Audi/Bentley 90° twin-turbocharged V8 racing engine
< Audi
| Audi/Bentley twin-turbo V8 racing engine | |
|---|---|
| Overview | |
| Manufacturer | Audi/Bentley (Volkswagen Group) |
| Production | 1999-2005 |
| Layout | |
| Configuration | 90° V-8 |
| Displacement | 3.6 L (3,595 cc) 4.0 L (3,995 cc) |
| Cylinder bore | 85 mm (3.35 in) 87 mm (3.43 in) |
| Piston stroke | 79.2 mm (3.12 in) 84 mm (3.31 in) |
| Valvetrain | 32-valve, DOHC, four-valves per cylinder |
| Combustion | |
| Turbocharger | Honeywell Turbo Technologies twin-turbochargers |
| Fuel system | Gasoline direct fuel injection |
| Management | Bosch MS 2.8/2.9 |
| Fuel type | Shell racing gasoline |
| Oil system | Dry sump (Shell Racing oil SR) |
| Output | |
| Power output | 520–860 hp (388–641 kW) |
| Torque output | 516–752 lb⋅ft (700–1,020 N⋅m) |
The Audi/Bentley 90° twin-turbocharged V8 racing engine is a 3.6-liter and 4.0-liter, twin-turbocharged, four-stroke, 90-degree, V8 racing engine, used in the Audi R8C, Audi R8R, Audi R8 and Bentley Speed 8 Le Mans Prototype race cars, between 1999 and 2005.