i'll agree to that, any combo of 67~76 parts along with some aftermarket swap mounts could lead to some head scratching even among the most savvy of us.
i had a guy with a 70 dart big block that had a 67 K with some homebrewed mounts along with 73+ discs, but on small ball joint uppers with the adapters and some kind of amalgamated sway bar situation of bolt on bracketry that was part erector set, part meth fueled interpretation of advanced engineering degree dissertation. it was wild.
anything can happen in 50 years. pics help suss out what's going down.