Pure water having a heat rejection 1.0 places pure
antifreeze at a .80 and the Evans stuff between a 0.75 and 0.70. This is all from memory so the numbers for
antifreeze and the Evans coolant may be a tad different. I've heard some internet horror stories about the Evans stuff.
I'm with you, Chas and Ernie, sort of a water, 30% glycol and Water Wetter kinda guy.