Seat Interchange?

I have a 74 Dart Sport and the seat is not too swell. Just to get my car going, I am going to take the seat out of my 76 A body. I know that these cars came with a CAT on them and I belive the floor is different.

Will the 76 seat go directly into the 74?

I don't want to modify anything. Just swap them.

Thanks, ROB