David, if racing cars run at 13 psig, then a wheel may overheat above the bp of water, but our vans run at 43-53 psig (or mine does(, which is 58-68 psi actual, at sea level).  The link I provided indicates a much elevated bp at that pressure.  DMc

---- David Beierl <dbeierl@attglobal.net> wrote:
> At 11:25 AM 8/30/2010  -0500, Dave Mcneely wrote:
> >If your street vehicle (or racing vehicle for that matter) tires are
> >exceeding the boiling point of water at the pressure inside the
> >tire, wow, you got real problems!
>
> David, what makes you say that?
>
>  From racelinecentral.com (note this is for racing, not our kind of driving:
>
> >Tire Temperature synopsis:
> >
> >Optimal temp range is between 190-240 degrees.
> The boiling point of water at 13 psig is 246F -- slightly above optimal range
>
> Yours,
> David
>

--
David McNeely