Long water pump for SBC with 2 connections for heater?

[msg]

Originally Posted by kwmech

So you have the bypass so it will purge. Move the heater core return to the water pump 3/4'' fitting. Plug the front of the intake. Right front corner of the intake feeds the heater core--5/8'' hose.

Maybe Im calling the return the wrong hose, but the hose I need to account for now is the one in this diagram that looks like its connected to the radiator...but I think its supposed to be connected to the water pump since you had pointed out that the ports on the pump are actually suction.

Originally Posted by kwmech

By the way brass fittings and aluminum don't like each other much.

Uh oh, so I need to find some alluminum plugs?