Plans for the waterpump setup on the 354 Hemi changed somewhat and it looks like I'll be going with the short 65-68 BB Chevy waterpump instead of the long 69-up style.

I have one of the short pumps (68 396) laying around here for mock up and my question is about the heater hose nipple in the top center of the pump. Is it on the suction side (i.e. can it be used for the by pass hose) or pressure side of the pump?