The distributor sits right on top of the block. FI engines also run very rich at idle, which is why you should always lean for taxi.
You're right about it being the same engine as an O-360. It IS an IO-360. There are dozens of variations of most piston engines. Most use a similiar block and in some cases cylinders. The differences are in things like oil filler location, carburator/FI location, valve design, etc.