| Honda HR-09E/HR-10EG engine | |
|---|---|
| Overview | |
| Manufacturer | Honda |
| Production | 2009–2013 |
| Layout | |
| Configuration | 90° V8 |
| Displacement | 3.4 L (3,396 cc) |
| Cylinder bore | 93 mm (3.66 in) |
| Piston stroke | 62.5 mm (2.46 in) |
| Cylinder block material | Aluminum alloy |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 32-valve (four-valves per cylinder), DOHC |
| Combustion | |
| Fuel system | Electronic indirect multi-point port fuel injection |
| Management | Motorola |
| Fuel type | 100% fuel grade Gasoline provided by Sunoco |
| Oil system | Dry sump |
| Cooling system | Single water pump |
| Output | |
| Power output | 490–640 hp (365–477 kW) |
| Torque output | 289–405 lb⋅ft (392–549 N⋅m)[1] |
| Dimensions | |
| Dry weight | 265 lb (120 kg) excluding headers, clutch, ECU, spark box or filters |
The Honda HR-09E and Honda HR-10EG are 3.4-liter, naturally-aspirated, V8 racing engines, developed and produced by Honda for use in Formula Nippon and Super GT, starting in 2009.[2][3][4][5][6][7][8][9]