Yes
yes, it will fit in
Yes the front seats from a 89 mustang v6 will fit in a 91 mustang, the tracks are the same.
It is possible that a Mustang transmission will fit in a Lincoln Mark VII. It is likely that the clutch plate and the pilot bearing will have to be changed.
What all ford manual transmissions fit on a 89 mustang 5.0 gt
Doors from a 1978-87 El Camino or GMC Caballero
It could be done, yes.
Yes they are the same.
1981-1988
No, El Caminos had unique door designs
No
Station wagon rear doors will not fit on a 4 door sedan. Otherwise the doors are interchangeable in the same positions.
No they can not as the fenders and doors are shaped different.