I was starting to remove the doors and was looking at the sills.
Mine are crumbling with "plate upon plate" of previous repairs including a length of heavy angle iron welded on top at footwell area.
As such it's impossible to see what they should really be like.
If you put a straight edge against perfect inner sills are they straight or curved ?
BTW the extra angle section that is supposed to be inside convertible sills is also almost rotted away which give you an idea of how bad the car is

Paul Humphries.