Chevron B31
The Chevron B31 was a sports prototype racing car built by Chevron Cars Ltd in 1975, and initially used in the European 2-Litre Championship. The car was an evolution of the Chevron B26, and was initially fitted with a 2-litre Hart 420R straight-four engine producing 290 hp (216.3 kW; 294.0 PS). However, various other engines were used; the car also ran with engines such as the 3-litre Cosworth DFV V8, the 2-litre Cosworth FVD/Cosworth BDG straight-four engines, and the 2-litre BMW M12 straight-four, amongst others.
| Category | Group 6 |
|---|---|
| Constructor | Chevron Cars Ltd |
| Designer(s) | Derek Bennett |
| Predecessor | Chevron B26 |
| Successor | Chevron B36 |
| Technical specifications | |
| Chassis | fibreglass body on aluminium monocoque, front and rear subframes |
| Suspension (front) | double wishbones, coil springs over dampers, anti-roll bar |
| Suspension (rear) | single top links, twin lower links, twin trailing arms, coil springs over dampers, anti-roll bar |
| Engine | Hart 420R 1,995 cc (121.7 cu in) naturally-aspirated I4 (original); many others were used throughout the car's career. mid-engined, longitudinally mounted |
| Transmission | Hewland 5-speed manual |
| Weight | 580 kg (1,279 lb) |
| Tyres | Goodyear Avon |
| Competition history | |
| Debut | 1975 1000 km of Mugello |
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