This add just posted on CL and I didn't catch it at first but what is going on with the rear wheels it looks like a tire way to small for a rim that is too wide for the car and the tire.
https://detroit.craigslist.org/wyn/cto/d/clinton-township-85-chevy-monte-carlo-ss/6797399213.html
https://detroit.craigslist.org/wyn/cto/d/clinton-township-85-chevy-monte-carlo-ss/6797399213.html