Sorry, but I respectfully disagree with the absolute that oil does not evaporate. It is fair to say motor oil and grease have an obvious resistance to evaporation at room temperature as well as tempe ...
I guess I am out of the loop in that I have mainly used good Ol Prestone Dot 3 or Ford HD brake fluid. I have several cars and when I flush, they all get flushed with whatever I have in bulk. Never ...