same car, but he took no part in either qualifying or the race. — Toulo de Graffenried qualified and drove the race in the #36 Alfa Romeo. Consalvo Sanesi was also entered in the car, but injury prevented his participation in the Grand Prix. — Felice Bonetto qualified and drove 29 laps of the race in the #40 Alfa Romeo. Nino Farina, whose own vehicle had already retired, took over the car for a further 50 laps. — Maurice Trintignant qualified the #50 Simca-Gordini but was secretly replaced for the race by Jean Behra. Classification Qualifying Race Notes – Includes 1 point for fastest lap – Behra secretly replaced the unwell Trintignant for the race. Team principal Amédée Gordini did not inform the race organizers about the switch as it would have cut the team's starting fee. Behra even wore his compatriot's helmet to disguise the switch. Shared drive Farina (50 laps) took over from Bonetto (29) after Farina's car retired. Points for 3rd position were shared between the drivers (Farina received 1 extra point for setting the fastest race lap). Championship standings after the race Drivers' Championship standings Note: Only the top five positions are listed. Only the best 4 results counted towards the Championship. Numbers without parentheses are Championship points; numbers in parentheses are total points scored. References Italian Italian Grand Prix 1951 in Italian motorsport Italian