<< Prev Page 2 of 2 In five-litre form, the turbocharged flat 12 was good for around 950 bhp; not for the faint of heart. In Mark Donohue and George Follmer Porsche found two drivers brave enough to take on the competition in their 917/10K. Donohue proved to be the faster of the two, but an accident early in the season left him out for most of the remaining races. This paved the way for George Follmer to finally challenge and beat the McLarens and secure the championship. In Europe the 917/10Ks were campaigned in 4.5 litre form, but it was still enough to clinch a one-two in the championship.
Although the McLarens were convincingly beaten in 1972, Porsche continued the development and constructed the most powerful racing car ever. Available only for Team Penske's driver Mark Donohue, the 917/30 was bigger in every aspect compared to the 1972 racer. The engine's displacement was increased to 5.4 litre, which saw the performance rise to at least 1100 bhp in race trim. A new longer and aerodynamically efficient body was fitted, which increased the top speed considerably. In the 1973 season there was no stopping the 'Turbo Panzer', and Mark Donohue won the championship.
As a side effect of the Porsche dominance, Can-Am was quickly losing teams and spectators and halfway through the 1974 season the challenge was cancelled. Porsche had also withdrawn at the end of the 1973, but the 917/30 was given one final outing in 1975. Specifically prepared for a high speed run, Donohue lapped the Talladega race track at an average of 221 mph in the 917/30, setting a new world record. A fitting finale for the Porsche 917's magnificent career. Unfortunately it was also the finale of Donohue's career, who fatally crashed ten days later during Formula 1 qualifying in Austria. << Prev Page 2 of 2
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In five-litre form, the turbocharged flat 12 was good for around 950 bhp; not for the faint of heart. In Mark Donohue and George Follmer Porsche found two drivers brave enough to take on the competition in their 917/10K. Donohue proved to be the faster of the two, but an accident early in the season left him out for most of the remaining races. This paved the way for George Follmer to finally challenge and beat the McLarens and secure the championship. In Europe the 917/10Ks were campaigned in 4.5 litre form, but it was still enough to clinch a one-two in the championship.