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Another possibility/advantage with the electric pump over conventional coolant pump is that if you engine off coast a lot ( I do) then perhaps the speed/power consumption of the pump could be further lowered due to the fact that one can continue to run the pump during EOC while getting the same amount of heat removed from the engine as when it is running!
And that is obviously because with a conventional pump when the engine is off,so is the pump and with no circulation the relatively small amount of coolant quickly cools off in the radiator (given there is air flow across it) but until circulation is restored,that cooler liquid will not make it to the engine block to do it's job.
And when it does make it there,that means you had to start the engine creating more heat.
Or if you ever have overheating trouble for any reason, your possibilities for a quick way to cool the engine using the electric pump are a lot greater than
with the conventional system.
Just some thoughts!
Barna
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