Originally Posted by dan_vector

I think I got it.
I was always told, now its a habit, to not gorilla tighten screws. Long story short, I tightened to the point where it wouldn't turn without applying force and went almost 2 more turns tighter.
Haven't tested it yet, but I think it'll be good. Also as I was tightening I pushed on the other side of the pinch bolt and felt it grab the screw and squeeze the carb a lot better.