Just takes a higher temperature to have the coolant boiling and you can
run your engine a tad hotter, which makes it more efficient (in theory)
and keeps the engine cleaner as less water from condensation will get
into the oil. I usually have my engines on a hotter thermostat than
standard, on old machines 92:C, but then the ambient temperature is
barely ever over 30:C overhere. If the cooling capacity of the system is
known to be insufficient (e.g. in hot climates) one should lower this
considerably to create more time for warning that something is going amiss.
In Britain and parts of Continental Europe there used to be summer and
winter thermostats.
Kees Oudesluijs
NL
Bob Spidell schreef:
> Doesn't pressurization just raise the boiling point--something like a
> couple degrees F per PSI (i.e., it doesn't help the system run cooler,
> necessarily)?
>
>
> Bob
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