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Why

  1. #1
    Senior Member junkyard's Avatar
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    Default Why

    Can anyone think of a good reason why someone would plum water lines like this? Just thought I would share this before changing it. It makes no sence to me routing hot water back thru the block where cold water should.
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    Last edited by junkyard; 03-27-2011 at 07:20 PM.

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  3. #2
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    Default Back asswards.....

    Thats how alot of people do things. They wonder why the back cylinders get hot.

  4. #3
    Senior Member tigertooth's Avatar
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    Quote Originally Posted by junkyard View Post
    Can anyone think of a good reason why someone would plum water lines like this? Just thought I would share this before changing it. It makes no sence to me routing hot water back thru the block where cold water shoul.
    That motor has a thermastat kit on it. When the thermastat is closed the water bypasses the inlet and goes to the headers and out the back of the boat. when the thermostat opens a divertor inside the housing directs the water through the motor and then out to the headers and out the back of the boat. It does need to be checked to make sure it is operating properly.Parts are available from Rex marine.

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  6. #4
    Senior Member GA Jet's Avatar
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    yeah Im not following what all he has going on on the left side of the block but the 1st picture everything looks about right. I am running thermostat kits on my boats and my motors always stay at a good operating temp so I highly recommend the kits. I would double check with CP for a schematic or something to make sure they are plumbed right though. Ill look around for my schematics and take a picture for ya if youd like

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    Senior Member bp298's Avatar
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    Quote Originally Posted by junkyard View Post
    Can anyone think of a good reason why someone would plum water lines like this?
    no...

  8. #6
    Senior Member cave's Avatar
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    Maybe the boat is from Alaska where they need more heat???
    Josh the lines on the bottom before the state go to the headers to dump. That don't worky with Over Transom headers.
    Takin it home

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    Default Thermostat kit

    It looks right as far as a thermostat kit goes. I am not sure if you want to run the thermostat, but if you do, there is room for improvement with the plumbing. I guess to me it looks sloppy but correct. I think that Rex Marine has a diagram on plumbing the thermostat kit.

    Chris

  10. #8
    " Live Laterally " Dominator's Avatar
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    Interesting.....
    " NO MOTOR NO BOATER "

    " I'd rather be riding in my boat thinking about God, than in church thinking about my boat ".


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    Default Run it....

    Run it before you make any changes. I'm betting it'll work very well. You might want to clean it up a bit, but don't start changing stuff until you find out how it works....AND, as mentioned, maybe the boat came from a very cold water area.... I know my jets run on the cold side, and I'm leaving something on the bench when it comes to performance, but I feel it's a decent trade off in a recreational boat....
    Ray
    LOUD BOATS SAVE LIVES

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  13. #11
    Senior Member junkyard's Avatar
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    Thanks. I didn't know that was a thermostat kit. Now Ill have to see how it works.

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    Default ?????????

    It's a boat, not a car..........

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    Before you run it, get rid of that glass fuel filter.

  16. #14
    Senior Member junkyard's Avatar
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    Its not my boat, just going over a few things for a friend before he picks it up from Nebraska.

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