Quote:
Originally Posted by Bored&Stroked
I have a stock 32 radiator (re-cored), no pressure on the cap, a very high performance flathead and I've been stuck in 90+ degree weather in a long line to get out of Goodguys . . . was stop-n-go for almost an hour and I did not overheat.
Ran about 195 tops on a mechanical gauge. If things are built right, blocks are clean of rust, timing is correct, water pumps are moving enough water and the radiator is good - these flatheads should cool just fine.
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I have a four blade fan with a spacer that is an inch from the radiator. I have a six blade fan on the shelf. would have to turn a new spacer. Is 1 inch too far from the radiator. Oh and at five miles per hour it never over heats.