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Year: 1973

Manufacturer: Porsche

Model: 917/30 Can-Am Spyder

Country: USA

Rob Kauffman

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1973 Porsche 917/30 Can-Am Spyder

Best of Show, Concours de Sport, Amelia Island 2020

Although the Porsche 917/10 dominated and won the 1972 Can-Am season, Porsche continued its development and for 1973, constructed the most powerful racing car ever, the 917/30. 

Exclusive to Team Penske, the 917/30 was bigger in every aspect compared to the 1972 racer. The engine’s displacement was increased to 5.4 liters, which saw the performance rise to at least 1100 hp in race trim and over 1500 hp at full boost. A new aerodynamic body was fitted over a longer wheelbase chassis which increased the top speed and improved the handling considerably.

In the 1973 season, there was no stopping the ‘Turbo Panzer’ and in some races it would even lap 2nd place. Mark Donohue handily won the championship with chassis 003, acquiring more than twice as many points as 2nd place. In 1975, on the banked oval at the Talladega Superspeedway, Donohue drove chassis 003 to a new FIA record for the fastest closed-course lap at 221.120 mph. This record would stand for 11 years and is still the fastest lap at Talladega.


Engine: 5.4 liter, flat-12 cylinder, twin-turbo, air-cooled, Bosch fuel injection

Horsepower: 1500+

Torque: 820 ft / lbs

Top Speed: 250+ mph

Transmission: Type 920 four-speed

Weight: 1950 lbs / 885 kgs


0-60 mph: 1.9 seconds, 0-100 mph: 3.9 seconds, 0-200 mph: 10.9 seconds


Can-Am Mosport, 7th place

Can-Am Road Atlanta, 2nd place

Can-Am Watkins Glen, 1st place

Can-Am Mid-Ohio, 1st place

Can-Am Road Atlanta, 1st place

Can-Am Edmonton, 1st place

Can-Am Laguna Seca, 1st place

Can-Am Riverside, 1st place


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