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    Fresh water cooling, routing question...

    I'm almost done swapping a mercruiser 5.7 into my boat.. I have a question though. <br /><br />My original stern drive was raw cooled.. It had a hose at the top of the gimble.<br /><br />The new setup I got, had this part plugged, and the sea wanter entered viea a 3/4 hose hooked up to the brass...
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    Closed cooling convert to standard cooling..

    I know most people do this the other way around but, this is a fresh-water only boat..<br /><br />On a 5.7 (260hp) anyone ever convert their closed cooling to standard cooling? from what I see you just remove the third pump, re-route hoses. But it looks like I might have to make a small...
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    Mercruiser 3.0 to Mercruiser 5.7

    Hi,<br /><br />Ok.. So I have a boat that had a 3.0 I4 in it. I bought a 5.7 V8.. The mount on the I4 is up front, the V8 appers to mount on the sides.. <br /><br />How do we make this work?? :)
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    3.0L Mercruiser (GM) cross-reference

    I just bought another boat. My first sterndrive.<br /><br />It has a Mercruiser 3.0/181 140hp alpha-1 setup. The guy who owned it had a head gasket problem, and rather than taking it to a mechanic attemped himself to destroy the motor.<br /><br />All the cyls are rusted now. Prolly froze. THe...
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