72 and up side marker lights on a 70 fender

An air file will make quick work out of making the triangle opening for the new lights.
What part of VA are you in? If you close enough you can drop by and I would be happy to help you out.
Way down on the end near Tennessee thanks for the offer though! As the 72 duster lights are in the same place as opposed to the dart being above the body line I think I could fabricate the filler plate for the larger 1970 hole with the holes for the 1972 in it and keep everything overall straight. The tabs for the 1970 lights could also help support a filler panel I think.