Quote:
Originally Posted by RckyMntnKng
Correct me if im wrong, but I always thought a T-stat stays closed (No coolant circulating) until it reaches the temp rating it needs to open and let coolant into the motor / out to the radiator / and cool back down.
IE - If you have no T-stat at all then your engine is constantly circulating and cooling and in a hot dry summer over 100 it would be open all the time anyway if actually installed and working.
Without a T-stat it would definately take longer to get the motor up the correct and best operating temp and heater etc if you lived in a cooler place.
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I believe you are correct. But the only limiting factor, as stated above by 71swb4x4, is that the water gets pushed through the radiator so fast it doesn't get cooled and is then fed back into the hot engine where it does no good to cool down the internal engine temperature. Having a functional thermostat is definitely a necessity on a daily driven (summer time only) vehicle.