other has a gate valve going to the motor and nothing going out
    which set up is correct????
    get blown or get blown away

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  3. #2
    Senior Member H20MOFO's Avatar
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    Quote Originally Posted by hydroman916 View Post
    I have always ran a gate valve off of the jet into the motor and one out of the boat, a basset T to the headers, I use the gate valve going out to regulate the water pressure for the headers and use the one coming in to regulate temp
    the boat I just got has a T coming off the jet, one has a gate valve to a basset T to the headers and the other has a gate valve going to the motor and nothing going out
    which set up is correct????
    Are you sayin there is no dump line That ain't gonna work....I'm probably misunderstanding you. Pic?
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  4. #3
    Senior Member hydroman916's Avatar
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    ya there is a dump, I was sayin there is no gate valve on the outlet
    get blown or get blown away

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  6. #4
    Senior Member 74glencoe's Avatar
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    Default correct is a matter of opinion

    You have just opened a can of worms brother, many many opinions, lots of using this site or that site to back up opinions, and out and out bickering. I have mine plumbed basicly the secont way, and it has worked for me so far, but tom at jbp and basset say to set it up like the first example, so call me crazy.
    Boating is nothing like cocaine, boating is much more addictive and results in bigger parties!

  7. #5
    Senior Member Oldsquirt's Avatar
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    Both methods work.

    Some people like to have the header water separate from the engine cooling. Each can then be adjusted without affecting the other.

    Some people don't like the idea of having a valve on the outlet side as it is too easy to cause excess pressure in the block that way.

    Choose the method that makes you happy.

  8. #6
    The Man cordog009's Avatar
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    You need a valve (I prefer ball valves) between that T coming off the jet and the pump itself. That way if you blow a hose you can shut off the incoming water before the boat sinks.


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  9. #7
    Senior Member 74glencoe's Avatar
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    Quote Originally Posted by cordog009 View Post
    You need a valve (I prefer ball valves) between that T coming off the jet and the pump itself. That way if you blow a hose you can shut off the incoming water before the boat sinks.
    I understand the need, but that may be getting a little tight for room, Thats why I plumbed mine with the tee to the headers in front of the motor, like this:Click image for larger version. 

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    Boating is nothing like cocaine, boating is much more addictive and results in bigger parties!

  10. #8
    Senior Member Oldsquirt's Avatar
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    Quote Originally Posted by 74glencoe View Post
    I understand the need, but that may be getting a little tight for room
    Nah, plenty of room. Pipe from pump, ball valve for "safety", "T" to headers and a gate valve only extend to about even with thrust bearing.

  11. #9
    Senior Member moneysucker's Avatar
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    Valve on the outlet side is a no no. I run 3 dumps to keep pressure in block down. Reduce the water coming in and regulate temp but do not trap the water in the block. That is a good way to make milkshakes.
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