The engine looked clean, only MOD I saw under the hood was one of those re-circulating oil filter set-ups.
It had an Amsoil filter mounted to the pass. side frame.
No signs of puking, of course I do not know if it has a history of being chipped, programmed, etc.
Nice look'n "Sheenry" Bama, Looks like both have been taken care of real good by the prev. owners.
I always look for those little dabs of paint on engine bolts, parts and pieces.. to show if they've ever been out or apart. Screw holes under the Dash and the PCM bracket bolts too. Extra holes in the Firewall also.
Some Sales Persons get sideways when you do that stuff but HEY.. when yer spend'n yer hard earned money ? I think you have the Right.
An Oil Refiner is a sure sign of someone who cared, IMO.