Show us pics—all North American-market slant-6 2bbl ("Super Six") intakes have EGR provisions; only the marine and export intakes do not. Perhaps your intakes do have it, but you don't see it because a blockoff plate is installed.
Yeah I screwed up disgust; they were both on the motors when I bought them and I just checked and they both have a block off plate. I just hadn't noticed them before.
I may install the extra 2brrl intake and carb on the '73 3spd.