Honda HR-414E/HR-420E engine
The Honda HR-414E and Honda HR-420E are prototype, four-stroke 2.0-litre single-turbocharged inline-4 racing engine, developed and produced by Honda for the Super GT series. The HR-420E engine is fully custom-built.[1][2]
| Honda HR-414E/HR-420E | |
|---|---|
| Overview | |
| Manufacturer | Honda |
| Production | 2014-present |
| Layout | |
| Configuration | Inline-4 |
| Displacement | 2.0 L (122 cu in) |
| Cylinder bore | 86–90 mm (3.39–3.54 in) |
| Piston stroke | Free but typically approximately between 86–90 mm (3.39–3.54 in) |
| Block material | Die cast steel or aluminium alloy. Machining process from a solid is not permitted |
| Head material | Die cast steel or aluminium alloy |
| Valvetrain | DOHC 16-valve (four-valves per cylinder) |
| Compression ratio | 15:1 |
| Combustion | |
| Turbocharger | Single-turbocharged by Garrett Advancing Motion with 3.5 bar (51 psi) of turbo boost pressure |
| Fuel system | Bosch HDEV6 350 bar (5,076 psi) central high-pressure gasoline direct fuel injection. One direct injector per cylinder fed by an engine-driven high-pressure fuel pump |
| Management | Bosch Motronic MS 7.4 |
| Fuel type | Various (102 RON unleaded racing gasoline) |
| Oil system | Dry sump |
| Cooling system | Single mechanical water pump feeding a single-sided cooling system |
| Output | |
| Power output | 550 PS (542 hp; 405 kW) |
| Torque output | > 490 N⋅m (360 lbf⋅ft) |
| Dimensions | |
| Length | 600 mm (23.62 in) |
| Width | 697 mm (27.44 in) |
| Height | 693 mm (27.28 in) |
| Dry weight | 187 lb (85 kg) including turbocharger |
Applications
References
- "NSX-Gt | Super GT".
- "Honda Racing Thanks Day Returns; NSX-GT 'Type S' Makes Public Debut". Retrieved 9 May 2022.
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