Radiator Cap Pressure

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05-17-14, 04:29 PM

rikgray

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Radiator Cap Pressure

What is the maximum radiator cap pressure?

I've heard that the O-ring water seals can't take much pressure.

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05-17-14, 06:31 PM

j9fd3s

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the FD's came with 1.3 bar caps...

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05-19-14, 08:18 AM

fidelity101

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When I build an engine, I pressurize the coolant system to 25psi and let it sit for an hour and then monitor the pressure change (if any)

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05-19-14, 09:55 AM

C. Ludwig

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Combustion pressure is going to be several hundred psi. So the inner ring, at least, is able to withstand that.

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