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Old 10-22-2019, 04:12 PM   #8
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City: Upstate,SC
Country: USA
Vessel Name: Dutch Barge Caroliner
Vessel Model: Selway-Fisher 45' Teign Luxe Motor
Join Date: May 2012
Posts: 2,635
Originally Posted by rslifkin View Post
Depends on if the coolant heater leads to any meaningful circulation. Some of the plumbed-in ones will, a freeze plug heater less so. And even with closed cooling, some engines still use raw water for the oil cooler.

What a pain in the transom.

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