Pos	Date	Race	Entrant / Team	Chassis	Championship	Time/DNF
32	1995-03-18	1995 IMSA Sebring 12 Hours	Gustl Spreng Racing	Porsche 911 Cup	IMSA	Mechanical
25	1995-02-05	1995 IMSA Daytona 24 hours	Gustl Spreng Racing	Porsche 911 Cup	IMSA
12	1994-03-19	1994 IMSA Sebring 12 Hours	Gustl Spreng Racing	Porsche Carrera	IMSA
31	1994-02-06	1994 IMSA Daytona 24 Hours		Porsche 911 RS	IMSA	Mechanical
20	1993-08-01	XLI 24 heures de Spa-Francorchamps	Private entry	Porsche 911 Carrera RS	Non-Championship - Sports
21	1993-06-20	LXI Grand Prix des 24 heures du Mans	Muhlbauer Motorsport	Porsche 911 Carrera RS	Non-Championship - Sports
30	1993-03-20	1993 IMSA Camel 12 Hours of Sebring	Pro-Technik	Fabcar CL - Porsche	IMSA

Pos	Class	Date	Race	Entrant / Team	Chassis	Championship
8	GTS-1	1995-03-18	1995 IMSA Sebring 12 Hours	Gustl Spreng Racing S	Porsche 911 Cup	IMSA
9	GTS-1	1995-02-05	1995 IMSA Daytona 24 hours	Gustl Spreng Racing S	Porsche 911 Cup	IMSA
4	GTS	1994-03-19	1994 IMSA Sebring 12 Hours	Gustl Spreng Racing S	Porsche Carrera	IMSA
14	GTU	1994-02-06	1994 IMSA Daytona 24 Hours	S	Porsche 911 RS	IMSA
4	GTP Lights	1993-03-20	1993 IMSA Camel 12 Hours of Sebring	Pro-Technik S	Fabcar CL - Porsche	IMSA

No Fastest Laps

No Pole Positions