This all assumes that the heat input has overcome the cooling capacity of the
radiator with the thermostat fully open. Otherwise, the temperature will be
lower. And that is a confusing thing about thermostats. They keep the engine
hotter 9toward an optimal target), not cooler, by regulating the coolant flow.
:-)
rick
--- On Tue, 3/10/09, Simon Matthews <simon.d.matthews@gmail.com> wrote:
> From: Simon Matthews <simon.d.matthews@gmail.com>
> Subject: Re: [Mgs] Flushing the cooling system?
> To: "Rick Lindsay" <rolindsay@yahoo.com>
> Cc: "Bob Howard" <mgbob@juno.com>, "MGS" <mgs@autox.team.net>
> Date: Tuesday, March 10, 2009, 2:44 PM
> So, from the chart, about 250 degrees F/ 121C.
>
> But remember the anti-freeze/water mixture will be hotter
> because it
> is less efficient at cooling the engine.
>
> Simon
>
> On Tue, Mar 10, 2009 at 12:40 PM, Rick Lindsay
> <rolindsay@yahoo.com> wrote:
> >
> >> One wonders what boil temp is with a 15 psi cap
> and no
> >> Prestone.
> >> Bob
> >
> >
> http://www.engineeringtoolbox.com/boiling-point-water-d_926.html
> >
> >
> > --- On Tue, 3/10/09, Bob Howard <mgbob@juno.com>
> wrote:
> >
> >> From: Bob Howard <mgbob@juno.com>
> >> Subject: Re: [Mgs] Flushing the cooling system?
> >> To: paul.hunt1@blueyonder.co.uk
> >> Cc: rolindsay@yahoo.com, mgs@autox.team.net
> >> Date: Tuesday, March 10, 2009, 2:24 PM
> >> A chart on a bottle of Prestone (brand) antifreeze
> shows,
> >> with 15 psi
> >> cap:
> >> 50/50 mix of Prestone & water protects
> to -34F
> >> and +265F
> >> 70% Prestone/30% water protects to -84F
> and +276
> >>
> >> One wonders what boil temp is with a 15 psi cap
> and no
> >> Prestone.
> >> Bob
> >>
> >>
> >>
> >> On Tue, 10 Mar 2009 15:54:13 -0000 "Paul
> Hunt"
> >> <paul.hunt1@blueyonder.co.uk> writes:
> >> > How hot does it have to be to get that? With
> a good
> >> cooling system I
> >> > mean. I've seen my V8 reach the red but
> it
> >> didn't lose any
> >> > coolant.
> >> >
> >> > PaulH.
> >> > ----- Original Message -----
> >> > ... Combine that with a pressurized
> colling system
> >> and you run a
> >> > much better chance of avoiding the dreaded
> summertime
> >> boil-over.
> >> > -------------- next part --------------
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