Porsche 917

Lore & Background

The 917 was notoriously difficult to drive, often described as a 'rocket' that required immense courage. Its high-speed stability on the Mulsanne Straight pushed the limits of human tolerance and mechanical durability. Despite its dangers, it dominated Can-Am racing alongside its endurance successes. The car's legacy is defined not just by trophies, but by the technological leap it forced upon competitors, setting new standards for prototype design that influenced decades of future motorsport engineering.

In Their Own Story

The Mulsanne Straight stretched into darkness at midnight. Richard Attwood gripped the wheel as the air-cooled flat-12 screamed past 6000 RPM. The nose lifted slightly under acceleration, a familiar dance with physics he had mastered over months of testing. Headlights cut through the dust and rain, illuminating the tarmac ahead. There was no room for error; one slip at this velocity meant disaster. He held his nerve, braking late into Mulsanne Corner, feeling the heat radiate from the discs as the crowd roared in the distance.

Reader's Guide

The Porsche 917 was engineered as a direct response to Ferrari’s dominance in sports car racing during the late 1960s. Under Ferdinand Piëch, the team utilized a lightweight tubular steel chassis and an air-cooled flat-12 engine mounted centrally behind the driver. This layout provided superior weight distribution compared to front-engine competitors, allowing for aggressive cornering speeds on circuits like Le Mans.

Aerodynamics were critical; early versions struggled with stability at high speeds until the long-tail 'Kurzheck' variant was introduced. The car famously exceeded 200 mph on the Mulsanne Straight, terrifying drivers who had never experienced such velocity in a road-legal chassis derivative. Its raw power often overwhelmed mechanical braking systems, requiring immense driver skill to manage heat fade during night stints.

The legacy of the 917 extends beyond its two Le Mans victories in 1970 and 1971. It established Porsche as a serious endurance racing contender and set new benchmarks for prototype engineering. Many design philosophies from the 917 influenced future generations of GT cars, cementing its status as an icon of motorsport history rather than just a race winner. The machine remains synonymous with raw speed and engineering bravery in the golden era of Le Mans.

Did You Know?

• The 917 was disqualified from the 1969 Le Mans because its fuel tank exceeded regulations by just one liter.
• It secured Porsche's first overall victory at Le Mans in 1970, driven by Attwood and Van Lennep.
• The car was capable of speeds over 240 mph on the Mulsanne Straight during testing.
• Ferdinand Piëch personally oversaw the development to ensure it outperformed Ferrari's P series.