Radiator Cap

I have recently discovered that I have a U.S. spec cap on my OEM swirl tank, hence the puking every time I get to temp. Does anyone know of an available cap that will fit the OEM tank. I have a bid on ebay for a motorcraft RS-40 which sticky note#2 says will fit, however it's rated at 13 psi and its my understanding that you need a cap rated at 16 psi. Any thoughts. I know this is a hornets nest as I've read most of the cooling posts on here, but it's all good info….Thanks.

4/24/147:26 AM

Original Post

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