Originally Posted by prostar205er
So that is the thermostat...the triangular shape box on top where all of the hoses converge? Good to know. So some of you out there open that up and pour your antifreeze in there?
I have a fake lake that I use to suck up the antifreeze. I don't always run the engine with water first to heat it up though (in part, so I don't scald my hands when I'm draining everything). When I'm sucking antifreeze into the engine I usually see my temp get up into the 200s. Is that sufficient enough to get the engine to open up to the antifreeze? Just curious as I've been doing this for years and have never had an issue.
I did it with cold engine and RV distributed throughout. If you look at the t-stat setup, there is a 5/8" bypass hole.