The most efficient way to diagnose any advance issues with the chineseium distributor is to pull it, and run it up on a distributor machine. That is where I would have gone with this after doing the timing light test. Confirm, confirm, confirm.
Good advice. I will add, "replace all of the female spade connectors". The alloy used in them are too soft and do not remain tight and in place. Tight connections are crucial to avoid electricity flying around to where it does not belong.
