Quote:
Originally Posted by jrvariel48
I friend stopped over today and noticed the studs were still dripping after the car was turned off for about 10 minutes. I'm running an aftermarket radiator that came with a 16lb. cap. Could this be a pressure issue?? I ordered a 7lb. cap which was the lowest I could find.
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You should change out the cap, but not quite for the reason you stated. The cap rating is the maximum pressure the system should see before it is released to the overflow. But the pressure comes from the heat in the coolant and unless your over heating it shouldn't get that hot. The higher pressures allow the coolant to reach a higher temperature before it boils. You would not want a coolant temperature in the range that a 16 lb cap would allow. Unless the radiator (and the rest of the coolant system) is designed for that high of pressures and temperatures you could damage the system.