I need the front doors for my 1200 sedan 2dr and i've found one but its the coupe fastback. Does anyone know if there the same???

no the frames are different.
The 2 door sedan uses the same windscreen angle as the 4 door.
The coupe windscreen angle is laid more flat, therefore the different door frames.
You can use a coupe door but cut the frame off and attach a 4 door frame, but youll need to weld in an extra length for the width of the door...as the 4-door doors are shorter. Does that all make sense, sorry but Im a mixed up Skippy the bush Kangaroo...still on a high from yesterday race practice.

Hey there, I'm going thgrough the same thing on my 2 door at the moment. I'm using the frames from the old "dented and rusty doors" and putting them on coupe door shells... EASY. cheers. Adam

check this out... I have my doors for my 2dr sedan but the previous owner took the windows off and replaced it with plexiglass. Can i use the fastback window, rail, and swivel glass.

The glass has a different shape ...

2-dr sedan and 2-dr coupe have the same length door, and the outside skin is the same. That's about it.