Monday 29th May 1972
In the first full run of the Porsche 917/10 Can-Am racer, at a secret test session at Mosport Park in Canada, Mark Donohue lapped the circuit three seconds faster than the existing Formula One record.
In the first full run of the Porsche 917/10 Can-Am racer, at a secret test session at Mosport Park in Canada, Mark Donohue lapped the circuit three seconds faster than the existing Formula One record
