Nissan VRH engine
The Nissan VRH engine family consists of several racing engines built by Nissan Motor Company beginning in the late 1980s. All VRH engines are in a V8 configuration, with either natural aspiration or forced induction. Some VRH engines are loosely based on Nissan's production V8 engine blocks, including the VH and VK engines, while others were designed from the ground up for racing and share no components with production blocks.
| Nissan VRH engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan |
| Designer | Yoshimasa Hayashi |
| Production | 1988–2002 |
| Layout | |
| Configuration | 90° V8 |
| Displacement | 3.0 L (2,996 cc) 3.4 L (3,396 cc) 3.5 L (3,495 cc) 3.5 L (3,499 cc) 5.0 L (4,997 cc) |
| Cylinder bore | 85 mm (3.35 in) 93 mm (3.66 in) 96 mm (3.8 in) |
| Piston stroke | 62.5 mm (2.46 in) 64.39 mm (2.54 in) 66 mm (2.60 in) 77 mm (3.03 in) 86.3 mm (3.40 in) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC 4 valves x cyl. |
| Compression ratio | 8.5:1, 9.0:1, 13.8:1, 14.0:1 |
| Combustion | |
| Turbocharger | IHI (some versions) |
| Fuel system | Fuel injection |
| Management | ECCS-R-NDIS or Nissan Electronics/Hitachi HN-1 |
| Fuel type | Gasoline/Methanol |
| Oil system | Multi-stage dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 450 PS (331 kW; 444 bhp) 500 PS (368 kW; 493 bhp) 530 PS (390 kW; 523 bhp) 650 PS (478 kW; 641 bhp) 750 PS (552 kW; 740 bhp) 800 PS (588 kW; 789 bhp) 960 PS (706 kW; 947 bhp) |
| Torque output | 290 lb⋅ft (393 N⋅m) 320 lb⋅ft (434 N⋅m) 325 lb⋅ft (441 N⋅m) 470 lb⋅ft (637 N⋅m) 542 lb⋅ft (735 N⋅m) 520 lb⋅ft (705 N⋅m) 578 lb⋅ft (784 N⋅m) 591 lb⋅ft (801 N⋅m) |
| Dimensions | |
| Dry weight | 120 kg (265 lb)? 150 kg (331 lb) 170 kg (375 lb) 185 kg (408 lb) |
| Chronology | |
| Predecessor | Nissan VEJ30 engine |
The name "VRH" comes from the engines' V configuration ("V"), their purpose as racing engines ("R"), and the fact that all of them have eight cylinders (with "H" being the eighth letter of the Latin alphabet).
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