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I've heard a few times now that electric water pumps help the engine warm up faster. I really don't see why this is possible?
I guess the same goes for the engine temp. The engine temperature is controlled by the thermostat, how does the pump have anything to do with that?
You can speed up the warm up times by simply circulating the coolant much more slowly while the engine is cold so you are simply not bringing the whole circuit into play as fast.
The electric water pump and controller allows you to ditch the thermostat completely and control your engine temp electronically. The obvious downside to this is that if you raise your normal engine operating temp to a level above that at which your cooling fan switch trips, then you would have the cooling fan on practically all the time. It's a simple fix to modify the fan switch however.
Also you could turn your engine temp down to say 75C, which should give slightly more power and headroom for tuning if you're into that kind of thing.
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