[JFP in PA]

Originally Posted by stephen wilson

I don't think any automotive manufacturer would lack the resources to design such a system. They manage to map fuel injection & ignition timing using dozens of sensors, over all possible operating conditions, while controlling emissions. Controlling a water pumps speed would be a piece of cake.

The only problem is that a better system would cost the OEM five cents more than the one they gave you....................and there is no "sex appeal" in cooling systems.