you haven't even begun to touch on all the differences. i think there is something like 100 or more 64.5 unique parts. albeit, some of those parts did continue on into early 65 production.
do you have the early style sill plates and door arm rests? compare these to the ones on your convertible. the early sill plates are square at the edges instead of rounded and the chrome base of the armrest does not have the angle cut where you put your hand to close the door.
-64.5 steering wheel and turn signal switch are unique
-color keyed door lock knobs
-there may be a large shifter bezel around the manual shifter
-2 speed heater motor with switch off in the center
-the brake/clutch and gas pedal will not have an indentation around the perimeter of the pads
-there is a small pad screwed to the front of the doors where it meets the door light plunger switch
-the door fuzzies are black on the top instead of stainless
-parking light retainers are a full circle instead of notched
-the voltage regulator is a different design.
-most of the wiring in the engine bay is different
-starter solenoid is usually brown bakelite instead of black
-the fuel filler neck usually has crimp clamps
-jack has coarse thread and the lug nut wrench handle is not rounded
-spare tire is mounted differently(refer to owners manual)
-64.5 usually does not have jacking instructions decal on underside of trunk lid
-your convertible should have a rubber plaid trunk mat
-the hood does not have holes for a hood lip moulding
-hood hinges are painted black
-the service decal on the LH shock tower is different on a 64.5
-there will be no holes to mount horns on the radiator support since they are mounted down on the frame
-etc, etc, etc....
Charles Turner
MCA Gold Card Judge(64.5-65, 66)
'65 Fastback
'00 GT Conv, triple black
Check out my 65 [color:blue]fastback!</font color=blue> 
