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1989 SN heater

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phaughey View Drop Down
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    Posted: November-05-2006 at 11:23pm
I have a 1989 SN with a 351. I have a heater plumbed into it with the supply going to the port side engine drain plug, then to the heat exchanger, then to a 12 volt circulating pump, then to the intake manifold. Is the anyway of making it work without the 12 volt circulating pump ( as the impeller in the pump doesn't seem to last.
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GottaSki View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote GottaSki Quote  Post ReplyReply Direct Link To This Post Posted: November-06-2006 at 6:32am
Route from the pipe plug on the circ pump to the heater then to the intake, like on autos.
"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."

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Post Options Post Options   Thanks (0) Thanks(0)   Quote behindpropeller Quote  Post ReplyReply Direct Link To This Post Posted: November-06-2006 at 11:24am
I used to have one that went from the top of the engine, through the heater core, and then into a T on the pickup.

Tim
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Post Options Post Options   Thanks (0) Thanks(0)   Quote quinner Quote  Post ReplyReply Direct Link To This Post Posted: November-06-2006 at 1:27pm
My last couple boats had factory installed heaters, Heater Craft was the Mfr., neither required a seperate pump for the heater so I would imagine you could eliminate the pump if plumbed properly.

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