Well if you wade through some of all that, there ARE issues with less than perfectly made caps (and I assume worn or otherwise less than perfect shaft play/ shaft runout) with the rotor hitting the cap, ------because it is longer
I would not worry about it. You can tell just by looking, look for carbon tracking and other damage an debri inside the cap and around the rotor.
Thanks. Are those distributor shaft thrust bushings worth using? I understand that with the bushing installed on the distributor shaft that you put a 0.010" feeler gauge between the bushing and oil pump drive and tighten down the screw and your done