My quick Craigslist search. Are you after more looks of a muscle car or sound? You can find some clean "small motor" small v8 or even 6 cylinder older cars that will have the look, but to me nothing draws attention better than a rowdy big block pulling into a parking lot. Also, I like to use searchtempest to look for stuff on all craigslist when looking for cars, boats, bikes, ect. Pretty sure you know of it though.
https://columbus.craigslist.org/cto/5709323734.html
https://columbus.craigslist.org/cto/5697569277.html
https://dayton.craigslist.org/cto/5735471036.html
https://columbus.craigslist.org/cto/5726938169.html
https://columbus.craigslist.org/cto/5691133643.html
https://columbus.craigslist.org/cto/5731018157.html
https://columbus.craigslist.org/cto/5724483492.html
https://dayton.craigslist.org/cto/5670514164.html