[FWB]

on the west coast chances are its not the pump causing overheating.
the hose configuration seems to be wrong from the factory.
kitcarb (another member) had some issues too and changed the small hose configuration with good results. not to say there may be issues with the wieand pump, but i've noticed other WCC owners with similar issues with other than wieand pumps. check with kitcarb to see if he can tell you what he did, i don't recall the exact fix he did.

Fred