[Mgs] Cooling issue

[Rick Lindsay]

Paul's comment is of course, right on.  The other
error I have seen is that POs install incorrect design
and range thermostats.  These are thermo-mechanical
devices and they do wear out.

rick

--- Paul Hunt <paul.hunt1 at blueyonder.co.uk> wrote:

> You say 74, I presume this is the chrome bumper
> model with mechanical 
> cooling fan and not the 74.5 model with electric.
> 
> Your running temps seem normal to me given the
> ambient of low 80s, and that 
> would indicate the gauge is accurate.  However I'd
> have said that going up 
> to mid-way between N and H when you are idling *is*
> a little high, unless it 
> is for several minutes at a time with a slight
> following wind (the 
> difference between a following and head wind can be
> quite significant). 
> OTOH if you are stopped in traffic your radiator
> will be 'breathing' all the 
> heated air being pumped out of the radiators of the
> cars around you, which 
> will also cause your gauge to go up.  Another factor
> is temperature of the 
> air near the road surface i.e. heated by the effect
> of sun on tarmac, this 
> can be 20 degrees higher than air temperature, again
> causing a rise in the 
> gauge.  What does it do if left idling on, say,
> grass with no other traffic 
> around and in a slight cross or head wind?  If that
> is only slightly higher 
> than your normal running temps then I'd say you had
> nothing to worry about.
> 
> At the end of the day, cars with electric fans have
> the thermo switch 
> calibrated to only cut in about mid-way between N
> and H, and the gauge 
> should be able to go up nearly to the H without any
> problems.  If it isn't 
> steaming or losing coolant, it isn't overheating.
> 
> PaulH.
> 
> ----- Original Message ----- 
> >  The basic problem is this: The past couple of
> days have been fairly hot 
> > here in Philadelphia.  Running my BGT with a 165
> deg F thermostat, the car 
> > seems to run a little hot (in my opinion).  The
> needle on the temp gauge 
> > is a little above the "N."  When I sit in traffic,
> the temp goes up some 
> > more, maybe 1/2 way between "N" and "H."  It comes
> down a little when I 
> > get going.
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