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Originally Posted by sasha055
How's the waterpump affected by low temp thermostat?
Won't make water pump run faster/harder? Will it contribute to shorter waterpump life?
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if anything, i would think it would INCREASE water pump life. the pump is always spinning no matter what, but if the OEM thermostat is partially closed under normal driving conditions, the pump is working harder (higher local pressure) trying to push fluid through a smaller hole.
the pump won't run faster since its speed is proportional to the crankshsaft speed.