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...ap-13-bar.html
> 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.