Pos	Class	Date	Race	Entrant / Team	Chassis	Championship
DNF	GTO	1986-03-22	1986 IMSA Sebring 12 hours	Dave Heinz Imports S	Chevrolet Corvette	IMSA
6	GTO	1986-02-02	1986 IMSA Daytona 24 hours	Dave Heinz Imports S	Chevrolet Corvette	IMSA
DNF	GTP	1984-11-25	1984 IMSA Daytona Finale 3 Hours	Don Yenko	Chevrolet Camaro	IMSA
DNF	GTO	1981-08-23	III Elkhart Lake 500 miles	Don Yenko	Chevrolet Corvette	World Sportscar
DNF	Trans-Am	1980-07-05	XIII Watkins Glen 6 hours	University of Pittsburgh S	AMC Javelin	World Sportscar
DNF	GTO	1980-02-03	XIX Daytona 24 hours	Yenko Sports Cars Inc. S	Chevrolet Corvette	World Sportscar
DNF	GTX	1979-02-03	XVIII Daytona 24 hours	Don Yenko	Chevrolet Monza	World Sportscar
DNF	GTO	1978-02-03	XIII Daytona 24 hours	Don Yenko	Chevrolet Corvette	World Sportscar
DNF	GTO	1977-02-05	XII Daytona 24 hours	Red Roof Inns S	Chevrolet Monza	World Sportscar
13	GTO	1975-02-01	X Daytona 24 hours	Don Yenko	Chevrolet Corvette	World Sportscar
7	GT	1973-07-21	VI Watkins Glen 6 hours	Don Yenko	Ferrari 365 GTB/4 Daytona	World Sportscar
DNQ	GT	1973-06-09	XLI Grand Prix des 24 heures du Mans	John Greenwood Racing S	Chevrolet Corvette	World Sportscar
DNF	GT	1973-02-03	VIII Daytona 24 hours	Don Yenko	Chevrolet Corvette	World Sportscar
13	GT	1972-03-25	XX Sebring 12 hours	John Greenwood Racing S	Chevrolet Corvette	World Sportscar
DNF	GT	1972-02-06	I Daytona 6 hours	Don Yenko	Chevrolet Corvette	World Sportscar
2	GT>2.5	1971-07-24	IV Watkins Glen 6 hours	Tri City Corvette Club S	Chevrolet Corvette	World Sportscar
DNF	GT>2.5	1971-03-20	XIX Sebring 12 hours P	Troy Promotions Inc. S	Chevrolet Corvette	World Sportscar
1	GT>2.5	1971-01-30	VI Daytona 24 hours P	Owens-Corning Fibreglass S	Chevrolet Corvette	World Sportscar
1	GT	1970-07-11	III Watkins Glen 6 hours	Don Yenko	Chevrolet Camaro 427	World Sportscar
5	GT	1970-03-21	XVIII Sebring 12 hours	Marlbank Racing Team S	Chevrolet Camaro	World Sportscar
DNF	GT	1970-01-31	V Daytona 24 hours	Don Yenko	Chevrolet Camaro	World Sportscar
8	O2L	1969-08-10	1969 Trans-Am Watkins Glen	Don Yenko	Chevrolet Camaro	Trans-Am
7	O2L	1969-08-03	1969 Trans-Am St. Jovite	Don Yenko	Chevrolet Camaro	Trans-Am
DNF	GT	1969-07-12	II Watkins Glen 6 hours	Yenko Sports Cars Inc. S	Chevrolet Camaro 427	World Sportscar
DNF	O2L	1969-06-08	1969 Trans-Am Mid-Ohio	Yenko Sports Cars Inc.	Chevrolet Camaro	Trans-Am
DNF	O2L	1969-05-30	1969 Trans-Am Lime Rock	Best Photo Service	Chevrolet Camaro	Trans-Am
DNF	O2L	1969-05-11	1969 Trans-Am Michigan	Best Photo Service	Chevrolet Camaro	Trans-Am
1	GT	1969-03-22	XVII Sebring 12 hours	Best Photo Service S	Chevrolet Camaro Z28	World Sportscar
DNF	Touring	1969-02-01	IV Daytona 24 hours	Best Photo Service S	Chevrolet Camaro	World Sportscar
DNF	GT	1968-07-14	I Watkins Glen 6 hours P	Sunray DX Oil Company S	Chevrolet Corvette	World Sportscar
DNF	GT	1968-03-23	XVI Sebring 12 hours	Sunray DX Oil Company S	Chevrolet Corvette	World Sportscar
4	GT	1968-02-03	III Daytona 24 hours	Sunray DX Oil Company S	Chevrolet Corvette	World Sportscar
2	GT	1967-04-01	XV Sebring 12 hours	Sunray DX Oil Company S	Chevrolet Corvette	World Sportscar
2	GT	1966-03-26	XIV Sebring 12 hours	Don Yenko	Chevrolet Corvette StingRay	World Sportscar
DNF	S2.0	1966-02-05	I Daytona 24 hours	Don Yenko	Volvo P1800	World Sportscar
DNF	GT	1965-03-27	XIII Sebring 12 hours	Don Yenko	Chevrolet Corvette	World Sportscar
DNF	GT	1965-02-28	II Daytona 2000 kms	Don Yenko	Chevrolet Corvette	World Sportscar

Fastest Laps

No Fastest Laps

Pole Positions

Championship	Date	Race	Entrant / Team
IMSA	1971-09-19	1971 IMSA Summit Point 250 Miles	Private entry
World Sportscar	1971-03-20	XIX Sebring 12 hours	Owens-Corning Fibreglass
World Sportscar	1971-01-30	VI Daytona 24 hours	Owens-Corning Fibreglass
World Sportscar	1968-07-14	I Watkins Glen 6 hours	Sunray DX Oil Company

Wins

Championship	Date	Race	Entrant / Team	Chassis
IMSA	1971-11-21	1971 IMSA Daytona 200 Miles	Don Yenko	Chevrolet Corvette

Standings

Position	Championship	Year
29	IMSA SportsCar	1974
3	IMSA SportsCar GTO	1971

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