Pressure build up in radiator

Hello everyone, here with another issue I'm hoping to get some insight on.
1965 Chrysler New Yorker, 413 wedge big block.
Everytime I drive it, no more than 5-10 minutes, it gets really hot or should I say really steamy! I haven't been able to drive it more than 10 minutes without having to pull off the road and let it sit an hour to cool down, I've gone through 3 lower radiator hoses in the last month. Crazy pressure building up in the radiator. I've pulled the stat to run without it, I've...

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Author: 65Yorker