Nissan SR engine

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Template:Refimprove The Nissan SR engine is a 1.6 L, 1.8 L, or 2.0 L straight-4 4-stroke internal combustion gasoline engine manufactured by Nissan Motors. It features an aluminum head and aluminum block with steel sleeves in selected models and features a DOHC 4-valve design, with variable valve timing on select models. The engine was used in many small to medium Nissan vehicles, including high-performance turbocharged variants. It was designed by Nissan as a replacement for the earlier CA series of engines. Power output shown is JIS Net PS or ECE Net kilowatts unless otherwise indicated.



The SR18Di is a 1.8 L (1838 cc) DOHC engine. It produces 110 PS (81 kW) @6500 rpm and 150 nm @4000 rpm. Based on the Single Point Fuel Injection system, it was installed on JDM cars and some UK versions. This model used some cast iron blocks and it was used on the P10 generation Nissan Primera, but due to the low overall power this engine option was dropped on the next generation.

This engine was never used on the USDM counterpart the Infiniti G20

It is used in the following vehicles:


The SR18DE is a 1.8 L (1838 cc) DOHC engine. It produces 125 PS (92 kW) @6000 rpm and 156 nm @4800 rpm. This engine came with Multi Point Fuel Injection System ECCS (Electronic Concentrated Control System).

It was used in the following vehicles;


The SR20Di is a 2.0 L (1998 cc) DOHC engine. It produces 122 PS (89 kW). Bore and stroke are 86 mm (3.4 in) and 86 mm (3.4 in). Similar to the 1.8 liter version except for bigger displacement with a throttle body injection system.

It is used in the following vehicles:

SR20DE and SR20De

The Nissan SR20DE engine is used in over 15 Nissan models. It first appeared in October 1989 and has been gradually phased out since the introduction of the QR (low-emissions) engine family. The SR20DE carried nominal power ratings between 140 to 169 Horsepower (104 to 126 kW) from the factory.

The breakdown of the engine code is as follows:

  • SR - Engine Code
  • 20 - 2.0 Litres
  • D - Dual Overhead Cam
  • E - Multi-port Fuel Injection
  • e - SR20DE LEV-version
  • RR - Roller rocker motor

This engine has the following specifications (SAE, 1991)

The Specs
Type: Water cooled, 4 cycle in-line 4 cylinder
Combustion Chamber: Cross flow, pentroof type
Valve mechanism: DOHC, 4 valves per cylinder, chain drive
Displacement: 1998cc
Bore x Stroke: 86.0 x 86.0mm
Bore Pitch: 97.0mm
Block Height: 211.3mm
Compression ratio: 9.5:1
Crankshaft journal diameter: 55.0mm
Crankpin diameter: 48.0mm
Con rod length: 136.3mm
Valve diameters: Intake: 34.0mm, Exhaust: 30.0mm
Dimensions: 685 x 610 x 615mm
Maximum power: 140 hp-169 hp at 6400 rpm (SAE net)
Maximum torque: 132 lb·ft at 4800 rpm (SAE net)

It was used in the following vehicles:

Model Years Produced
180SX 1991–1992, 1994–1997
200SX SE-R 1995–1998
Almera 1996–1999
Avenir 1990, 1992–1995, 1997–2001
Bluebird 1989, 1991–1993, 1995–1998
Liberty 1998–2000
Infiniti G20 1991–2002
NX2000 1991–1996
Prairie Joy 1995–1997
Presea 1990–1993, 1995, 1997–1998
Primera 1990–2002
Pulsar 1991–2000
R'nessa 1997–1998, 2000
Rasheen 1998
Sentra 1991–1994, 1998–2001
Serena 1991–1995, 1997–2000
Silvia 1991–1993 1995-1996, 1998–2002
Wingroad 1996–1999


S13 Silvia SR20DET NS Mounting, Coil On Plug (custom yellow paint)
File:Nissan SR20DET U13.jpg
U13 Bluebird SR20DET EW Mounting, Distributor


The SR20DET was first produced in the U12 Nissan Bluebird 2000SSS Attesa in October 1989 [1]. From 1990 through to 1994 it was used in the Nissan Pulsar GTi-R (RNN14) however with a bigger T28 turbo. In both these cars the engine is aligned in a transverse fashion.

However the RWD Nissan Silvia and Nissan 180SX produced in 1991 were built with a longitudinally aligned SR20DET. Some of the 180SX's were released with the SR20DET while others had the naturally aspirated SR20DE.

The engine was used in the Nissan Avenir in 1995, the Nissan R'nessa in 1997 and the Nissan Liberty in 1999.

Out of all the Nissan models produced with the SR20DET, the Silvia was the longest running model to use it. The S14 and S15 use a bigger turbocharger than the S13 models.

Valve cover colors

File:Nissan 200SX S14a Engine Bay Stock.JPG
SR20DET installed in a Nissan 200SX S14.

The colors of the valve covers seem to be related to the year the engine was released.

Color Model Years
Red S13/180SX/Bluebird/Pulsar 1989–1994
Black S13/180SX 1994–1998
Black S14/S15 1994–2002
Silver Avenir/R'nessa 1995–2001/1997-2001
  • S13 Black top - 180sx's post-94 (Garrett T25G turbo)
  • S13 Red top - S13 Silvia and 180sx pre-94 (Garrett T25G turbo)
  • S14 Black top - 1994-98 Silvias - Variable Cam Timing aka VTC was introduced on the intake cam (Garrett T28 journal bearing turbo for Australian and European markets and Garrett T28 Ball Bearing turbo for the Japanese market)[1]
  • S15 Black top - 1999-2002 Silvias. As S14 but with PTU within ignition coil packs, 6-speed manual transmission (Garrett Journal Bearing T28 for Europe and Australia and Ball Bearing T28 turbo for Japan)

It was available in the following vehicles:

  • S13/14/15 Nissan Silvia
  • S13 Nissan 180SX, 205 ps (150.78 kw) / 6000 rpm;(274.59 N*m) / 4000 rpm
  • S14 + S14a Nissan 200SX, 220 ps (161.81 kw) / 6000 rpm;(274.59 N*m) / 4800 rpm
  • S15 Nissan Silvia (JDM), 250 ps (183.88 kw) / 6400 rpm;(274.59 N*m) / 4800 rpm
  • RNN14 Nissan Pulsar GTi-R, 230 ps (169.17 kw) / 6400 rpm;(284.39 N*m) / 4800 rpm
  • NN30Nissan R'nessa GT Turbo, 200 ps (147.10 kw) / 6000 rpm;(264.78 Nm) / 4000 rpm
  • HNU13 Nissan Bluebird SSS ATTESA Limited, 210 ps (154.46 kw) / 6000 rpm;(274.59 N*m) / 4000 rpm
  • HNU12 Nissan Bluebird SSS ATTESA Limited, 205 ps (150.78 kw) / 6000 rpm;(274.59 N*m) / 4000 rpm
  • PNW11 Nissan Avenir GT4, 230 ps (169.17 kw) / 6000 rpm;(274.59 N*m) / 3600 rpm
  • PNW10 Nissan Avenir Salut G GT Turbo, 210 ps (154.46 kw) / 6000 rpm;(274.59 N*m) / 4000 rpm
  • Nismo 270R (270 hp @6000 rpm)


Nissan SR16VE engine

The 1.6 L (1596 cc) SR16VE has Nissan's Neo VVL variable valve timing with lift control. It produces 175 PS (129 kW) @7800 rpm and 119 lb·ft (161 Nm) @7200 rpm. Redline is at 8300 rpm.

It is used in the following vehicles:


This version was used in the limited-production (200 produced Template:Citation needed) Pulsar VZ-R N1, produced from 1997 to 1998. These cars were tuned by Autech Japan.

It made 200 PS (197 bhp)(147 kW) @ 7800 rpm and 134 lb·ft (181 Nm) @ 7600 rpm. Redline of the N1 Version 2 (1998) is at 8600 rpm. This is the most powerful production 1.6l Naturally aspirated engine. It was also the highest specific output of 1.6 naturally aspirated production of its time, until surpassed by the Honda F20C engine used in the S2000, which held the record until Ferrari released the 458 Italia in 2010.


The 2.0 L SR20VE has Nissan's Neo VVL variable valve timing with lift control. It produces 190 PS (139 kW) @7000 rpm and 144 lb·ft (196 Nm) @6000 rpm and later (2001–2003) 205 PS (150 kW) @7200 rpm and 206 nm @5200 rpm. Used in:


The 2.0 L (1998 cc) SR20VET was the first turbocharged engine from Nissan with variable timing and lift control. It produces 280 PS (206 kW) @ 6400 rpm and 309 nm @ 3200 rpm.

It is used in the following vehicles:

See also


External links

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