For an A frame, the A motor mounts can and must be used (the AA motor mounts will not fit into the A frame).
For an AA frame, the A motor mounts will fit but will lower the engine slightly and therefore causes alignment problems for choke rod, gas pedal, etc).
AAFords.com provides information about original parts only. Original wheels and wheel nuts are all on the AA-1000 Wheels Parts Group page at https://aafords.com/aa-chassis/aa-1000-wheels/. I do not know of any other wheels to replace the AA wheels. If someone accomplishes this, then the AA is...
have you found original style panel board? As far as I know that's not available. Regular panel board is used and covered to simulate original panel board.
The door glass runs should have retainer clips riveted to the top and bottom. These retainer clips are all the holds the runs in place (no glue can be used). The runs should be free enough so that they can be lifted up to free the upper clip and then lowered to free the lower clip.
The door...
Yes, there were rain gutter assemblies originally. The first image is the gutter. The second image is the engineering drawing of the cover for the 150-A Station Wagon. The 82-A closed cab used a shorter cover of the same design.
Refer to the Service Bulletins (page 421). The AA will then have two different wheel styles and wheel bolt nuts (aka lug nuts). A spare wheel will be an issue.
Locking up??? Never heard of such a problem.
For Sale: T door hinges. On-door hinge halves; three prong. Make offer or $150. $15 USPS shipping.
Contact Neil Wilson @ neil@aafords.com (sorry, I don't use messaging).
The body pad shown (as extracted from Brent's photo) was used on the 1928—June-1930 82-A (as well as other 1928/1929 A bodies). The pad fit under the body (not attached to the front body block).