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Coolant header tank pressure cap rating
Posted: Tue Apr 10, 2012 7:34 pm
by leylandracer
Just a quick question, whats the recomended psi rating of the header tank pressure cap?
At the moment the header tanks fitted with a Stant 18-22 psi, will this be OK?
Cheers Steve
Posted: Tue Apr 10, 2012 8:57 pm
by mgbv8
Always run 15psi on mine.
Posted: Wed Apr 11, 2012 1:26 pm
by teamidris
As far as I know it only risks gaskets and hoses. If these are okay, you just improved the cooling of the whole system
Posted: Wed Apr 11, 2012 5:34 pm
by Ian Anderson
It all depends where in your system your header tank is plumbed into.
For example if it is between your engine and rad you will see a higher pressure requirement than if it is fitted on the suction side return to pump
This could be as much as 5 psi difference
Ian