The Fabulous Porsche 917

Construction and homologation
Le Mans trials, disappointing races
Twenty-one hours at Le Mans
Victory at Osterreichring
Siffert's first Can-Am season
Enter John Wyer and J.W. Automotive
Piper in Japan, Africa and Argentina
Wyer Porsches dominate Daytona
Badly beaten by Ferrari at Sebring
A new langheck practices for Le Mans
Revenge in the rain at Brands Hatch
Rodriguez holds off Ferraris at Monza
Fastest-ever road race at SPA
A Le Mans victory at long last
One-two-four-six-nine at Watkins Glen
Repeat victory at Osterreichring
Neuhaus captures 1970 Interserie Title
Technical section:
- Engines
- Inside the 4.5-liter engine
- The 16-cylinder engine
- Gearbox and final drive
- Suspension and brakes
- General Specifications
- Comparative side-view drawings
- Aerodynamics
- The 1972 917/10K turbocharged Spyder
J.W. Porsches 1-2 at tragic Buenos Aires
Rodriguez wins Daytona again - just
Martini beats the Alfas at Sebring
Beaten by Alfa at Brands Hatch
J.W. One-Twos at Monza and SPA
Martini first, J.W. second at Le Mans
The end of Group 5 - victory in Austria, defeat at Watkins Glen
Siffert's final Can-Am season
Kinnunen takes 1971 Interserie Tittle, battles Kauhsen in 1972
Porsche and Penske test an all-new Spyder
Porsche fights McLaren in the Can-Am
Race by race, 1969-1972
The drivers