FYI
I have a friend with big block Dart that had overheating problems, his fix was a 8 blade hi-perf Carter pump which he overdrove then put the flex fan as close to the radiador as reasonable, never could get an electric fan that worked well. Now he says on a 110* day he can idle all day and...
Here's a great contact for that info;
Pierre [[email protected]]
He's at Smith Bros Pushrods in Bend, OR. He's also a fellow A-Body owner and bracket racer.