Quote Originally Posted by jcarter20 View Post
I was reading this and was going to ask if anyone rain antifreeze through the system. So, is it necessary to run up to temp? With it being closed cooling I wasn’t sure if a t stat had to open or not.
I run mine up to temp with water, drain and then circulate about 7 gals of antifreeze for 10 min or so. Probably overkill, but I treated it like my old I/O’s. I have a tub that catches the antifreeze under the wake plate and a circulation pump pushing it back to a fake a lake.


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The closed loop cooling is its own antifreeze loop. No need at all to run up to temp on the raw water side. No thermostat on this open loop. Fake-a-Lake to exhaust catch tray. Should take about 2 minutes and you are done. Truthfully in Ohio I don't do it since mine doesn't sit outside. My old I/O had to have antifreeze ran through it or bad things happened.