March 74S
Sports prototype race car
From Wikipedia, the free encyclopedia
The March 74S is a prototype race car, designed, developed and built by British manufacturer March Engineering in 1975 for the FIA Group 5 class of sports car racing.[4][5] It was a development on the earlier March 73S.
Chassisfibreglass body on aluminium monocoque
Suspensiondouble wishbones, push-rod actuated coil springs over shock absorbers, anti-roll bar (front)
twin lower links, single upper links, trailing arms, coil springs over dampers, anti-roll bar (rear)
twin lower links, single upper links, trailing arms, coil springs over dampers, anti-roll bar (rear)
EngineFord-Cosworth DFV 3.0 L (183.1 cu in) DOHC 90° V8 naturally-aspirated mid-engined
Ford-Cosworth BDA 2.0 L (122.0 cu in) DOHC I4 naturally-aspirated mid-engined
Ford-Cosworth BDA 2.0 L (122.0 cu in) DOHC I4 naturally-aspirated mid-engined
| |
| Category | Group 5 |
|---|---|
| Technical specifications | |
| Chassis | fibreglass body on aluminium monocoque |
| Suspension | double wishbones, push-rod actuated coil springs over shock absorbers, anti-roll bar (front) twin lower links, single upper links, trailing arms, coil springs over dampers, anti-roll bar (rear) |
| Engine | Ford-Cosworth DFV 3.0 L (183.1 cu in) DOHC 90° V8 naturally-aspirated mid-engined Ford-Cosworth BDA 2.0 L (122.0 cu in) DOHC I4 naturally-aspirated mid-engined |
| Transmission | Hewland FT200 5-speed manual |
| Power | 280–400 hp (210–300 kW) |
| Weight | 525–700 kg (1,157–1,543 lb) |
| Tires | Firestone |
| Competition history | |
| Debut | 1974 24 Hours of Le Mans[3] |