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Old 03-11-2015, 01:48 PM   #6
No Mast
Guru
 
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City: Atlantic Highlands, NJ
Country: US
Vessel Name: Moana Huaka'i
Vessel Model: Selene 53
Join Date: Dec 2014
Posts: 816
Come to think of it that's the engine in our boat. It should have a zinc on the aftercooler and the heat exchanger, have you checked or replaced them?

I believe some after coolers had two zincs for some reason, but I could be mistaken. My wife claims I frequently am.

Maybe all this is obvious, but coming from the sailboat world, I was surprised to find zincs inside the boat.
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