There was no way Porsche could build the necessary number of cars to qualify the 924 Carrera GTR for homologation approval in time for Le Mans in 1980, so the cars ran as GTP models. Three were ...

Porsche Penske Motorsport begins its begins its GTP title defense this weekend at the Roar Before the 24, a year on from its historic triumph at the Rolex 24 At Daytona.