I have 15x7 Magnums up front, 15x8's in the rear. No worries for alignment at all...
When it came time for the GTX to actually hit the road for the first time in decades, I asked a local tire chain branch
alignment guy if he'd ever done an old Mopar (he was a younger fella).
He checked his machines' computer, then pulled out a greasy old manual and checked.
"Yup" he said confidently.
Not being real confident in all that, I brought the car to him anyways...
He hooked up everything and did his thing. In the end, amazingly everything was pretty close, especially caster/camber.
Toe needed a little work, to be expected but when done, he handled the job without so much as a raised eyebrow.
Even told me the car was "surprisingly square". When I asked what that meant, he said the diagonals were damn near
identical, which is amazing given the serious amount of metal that was cut out and replaced before I got it.
Moral to the story is that there
are young folks capable and trained to handle these old critters, even out here in flyover
country, thank heavens.