Before regulations constricted automobile design, cars were small, lithe, and voluptuous. Engines were analog, transmissions were manual, and the experience was visceral. For much of Porsche's history, their use of air cooled engines helped to differentiate them from their competition. Air cooled engines, which were simple, lightweight, and great sounding, powered some of the marque's most winning, expressive, and iconic street and race cars.In this...