Fordors and Tudors are both sedans but they are different kind of cars.
Fordors are usually more formal and upscale.
Tudors were the entry level sedan and they sold a ton of them.
Fordors usually have a lot of wood that can be a problem and difficult to deal with.
Tudors are mostly steel with most of the wood in the upper part of the body where it is not as subject to rot. Replacing wood in a Tudor soes not require disassemble of the body itself.
Fordors are a little heavier so for the same horsepower, the performance is not quite as good as a Tudor.
Tudors have big front doors and are easier to get into and out of.
The seats in a Tudor can be easily moved back to give you more leg room.
Fordor seats are more comfortable than Tudor seats.
If you are going to use a Tudor for long distance touring, it is easy to retrofit more modern seats that are more comfortable.
Tudors make very good tour cars. They are lighter, have big front doors, the seats can be easily moved back or replaced (upgraded) and the rear seat area is very spacious so you have lots of room to carry all your stuff.
A Tudor is usually not as valuable that a Fordor in the same condition.
Both body styles have their advantages. You have to decide for yourself what you are looking for and how you are going to use the car.
I think the most important thing is to buy a car that is basically sound with minimal or no rot or rust issues. You have to factor in how much of the needed work you can do and what your expectations are for the car. Beings you already have a Model A, you have an understanding what these cars are all about.
About 5 years ago, I bought a Vicky. It looked decent from 20 feet and was basically sound with very little rust and rot issues. However the brakes were bad, the cooling system was a mess, the rear end leaked very bad, the windows would not work very well, the shocks had been replaced with some old aftermarket friction units, it had some terrible rattles in it. and the engine itself was marginal and it would hardly run.
I have picked at the car over the past five years and have taken care of all the mechanical issues except the engine (which I have the new one all finished and ready to install). I have too much money in the car but I like it and have enjoyed fixing all the stuff that needed attention. To me, that is what is important. I like the looks of the car and it draws a lot of attention when I take it out for a drive. It has even bigger front doors than my Tudor.
Again, these are just my opinions.
Chris W.