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View Full Version : 582 gray head radiator cap pressure


LSaupe
06-13-2017, 02:58 AM
Trying to sort out the correct cap pressure I should be running on a 582 gray head. Mine shows 8 PSI, seems a bit low, is this correct?
Flightguy
06-13-2017, 05:56 AM
I run a 13 cap.
Guy Buchanan
06-14-2017, 02:01 PM
I vaguely remember running 13psi.