However, only one road-legal car uses actual race-driven Formula 1 engines—Lanzante’s Porsche 930 TAG Turbo ... and eventually turned it into a full-time career.

Sevian Daupi Porsche created the 930 to homologate the turbo for racing. By the time the production 911 Turbo appeared at Paris a year later, the 930 looked less like another raw Porsche racer.