Running Hot on the Highway

I know allot of people have a problem understanding the function of the water pump. it is a centrifugal pump, water enters the "eye" or center of the pump and is forced outward. This is why if you look at the picture of the pump you will notice the lower radiator hose connection, the entrance for the water is behind the impeller. As the Wp pulley is spinning it actually creates a negative pressure below atmospheric level which is 14.7 at sea level which tends to move water from a higher pressure to a lower pressure at the eye of the impeller and thus the impeller moves the water away from the eye and throws it outward thus causing water flow thru the system. The faster it spins the more circulates. The plate on the back of the impeller on the new pump is there to ad a "back wall" to the impeller to make it more efficient.