It is actually a very close call on clearance. My understanding is that the wheels by compomotive (sold by suppliers like Classic Alfa and Highwood) do not fit without some arch bashing. Richard Banks has told me that their own-make wheels do just about fit because of a reduced offset.
here is a pic
http://squadracorse.nl/cs/gallery_me...fset=80&where=
there is a full side view if you click on the "user profile" of the second photo on the bottom row, and scroll to the bottom of the pop-up that appears.