Sebring International Raceway2:30.460
Porsche 917 K
Group 5 · race · 1971
Jo Siffert
Racing driver
Jo Siffert is credited in published circuit-record results. The recorded vehicle, timing, date and source are listed below.
Track times
Verified results in VehicleRef
Circuit de Spa-Francorchamps3:14.600
Porsche 917K
Group 5 · race · 1971
Daytona International Speedway1:48.700
Porsche 917K
Group 4 · race · 1970
Daytona International Speedway1:54.000
Porsche 908L
Group 6 · race · 1969