It's a custom. It's a hot rod. Hey, it's both--a custom rod. Dave Wolk's basic black Merc is a perfect example of traditional hot rod styling applied to a custom-oriented car. A dual-quad Chevy small-block, five-speed tranny and P.S. Engineering knock-offs back up the performance image, but the Merc became a CRM Top 10 shoe-in when I spied the cool red interior with Impala seats, a 'Vette wheel and a '56 Olds dash.