Does anybody have opinion on this water pump?
cudamike13 said
How important is the by-pass??
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Bypass is the only thing that allows circulation of water in the block before the thermostat opens.
Without it, it will take a long time for the thermostat to get up to temp. And all the coolant will be stagnent in the block till it does.
You might be able to create a functional equivalent?
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