I am pretty sure that between those two years, the front panels would be the same. The rear interior panels will be different ... starting in 72 they incorporated the seat belts into them, and the shape of the rear seat is different too.
Here is a thread covering rear panels. http://mmb.maverick.to/showthread.php?t=35488&highlight=panels+101
front kick panels will be the same IF both cars had a package tray.... the kick panels for glove box cars are different