This very unique 1978 Oldsmobile 442 is for sale on eBay (ESD may earn commisions when a product is purchased from this link) in Jackson, New Jersey. The car was built by Bill Porterfield who was an Oldsmobile engineer and owner of Mid-Engineering with help from John Kuchar and Mike McCloud. It was also named Hot Rod Magazine’s Street Machine of the Year for 1978. The engine is a 403 ci Oldsmobile V8 with a Dyer 6-71 supercharger connected to a Toronado transaxle. The engine was installed using a universal subframe by Mid-Engineering. The rear suspension was built using Corvette torque arms, coilovers and disc brakes.