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I appreciate all of your help. My thought was that grouping would add more cooling surface. Going to put it back together on Sunday. Grease for orings showed up today 👍
I know you said each hole. Wondering if the top example would be better. All holes were blocked off with silicone. Thinking that was my intermittent over heat issue.
Hey all, I can not find anything in my manual about this. This head has orings and not a gasket. I pulled one head so far and all the water jacket holes were filled with silicone. I have read that it's not good. I am just not certain where I should apply silicone. Anyone have the correct answer?
Hi all, was looking for a little assistance with this. I have a 98 150 oceanpro. She will alarm and limp mode ONLY around 2300 rpm. Wot no problem. 2k rpm fine. That rpm is when the boat is plowing and will fire that overheat alarm. Neutral and refire and it's fine. Water pump and thermostats...