You've got the control loop right, but the thermostat itself isn't as smart as
that sounds. It closes below a minimum temperature. That's it. Spring and the
density of the wax (along with the thermal constant of the engine and radiator)
provide the stability.
Ron
--- On Fri, 4/9/10, David Lieb <72spridget@gmail.com> wrote:
heat soak or
> running your engine cold. Have you ever had a car with a
> functional
> temperature gauge? You can watch the thermostat opening and
> closing.
> If your cooling system does not have the necessary capacity
> and
> ability to transfer heat out, then no, a 160 thermostat
> will make no
> difference. If, OTOH, you have a good radiator and
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