thermostat question
The t-stat needs to open and close to allow hot coolant that just left the engine block and heads to sit in the radiator for a long enough time so it can cool down....while the cooler coolant that just went into the engien block and heads is getting heated up.
Then when the coolant inside the engine gets hot enough and causes the t-stat to open again........the coolant will trade places again....and so on and so on......
If there's no t-stat, all you have is a serious air pump and water heater on your hands...and that coolant will just keep getting hotter and hotter and never stop circulating. Its reach a point where it will get HOT quick.
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