Hello,
I'm sure that the engine can generate enough heat to maintain an oil's
viscosity in a useful range w/o a thermostat, but always remember that all
car engines are designed to run at specific temperatures, which are
determined by the temperatures of the thermostats. I have heard that
running too cold is bad for an engine. For example, when an engine is run
too cold, the oil can form acids by mixing with combustion gases and
condensation in the crankcase, even if it has reached an acceptable
viscosity. These acids eat the engine's seals, bearings, etc. Just passing
along what I have read in various engine manuals and engine maintenance
textbooks.
Chris Lee
'87 505 Turbo
>From: "Don Saleski" <pug505@proaxis.com>
> I have been told that heat is an engine's worst enemy, and that even in
>the
>absense of a thermostat an engine generates enough heat to maintain an
>oil's
>viscosity in a useful range.
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