Im no Bently or Packard expert Rich, Im just quoting Automobile and Motor Trands May 08 articles that both say the same thing. "Bentley belives this Packard inspired engine to be the oldest V8 in production, since 1959, when its power was described as adequate." Automobile "The ageless 6 3/4 liter V8 under the hood traces its origins to a 1950's Packard design" Motor Trend. Dont shoot the messenger. There is a Bentley Contental GT Speed with a W-12 engine with twin turbos and 600 HP also