The crank pulley is shorter in the vette, med length in the fbody and longer in the truck. The truck water pump return comes out the top of the pump and would be in the way of the cable driven throttle body lever from an fbody, the others come out the front of the pump. The Fbody alternator is down low on the driver side, the other two are up high. Pulley alignment is a problem if you try to mix and match accessories. All three engines you listed use way different bracketry.