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	2013–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 (2013–2019)
• NR20B (2020)
• NR4S21 (2021–2023)
• NR4S24 (2024–present)

Applications

• Nissan GT-R NISMO GT500
• Nissan Fairlady Z NISMO GT500^{[8][9][10][11][12]}

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