[simon clemens]

just a thought....

If a crank pully was twice the size of an alternator pully, which one of the pullys would be spinning at twice the RPM???

Answer... the Alternator pully!

Is cavertation caused by an under driven water pump pully at high RPM, or an over driven ratio???

Answer... cavertation is the formation of caverties in a fast moving fluid as a result of a pressure drop. Just like the downstreem of propeller blades!

Hmmmm...