Hard to believe I built my v8 Miata 20 years ago, but damn time flies. I've been running 100% Evans coolant since the start. Last week my water pump gasket failed so I replaced the pump and decided to replace the coolant with water and regular antifreeze because I have always had trouble with cooling. I also noticed early on that there was some weeping of coolant from the gaskets making me think Evans permeates the gaskets . It won't boil but it will get hot. Took it for a drive today (it's crazy hot here right now, was 97 when I went to bed last night) with the AC running and it never went over 190, that has never happened. My results are not scientific because I can't compare with the same parameters but I know I won't be going back to Evans. Also when it leaks out it's a mess, it looks like dirty thin oil. Anyone else here use it and what did you think?
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