On Apr 21, 9:50*pm, "
> wrote:
> On Apr 21, 6:11*pm, Tony Hwang > wrote:
>
>
>
>
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> > 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!

DONT EVEN THINK ABOUT THIS WITH A CHEVY VENTURE! their engine the 6
cyc one tends to develop super expensive head gasket leaks as is......

some things are best left alone