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View Full Version : what psi is your radiator cap?



up in smoke
Jul 7th, 2008, 06:47 AM
my f4 keeps puking after i get off the track.:puke: i have a 13 psi cap on it now. i think i will try a higher one to remedy the problem.

UFO
Jul 7th, 2008, 08:21 AM
Do you have a catch bottle on it? I would not change to a higher bleed off pressure, just get a new cap, cap could be worn out. Higher pressure could cause a bunch of other problems.

hippylong
Jul 7th, 2008, 10:27 AM
you run strait water at the track?
if you do it has a lower boiling temp than with additives...