On Apr 21, 6:11*pm, Tony Hwang > wrote:
> Ashton Crusher wrote:
> > I was thinking of putting a higher pressure cap on one of my cars to
> > increase the factor of safety against boiling. *Looking thru the web
> > for info on the likelihood of changing from 7 psi to 13 psi causing
> > leaks I found little on that issue but did find a couple references to
> > the pressures created by the water pump. *One site boasts of a 19 PSI,
> > $25 cap to get you thru your "hard driving".
> >http://www.mishimoto.com/mishimoto-h...tor-cap-13-bar....
> > Thought I'd see if anyone else has heard of this. *The claim was that
> > the water pump could create over 30 PSI of pressure. *Since that is
> > double the normal operating pressure of most modern cars I find it
> > hard to believe. *If the system was at full 15 psi of pressure while
> > the car is idling and then your floored it and ran it up to near
> > redline * and created another 30psi of additional pump pressure, or
> > even 10 psi of additioingnal pressure downstream at the radiator cap, you
> > would immediately cause the system to have to vent to the overflow to
> > relieve this higher pressure. * I've never seen a car vent due to me
> > revving the engine up while I'm working on it. Thoughts?????
>
> Hi.
> There is a over flow bottle for coolant/anti-freeze. Ever
> cleaned/flushed your rad. and maintain proper level of
> coolant/anti-freeze in your rad.? If the car is old, messing with cap
> can spring
> a leak.- Hide quoted text -
>
> - Show quoted text -

AMEN!