Can '73 Dart Sport fenders be used on a '68 Dart ?

I've been looking for a pair of fenders for my '68 Dart. I'm not restoring the car so I don't want to go the AMD route for new ones and spend a $1000.I'm just looking to make a respectable hot rod. I haven't had too much luck finding any used ones. I was wondering, can later model Dart fenders be used on my '68? I would plan on welding up the holes for the marker lights and maybe get creative and make the round marker light holes that would be needed. I just didn't know if there is any other factors that would make these not work. I found a pair of '73 Dart Sport fenders that I can get fairly reasonable. Anyone have any thoughts or experience with this?