Quote:
Originally posted by Planter91C2
in a watercooled engine, when you turn the engine off, does it get hotter for a bit because the water flow cooling system has stopped, or does it immediately begin to cool down?
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the water pump stops circulating water, but as long as the thermostat is open the hot water is being exchanged with cooler water somewhat. so yeah, the engine gets a little hotter for a minute or so, but then the engine cools down after that.
because engines are different, some cars heat up a bit more than others after shutting them off. turbo engines, for example, will heat up a bit more than NA engines if you shut them off. this can even damage the turbo. newer engines don't have this problem however.
obin