The domination of Gulf-Wyer and Martini Porsches in 1971 was overwhelming. The only potential challenger to the 917 appeared early in the season: Roger Penske had bought a used 512S chassis that was dismantled and rebuilt beyond M specification.



Speed

Porsche 917/30

409 km/h

Variants

Porsche 917

  • 917PA
  • 917K
  • 917L
  • 917LH

Weight range

4.5-litre air-cooled

730-909kg