1975 - Zeltweg 1000 km

29 June 1975 - Österreichring, Zeltweg, Austria

Reinhold Joest & Mario Casoni 3rd in a Porsche 908/03 Turbo

Overall - 3rd : S3.0 - 3rd : GT - 1st

No.	Car	#	Class	Drivers	Entrant	Pos	Class	Grid	Notes
5	Porsche 908/03 Turbo	908/03-008	S3.0	Reinhold Jöst (D)/Mario Casoni (I)	Scuderia Nettuno Ovoro (D)	3rd	3rd	4th	102 laps
6	Porsche 908/03	908/03-012	S3.0	Jürgen Barth (D)/Ernst Kraus (D)	Scuderia Nettuno (D)	4th	4th	8th	92 laps
4	Porsche 908/03 Turbo	908/03-006	S3.0	Herbert Müller (CH)/Leo Kinnunen (FI)	Dr. H. Dannesberger (D)	9th	5th	5th	84 laps
15	Porsche 908/02		S3.0	Guillermo Ortega (EC)/Lothar Ranft (EC)/Xavier Espinosa (EC)	Ecuador Marlboro (EC)	11th	6th	20th	81 laps
35	Porsche 911 Carrera RSR		GT	Franz Doppler (A)/Horst Felbermayr (A)	Porsche Club Oberoesterreich (A)	12th	1st	28th	80 laps