Tom’s Refurb pulled a 1966 Mustang fastback out from under a trailer home after twenty years of neglect, and what might be a real GT turns into a rebuild full of honest, unedited mistakes — including one so specific that a retired service manager couldn’t stop laughing while he watched it happen. Between a recurring cameo from a neighbor named Papa John and a T-shirt that doesn’t survive the shoot intact, this is barn-find content built on candor instead of polish. What actually went wrong with that oil pump?