Nissan NR engine
The Nissan NR is a family of prototype four-stroke 2.0-litre single-turbocharged inline-4 racing engine, developed and produced by Nissan for the Super GT series under the Nippon Race Engine framework. The engine has been produced in a number of different configurations over the years. The NR engine is fully custom-built.[1][2][3][4][5][6][7]
| Nissan NR engine | |
|---|---|
| Overview | |
| Manufacturer | Nissan |
| Production | 2014–present (Super GT) |
| 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) |
| Cylinder block material | Die cast steel or aluminium alloy. Machining process from a solid is not permitted |
| Cylinder 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 | 550–650 PS (542–641 hp; 405–478 kW) |
| Torque output | 500–700 N⋅m (370–520 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 |
| Chronology | |
| Predecessor | Nissan VRH engine (in Super GT) |
Versions
All versions of the engine are identical in performance.
- NR20A (2014–2019)
- NR20B (2020)
- NR4S21 (2021–Present)
See also
- Honda HR-414E/HR-417E/HR-420E engine, similar engines also developed under the Nippon Race Engine framework
- Toyota RI engine, similar engine also developed under the Nippon Race Engine framework
References
- Sam. "Nissan GT-R GT500 (R35 MY2017)". Racecar Engineering. Retrieved 2022-04-05.
- "Check Out Nissan's GT-R Nismo GT500 4-Cylinder Racer". Carscoops. 2014-03-04. Retrieved 2022-08-12.
- "What Engine Does the Nissan GT-R Use in Super GT?". CarGuide.PH | Philippine Car News, Car Reviews, Car Prices. Retrieved 2022-04-05.
- "Bye-Bye GT-R: The All-New Z Is Nissan's Next Super GT Race Car". Motor1.com. Retrieved 2022-04-05.
- "SUPER GT: Nissan Z GT500 car revealed for 2022 season". us.motorsport.com. Retrieved 2022-04-05.
- Golson, Daniel. "Nissan's new Z GT500 is ready for Super GT racing duty in Japan". Roadshow. Retrieved 2022-04-05.
- "Nissan Brings A GT500 Racing Version Of The Nissan Z Alongside The Production Model @ Top Speed". Top Speed. 2022-01-15. Retrieved 2022-04-05.
- "Nissan and NISMO unveil Nissan Z GT500 race car for Super GT series". Official Global Newsroom. 2021-12-05. Retrieved 2022-04-05.
- "2022 Nissan Z Replacing GT-R In Super GT's GT500 Series". MotorTrend. 2021-12-06. Retrieved 2022-04-05.
- "This wide-body Nissan Z GT500 replaces the GT-R in Japan's Super GT series". Motor Authority. Retrieved 2022-04-05.
- "The Nissan Z GT500 Is The Super GT-Spec Z Of Your Dreams". Jalopnik. 6 December 2021. Retrieved 2022-04-05.
- "Nissan Brings a GT500 Racing Version of the Nissan Z Alongside the Production Model @ Top Speed". 15 January 2022.
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