Quote:
Originally Posted by JSeery
The purpose of a thermostat is to get the engine up to operating temperature as quickly as possible and maintain a minimum operating temperature. They should not cause an engine to run any hotter than the opening temp of the thermostat or the normal running temperature of the engine if everything in the cooling system is working properly.
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Absolutely the only reason for stats. Maybe, if defective, restricting normal flow.
Maybe one could say getting an engine to level temp (180) quickly could help to heat the motor over all more quickly and which helps in warmer climates to increase the time/temp to go to higher temps under hotter conditions. But the temps will never help to cool an engine or lower engine temp below the thermostat temperature setting.
You can reduce carb heat (vaper lock) by blocking the intake crossover. Also a design to heat the engine/low combustible fuel of the day quickly in cool climates in startup.