1973 Can-Am season

The 1973 Canadian-American Challenge Cup was the eighth season of the Can-Am auto racing series. It consisted of FIA Group 7 racing cars running two-hour sprint events. It began June 10, 1973, and ended October 28, 1973, after eight rounds. The season came amid the Oil Crisis, which ended interest in performance cars after an already-declining market over a several-year period. The golden age of the Trans Am Series ended after the 1972 season, leaving Can Am and Formula 5000 as the frontrunners of the SCCA. The season was also the penultimate season of the series, which would fold after 1974 before being revived in an entirely reworked series based on F5000 a few years later.

1973 Can-Am season
Previous: 1972 Next: 1974

Schedule

For 1973, the schedule was altered as the season continued on. The first race ran in a standard, single race format. Rounds two through four ran as two heats, with the results being determined by combined results. Rounds five through eight ran a Sprint qualifying heat first to determine the starting order for the Cup event. The results of the Sprint and Cup were not combined.

Rnd Race Circuit Date
1 Labatt's Blue Trophy Mosport Park June 10
2 Carling Can-Am Road Atlanta July 8
3 Watkins Glen Can-Am Watkins Glen International July 22
4 Buckeye Cup Mid-Ohio Sports Car Course August 12
5 Road America Can-Am Road America August 26
6 Molson Cup Edmonton Speedway Park September 16
7 Monterey Castrol Grand Prix Laguna Seca Raceway October 14
8 Los Angeles Times Grand Prix Riverside International Raceway October 28

Season results
The start of the Molson Cup at Edmonton Speedway Park. Mark Donohue's Sunono Porsche started in pole position.
Rnd Circuit Winning Team Results
Winning Driver
1 Mosport #23 Rinzler Motoracing Royal Crown Results
Charlie Kemp
2 Road Atlanta #16 Rinzler Motoracing Royal Crown Results
George Follmer
3 Watkins Glen #6 Roger Penske Enterprises Results
Mark Donohue
4 Mid-Ohio #6 Roger Penske Enterprises Results
Mark Donohue
5 Road America #6 Roger Penske Enterprises Results
Mark Donohue
6 Edmonton #6 Sunoco Porsche+Audi Results
Mark Donohue
7 Laguna Seca #6 Roger Penske Enterprises Results
Mark Donohue
8 Riverside #6 Roger Penske Enterprises Results
Mark Donohue

Drivers Championship

Points are awarded to the top ten finishers in the order of 20-15-12-10-8-6-4-3-2-1.

Pos Driver Team Car Engine Rd 1 Rd 2 Rd 3 Rd 4 Rd 5 Rd 6 Rd 7 Rd 8 Total
1 Mark Donohue Roger Penske Enterprises Porsche 917/30 Porsche 4 15 20 20 20 20 20 20 139
2 George Follmer Rinzler Motorracing Royal Crown Porsche 917/10 Porsche 20 15 12 15 62
3 Hurley Haywood Brumos Racing Porsche 917/10 Porsche 8 12 12 15 47
4 Charlie Kemp Rinzler Motorracing Royal Crown Porsche 917/10 Porsche 20 10 3 12 45
5 Bob Nagel Nagel Racing Lola T260 Chevrolet 12 6 6 4 6 10 44
6 Jody Scheckter Vasek Polak Racing Porsche 917/10 Porsche 12 12 15 39
7 David Hobbs Roy Woods Racing McLaren M20 Chevrolet 10 15 10 2 37
8 Scooter Patrick U.S. Racing McLaren M8F Chevrolet 10 1 10 6 3 1 31
9 Jackie Oliver Don Nichols Shadow DN2 Chevrolet 3 12 15 30
10 Steve Durst Vasek Polak Racing
Motschenbacher Racing		 Porsche 917/10
McLaren M8F		 Porsche
Chevrolet		 8
 		 4
 		 4
 		 1
 		  
8		  
1		  
3		 29
11 Bobby Brown Commander Motor Homes McLaren M8F Chevrolet 8 8 10 26
12 Milt Minter Commander Motor Homes
Otto Zipper Alfa Racing		 McLaren M8F
Alfa Romeo T33/3		 Chevrolet
Alfa Romeo		  
8		  
8		 16
13 Hans Wiedmer Hans Wiedmer Porsche 917/10 Porsche 15 15
14 Tom Dutton Burmester Racing McLaren M8C Chevrolet 6 4 1 4 15
15 John Cannon Motschenbacher Racing
Commander Motor Homes		 McLaren M8F
McLaren M20		 Chevrolet 6
 		 8
 		 14
16 Derek Bell Motschenbacher Racing McLaren M8F Chevrolet 10 10
17 Bob Peckham Bob Peckham McLaren M8C Chevrolet 4 6 10
18 Danny Hopkins Commander Motor Homes McLaren M8F Chevrolet 6 2 8
19 Tom Heyser Tom Heyser Lola T260 Chevrolet 3 3 1 7
20 Gary Wilson Gary Wilson McLaren M8E Chevrolet 2 4 6
21 Ed Felter Blue Magic Corporation McLaren M8E Chevrolet 3 1 4
22 John Cordts William Overhauser Racing McLaren M8D Chevrolet 2 2 4
23 Warren Agor Warren Agor Racing McLaren M8FP Chevrolet 3 3
24 Pete Sherman Dave Causey McLaren M8F Chevrolet 1 2 3
25= Peter Gregg Brumos Racing Porsche Carrera RSR Porsche 2 2
25= Hans Müller-Perschl Hans Müller-Perschl KWM SP20 Porsche 2 2

References
  • "Canadian-American Challenge Cup 1973". World Sports Racing Prototypes. 2 October 2005. Archived from the original on 2008-06-02. Retrieved 2008-01-19.
  • "Can-Am - final positions and tables". World Sports Racing Prototypes. 2 October 2005. Archived from the original on 2008-05-31. Retrieved 2008-01-19.
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