The engine looks great. Clean, but not over done.
Looks like it's too late, but just a suggestion I thought I'd throw out there. I normally don't like custom tail light panels, since, in my opinion, they lack shape and are a bit bland. So I was thinking, how would it look if you bought two 240z tail light surrounds, welded them to the car, ground them flush, etc., and welded in a flat piece of sheet in the opening, and mounted your lights there?
The wheels may grow on me. I'll need to see the car done.