Overheating Issues - SB Duster

hot meaning what.....200....220.....260.....stock 7 blade with a clutch?????if so the clutch isn;t locking up...just freewheelin........My need a schroud....possibly head gasket......air bubble in system......did you use a good gates super stat...not a 2 dollar advanced auto crapola one... ...Is the water pump broken on the inside perpeller not turning....seen it before,,,, Timing is off...did I miss anything