Best coolant for our 60-70's Mopars?

BillGrissom said

"Our cars" aren't any different than any other cast-iron block & head motors. Aluminum corrodes faster, which killed most of the early aluminum block slant six's.

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Wasn't the problem that people would use just straight tap water? i remember reading an article about those aluminum sixes that mentioned that.

But yeah, I just use the green stuff, works just fine.