If it is an AD 55, you can remove the entire fenders/grill as an assembly. This assembly is referred to as "the dog house". This will save you a lot of headaches related to all of the grill fasteners (there are what seems like 57,000 screws/nuts/bolts which are nearly inaccessible).
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission