Quote:
Originally Posted by sixty8HDC30
The thermostat opens at and above stated temp and closes below stated temp. which (if the rest of your cooling system is up to the task) fully regulates the temp of your engine.
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Seems some of you need to read the bold part again.
Editing to say that if you were to run NO thermostat and the rest of your cooling system was functioning properly, the most likely thing to happen would be it would take longer to reach operating temp and in some cases the engine would never reach operation temp, and in fewer cases running no thermostat can cause overheating due to the speed at which the coolant is flowing through the system, not allowing time for the coolant to cool in the radiator.