68 Dodge Dart GT wheel hub question...

Too late now, but you don't "pound out" studs on the front, without first using some method of removing the "swedge" at the top of the stud crown.

If you did not severely hurt the hubs, you might be able to braze / weld new studs in place, and replace the drum.

Disc conversion might be a good move, but the 73/ later conversion is "big bolt pattern."