Tomorrow I'll check the icv voltage for you. Put a timing lite on it and tell us what you see at 700. Then pull the vacuum hose on the EZL and see where the timing goes. I've ignorently played with the mix on my old 380, with my 560 it makes more sense to me now, but it sounds like your mix is about right. What voltage do you get at pin 3 on the X11 round diagnostic port? Mine is about .4VAC I think typically .4 to .6.

By the way "starved for fuel" is not enough gas - plenty of air, and "choking" is plenty of gas - no air, opposites. Pulling the plug on the icv opens the air passage, mine raced so I knew it was too rich. Fun stuff, I lov these cars.