The second year of IROC competition took place over three weekends in 1974 and 1975. IROC II saw the use of the Chevrolet

Chevrolet

Chevrolet , also known as Chevy , is a brand of vehicle produced by General Motors Company . Founded by Louis Chevrolet and ousted GM founder William C. Durant on November 3, 1911, General Motors acquired Chevrolet in 1918...

 Camaro in all races, which replaced the Porsche

Porsche

Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

 Carrera

Carrera

Carrera, de la Carrera or Karrera is a surname originated in Venice, Italy. Later, also a Basque surname from Alegría de Oria and Amezketa, in Guipúzcoa . Other references show that is a Castilian surname...

 RSR race cars used in the first year of competition. The only track carried over from the first year was Riverside International Raceway

Riverside International Raceway

Riverside International Raceway was a race track or road course in Riverside, California. The track was in operation from September 22, 1957, to July 2, 1989...

, as the series raced on the oval at Daytona International Speedway

Daytona International Speedway

Daytona International Speedway is a race track in Daytona Beach, Florida, United States. Since opening in 1959, it has been the home of the Daytona 500, one of the most prestigious races in NASCAR. In addition to NASCAR, the track also hosts races of ARCA, AMA Superbike, Grand-Am and Motocross...

 instead of the infield road course. Michigan International Speedway

Michigan International Speedway

Michigan International Speedway is a two-mile moderate-banked D-shaped superspeedway located off U.S. Highway 12 on more than in Brooklyn, in the scenic Irish Hills area of southeastern Michigan. The track is used primarily for NASCAR events. It is sometimes known as a "sister track" to Texas...

 was also added as the second oval in the schedule, which consisted of four races. Bobby Unser

Bobby Unser

Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...

 was the series champion, and took home $41,000 for his efforts.

The roster of drivers and final points standings were as follows:

Position	Driver	Winnings	Series
1	Bobby Unser Bobby Unser Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...	$41,000	USAC Champ Car Champ Car Champ Car was the name for a class and specification of open wheel cars used in American Championship Car Racing for many decades, primarily for use in the Indianapolis 500 auto race...
2	A. J. Foyt A. J. Foyt Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt , is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won...	$27,600	USAC Champ Car Champ Car Champ Car was the name for a class and specification of open wheel cars used in American Championship Car Racing for many decades, primarily for use in the Indianapolis 500 auto race...
3	Cale Yarborough Cale Yarborough William Caleb "Cale" Yarborough , is a farmer, businessman and former NASCAR Winston Cup Series driver and owner. He is one of only two drivers in NASCAR history to win three consecutive championships...	$22,200	NASCAR NASCAR The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...  Winston Cup
4	Bobby Allison Bobby Allison Robert Arthur Allison is a former NASCAR Winston Cup driver and was named one of NASCAR's 50 greatest drivers. His two sons, Clifford Allison and Davey Allison followed him into racing, and both died within a year of each other....	$20,400	NASCAR NASCAR The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...  Winston Cup
5	Emerson Fittipaldi Emerson Fittipaldi Emerson Fittipaldi |São Paulo]], Brazil) is a Brazilian automobile racing driver who throughout a long and successful career won the Indianapolis 500 twice and championships in both Formula One and CART.-Early and personal life:...	$18,300	Formula One Formula One Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...
6	David Pearson	$16,500	NASCAR NASCAR The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...  Winston Cup
7	George Follmer George Follmer George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....	$15,300	SCCA Sports Car Club of America The Sports Car Club of America is a club and sanctioning body supporting road racing, rallying, and autocross in the United States. Formed in 1944, it runs many programs for both amateur and professional racers.-History:...
8	Ronnie Peterson Ronnie Peterson Bengt Ronnie Peterson was a Swedish racing driver. He was a two-time runner-up in the FIA Formula One World Drivers' Championship.Peterson began his motor racing career in kart racing, traditionally the discipline where the majority of race drivers begin their careers in open-wheel racing...	$12,300	Formula One Formula One Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...
9	Johnny Rutherford Johnny Rutherford For the Major League Baseball pitcher, see Johnny Rutherford . For other people with a similar name, see John RutherfordJohn Sherman Rutherford III , better known as Johnny Rutherford, and also known as "Lone Star JR" is a former U.S...	$9,900	USAC Champ Car Champ Car Champ Car was the name for a class and specification of open wheel cars used in American Championship Car Racing for many decades, primarily for use in the Indianapolis 500 auto race...
10	Richard Petty Richard Petty Richard Lee Petty is a former NASCAR driver who raced in the Strictly Stock/Grand National Era and the NASCAR Winston Cup Series...	$6,000	NASCAR NASCAR The National Association for Stock Car Auto Racing is a family-owned and -operated business venture that sanctions and governs multiple auto racing sports events. It was founded by Bill France Sr. in 1947–48. As of 2009, the CEO for the company is Brian France, grandson of the late Bill France Sr...  Winston Cup
11	Graham Hill Graham Hill Norman Graham Hill was a British racing driver and two-time Formula One World Champion. He is the only driver to win the Triple Crown of Motorsport — the 24 Hours of Le Mans, Indianapolis 500 and Formula One World Championship.Graham Hill and his son Damon are the only father and son pair both to...	$5,400	Formula One Formula One Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...
12	Jody Scheckter Jody Scheckter Jody David Scheckter is a South African former auto racing driver, the Formula One World Drivers Champion.-Career:Scheckter was born in East London, South Africa and educated at Selborne College.-Formula One:...	$4,500	Formula One Formula One Formula One, also known as Formula 1 or F1 and referred to officially as the FIA Formula One World Championship, is the highest class of single seater auto racing sanctioned by the Fédération Internationale de l'Automobile . The "formula" designation in the name refers to a set of rules with which...

Michigan International Speedway, Race One

1. Bobby Unser
   Bobby Unser
   Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...
   
   
2. Cale Yarborough
   Cale Yarborough
   William Caleb "Cale" Yarborough , is a farmer, businessman and former NASCAR Winston Cup Series driver and owner. He is one of only two drivers in NASCAR history to win three consecutive championships...
   
   
3. David Pearson
4. Bobby Allison
   Bobby Allison
   Robert Arthur Allison is a former NASCAR Winston Cup driver and was named one of NASCAR's 50 greatest drivers. His two sons, Clifford Allison and Davey Allison followed him into racing, and both died within a year of each other....
   
   
5. George Follmer
   George Follmer
   George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....
   
   
6. Emerson Fittipaldi
   Emerson Fittipaldi
   Emerson Fittipaldi |São Paulo]], Brazil) is a Brazilian automobile racing driver who throughout a long and successful career won the Indianapolis 500 twice and championships in both Formula One and CART.-Early and personal life:...
   
   
7. Ronnie Peterson
   Ronnie Peterson
   Bengt Ronnie Peterson was a Swedish racing driver. He was a two-time runner-up in the FIA Formula One World Drivers' Championship.Peterson began his motor racing career in kart racing, traditionally the discipline where the majority of race drivers begin their careers in open-wheel racing...
   
   
8. Johnny Rutherford
   Johnny Rutherford
   For the Major League Baseball pitcher, see Johnny Rutherford . For other people with a similar name, see John RutherfordJohn Sherman Rutherford III , better known as Johnny Rutherford, and also known as "Lone Star JR" is a former U.S...
   
   
9. A. J. Foyt
   A. J. Foyt
   Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt , is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won...
   
   
10. Richard Petty
    Richard Petty
    Richard Lee Petty is a former NASCAR driver who raced in the Strictly Stock/Grand National Era and the NASCAR Winston Cup Series...
    
    
11. Graham Hill
    Graham Hill
    Norman Graham Hill was a British racing driver and two-time Formula One World Champion. He is the only driver to win the Triple Crown of Motorsport — the 24 Hours of Le Mans, Indianapolis 500 and Formula One World Championship.Graham Hill and his son Damon are the only father and son pair both to...
    
    
12. Jody Scheckter
    Jody Scheckter
    Jody David Scheckter is a South African former auto racing driver, the Formula One World Drivers Champion.-Career:Scheckter was born in East London, South Africa and educated at Selborne College.-Formula One:...
    
    

Riverside International Raceway, Race Two

1. Emerson Fittipaldi
   Emerson Fittipaldi
   Emerson Fittipaldi |São Paulo]], Brazil) is a Brazilian automobile racing driver who throughout a long and successful career won the Indianapolis 500 twice and championships in both Formula One and CART.-Early and personal life:...
   
   
2. George Follmer
   George Follmer
   George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....
   
   
3. A. J. Foyt
   A. J. Foyt
   Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt , is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won...
   
   
4. David Pearson
5. Richard Petty
   Richard Petty
   Richard Lee Petty is a former NASCAR driver who raced in the Strictly Stock/Grand National Era and the NASCAR Winston Cup Series...
   
   
6. Jody Scheckter
   Jody Scheckter
   Jody David Scheckter is a South African former auto racing driver, the Formula One World Drivers Champion.-Career:Scheckter was born in East London, South Africa and educated at Selborne College.-Formula One:...
   
   
7. Ronnie Peterson
   Ronnie Peterson
   Bengt Ronnie Peterson was a Swedish racing driver. He was a two-time runner-up in the FIA Formula One World Drivers' Championship.Peterson began his motor racing career in kart racing, traditionally the discipline where the majority of race drivers begin their careers in open-wheel racing...
   
   
8. Cale Yarborough
   Cale Yarborough
   William Caleb "Cale" Yarborough , is a farmer, businessman and former NASCAR Winston Cup Series driver and owner. He is one of only two drivers in NASCAR history to win three consecutive championships...
   
   
9. Johnny Rutherford
   Johnny Rutherford
   For the Major League Baseball pitcher, see Johnny Rutherford . For other people with a similar name, see John RutherfordJohn Sherman Rutherford III , better known as Johnny Rutherford, and also known as "Lone Star JR" is a former U.S...
   
   
10. Graham Hill
    Graham Hill
    Norman Graham Hill was a British racing driver and two-time Formula One World Champion. He is the only driver to win the Triple Crown of Motorsport — the 24 Hours of Le Mans, Indianapolis 500 and Formula One World Championship.Graham Hill and his son Damon are the only father and son pair both to...
    
    
11. Bobby Unser
    Bobby Unser
    Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...
    
    
12. Bobby Allison
    Bobby Allison
    Robert Arthur Allison is a former NASCAR Winston Cup driver and was named one of NASCAR's 50 greatest drivers. His two sons, Clifford Allison and Davey Allison followed him into racing, and both died within a year of each other....
    
    

Riverside International Raceway, Race Three

1. Bobby Allison
   Bobby Allison
   Robert Arthur Allison is a former NASCAR Winston Cup driver and was named one of NASCAR's 50 greatest drivers. His two sons, Clifford Allison and Davey Allison followed him into racing, and both died within a year of each other....
   
   
2. Bobby Unser
   Bobby Unser
   Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...
   
   
3. Emerson Fittipaldi
   Emerson Fittipaldi
   Emerson Fittipaldi |São Paulo]], Brazil) is a Brazilian automobile racing driver who throughout a long and successful career won the Indianapolis 500 twice and championships in both Formula One and CART.-Early and personal life:...
   
   
4. A. J. Foyt
   A. J. Foyt
   Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt , is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won...
   
   
5. George Follmer
   George Follmer
   George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....
   
   
6. Graham Hill
   Graham Hill
   Norman Graham Hill was a British racing driver and two-time Formula One World Champion. He is the only driver to win the Triple Crown of Motorsport — the 24 Hours of Le Mans, Indianapolis 500 and Formula One World Championship.Graham Hill and his son Damon are the only father and son pair both to...
   
   
7. Johnny Rutherford
   Johnny Rutherford
   For the Major League Baseball pitcher, see Johnny Rutherford . For other people with a similar name, see John RutherfordJohn Sherman Rutherford III , better known as Johnny Rutherford, and also known as "Lone Star JR" is a former U.S...
   
   
8. Ronnie Peterson
   Ronnie Peterson
   Bengt Ronnie Peterson was a Swedish racing driver. He was a two-time runner-up in the FIA Formula One World Drivers' Championship.Peterson began his motor racing career in kart racing, traditionally the discipline where the majority of race drivers begin their careers in open-wheel racing...
   
   
9. Cale Yarborough
   Cale Yarborough
   William Caleb "Cale" Yarborough , is a farmer, businessman and former NASCAR Winston Cup Series driver and owner. He is one of only two drivers in NASCAR history to win three consecutive championships...
   
   
10. Richard Petty
    Richard Petty
    Richard Lee Petty is a former NASCAR driver who raced in the Strictly Stock/Grand National Era and the NASCAR Winston Cup Series...
    
    
11. David Pearson
12. Jody Scheckter
    Jody Scheckter
    Jody David Scheckter is a South African former auto racing driver, the Formula One World Drivers Champion.-Career:Scheckter was born in East London, South Africa and educated at Selborne College.-Formula One:...
    
    

Daytona International Speedway, Race Four

1. Bobby Unser
   Bobby Unser
   Robert William "Bobby" Unser is a retired U.S. automobile racer. He is the brother of Al Unser, Jerry Unser and Louie Unser, the father of Robby Unser, and the uncle of Al Unser, Jr. and Johnny Unser...
   
   
2. A. J. Foyt
   A. J. Foyt
   Anthony Joseph Foyt, Jr., or as he is universally known as in motorsports circles, A. J. Foyt , is a retired American automobile racing driver. He raced in numerous genres of motorsports. His open wheel racing includes USAC Champ cars and midget cars. He raced stock cars in NASCAR and USAC. He won...
   
   
3. Cale Yarborough
   Cale Yarborough
   William Caleb "Cale" Yarborough , is a farmer, businessman and former NASCAR Winston Cup Series driver and owner. He is one of only two drivers in NASCAR history to win three consecutive championships...
   
   
4. Bobby Allison
   Bobby Allison
   Robert Arthur Allison is a former NASCAR Winston Cup driver and was named one of NASCAR's 50 greatest drivers. His two sons, Clifford Allison and Davey Allison followed him into racing, and both died within a year of each other....
   
   
5. David Pearson
6. Emerson Fittipaldi
   Emerson Fittipaldi
   Emerson Fittipaldi |São Paulo]], Brazil) is a Brazilian automobile racing driver who throughout a long and successful career won the Indianapolis 500 twice and championships in both Formula One and CART.-Early and personal life:...
   
   
7. Ronnie Peterson
   Ronnie Peterson
   Bengt Ronnie Peterson was a Swedish racing driver. He was a two-time runner-up in the FIA Formula One World Drivers' Championship.Peterson began his motor racing career in kart racing, traditionally the discipline where the majority of race drivers begin their careers in open-wheel racing...
   
   
8. George Follmer
   George Follmer
   George Follmer is a retired American race car driver, and one of the most successful road racers of the 1970s. He was born in Phoenix, Arizona....
   
   
9. Johnny Rutherford
   Johnny Rutherford
   For the Major League Baseball pitcher, see Johnny Rutherford . For other people with a similar name, see John RutherfordJohn Sherman Rutherford III , better known as Johnny Rutherford, and also known as "Lone Star JR" is a former U.S...
   
   

External links

• IROC II History - IROC Website