Recent content by Speeddymon

It was a partial drain and fill (but way more than a top off) because he initially removed the hose from the side of the engine where the thermostat isn't, so he ended up having to use more than he initially planned to.

Hello, new member here, you guys come highly recommended. I apologize in advance for the long story. TL;DR: How long does it take for coolants that can't be mixed to start turning into gel? Full story: I had a friend of mine (who has worked on cars as a hobbyist since he and I were kids)...