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Nissan SR engine

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Nissan SR engine
Nissan SR16VE engine
Overview
ManufacturerNissan (Nissan Techno)
Production1987–2007
Layout
ConfigurationInline-four engine
Displacement1.6 L (1,596 cc)
1.8 L (1,838 cc)
2.0 L (1,998 cc)
Cylinder bore82.5 mm (3.25 in)
86 mm (3.39 in)
Piston stroke68.7 mm (2.70 in)
86 mm (3.39 in)
Cylinder block materialAluminum[1]
Cylinder head materialAluminum[1]
ValvetrainDOHC 4 valves x cyl. with VVT (some versions)
Compression ratio9.0:1, 9.5:1, 10.3:1, 11.0:1
Combustion
TurbochargerGarrett T25G or T28 (some versions)
Fuel systemFuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power outputFrom 110 PS (81 kW; 108 hp) to 320 PS (235 kW; 316 hp)
Torque outputFrom 150 N⋅m (111 lb⋅ft) to 418 N⋅m (308 lb⋅ft)
Chronology
PredecessorNissan CA engine
SuccessorNissan QG engine
Nissan QR engine
Nissan MR engine

The SR engine is a series of 1.6 L (1,596 cc), 1.8 L (1,838 cc) or 2.0 L (1,998 cc) straight-four, four-stroke gasoline engines manufactured by Nissan. It has an aluminium head and block with steel sleeves and has a DOHC 4-valve design, with variable valve timing on select models. It was added to a new engine family name PLASMA (Powerful ＆ Economic, Lightweight, Accurate, Silent, Mighty, Advanced).

The engine was used in many small to medium Nissan vehicles, including high-performance turbocharged variants. It was designed by Nissan as a replacement of the earlier CA series of engines, and was replaced by the QR and MR series of engines. Power outputs are shown under JIS Net PS or ECE Net kilowatts unless otherwise indicated.

SR16VE

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Nissan SR16VE engine

The 1.6 L (1,596 cc) SR16VE has Nissan's Neo VVL variable valve timing with lift control. It produces 175 PS (129 kW; 173 hp) at 7800 rpm and 119 lb⋅ft (161 N⋅m) at 7200 rpm. Redline is at 8300 rpm. Bore and stroke is 86 mm × 68.7 mm (3.39 in × 2.70 in) with a 11.0:1 compression ratio.

This engine was never used on the USDM counterpart of the B14 Lucino, the B14 Nissan 200SX, as it uses the 1.6 L GA16DE and 2.0 L SR20DE engines instead.

It is used in the following vehicles:

SR16VE N1

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This version was used in the limited-production Pulsar VZ-R N1, produced from 1997 to 1998. These cars were tuned by Autech Japan. It made 200 PS (197 hp; 147 kW) at 7800 rpm and 134 lb⋅ft (182 N⋅m) at 7600 rpm. Redline of the N1 Version 2 (1998) is at 8600 rpm. This is also claimed to be the most powerful production 1.6 L naturally aspirated engine.[citation needed]

SR18Di

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The SR18Di is a 1.8 L (1,838 cc) DOHC engine. It produces 110 PS (108 hp; 81 kW) at 6500 rpm and 150 N⋅m (111 lb⋅ft) at 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 of the P10/11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead.

It is used in the following vehicles:

SR18DE

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The SR18DE is a 1.8 L (1,838 cc) DOHC engine. It produces 125 PS (123 hp; 92 kW) at 6000 rpm and 156 N⋅m (115 lb⋅ft) at 4800 rpm. This engine came with Multi Point Fuel Injection System ECCS (Electronic Concentrated Control System). The SR18DE crankshaft was produced with four fewer counterweights than the SR20DE variants, which have eight, for lighter weight and better fuel efficiency. These lightweight crankshafts were also homologated for use in the Japanese N2 Silvia racing program and later used in the SR20VE engine.

This engine was never used on the USDM counterpart of the P10/11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead.

It is used in the following vehicles:

SR20Di

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The SR20Di is a 2.0 L (1,998 cc) DOHC engine. It produces 116 PS (114 hp; 85 kW). Bore and stroke are 86 mm × 86 mm (3.39 in × 3.39 in). Similar to the 1.8 liter version except for bigger displacement with a throttle body injection system.

This engine was never used on the USDM counterpart of the P10/11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead.

It is used in the following vehicles:

SR20DE

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Nissan SR20DE engine in a 2001 Infiniti G20.

The SR20DE is a 2.0 L (1,998 cc) DOHC engine. It was used in over 15 Nissan models, first appearing in the U12 Bluebird in October 1989. It was gradually phased out over time with the introduction of the low-emissions QR engine family in 2000, until production stopped in 2002. It carried nominal power ratings between 125–165 hp (127–167 PS; 93–123 kW) from the factory, although there are some Autech models with horsepower ratings of between 175 and 200 hp depending on the chassis and degrees of tuning.

The breakdown of the engine code is as follows:

  • SR - Engine
  • 20 - 2.0 Litres
  • D - Dual Overhead Cams
  • E - Electronic Fuel Injection

This engine has the following specifications (SAE, 1991):

Specifications
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: 1,998 cc (2.0 L)
Bore x Stroke: 86 mm × 86 mm (3.39 in × 3.39 in)
Bore Pitch: 97 mm (3.82 in)
Block Height: 211.3 mm (8.32 in)
Compression ratio: 10.0:1
Crankshaft journal diameter: 55 mm (2.17 in)
Crankpin diameter: 48 mm (1.89 in)
Con rod length: 136.3 mm (5.37 in)
Valve diameters: Intake: 34 mm (1.34 in), Exhaust: 30 mm (1.18 in)
Dimensions: 685 mm (27.0 in) x 610 mm (24 in) x 615 mm (24.2 in)
Power: 145 hp (147 PS; 108 kW) at 6400 rpm (SAE net)
Maximum torque: 132 lb⋅ft (179 N⋅m) at 4800 rpm (SAE net)

It is used in the following vehicles:

Model Years Produced
180SX 1991–1992, 1994–1998
200SX SE-R 1995–1998
Almera 1996–1999
Almera Tino 1998–2006
Avenir 1990, 1992–1995, 1997–2001
Bluebird 1989, 1991–1993, 1995–1998, 1999–2007
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
Tommykaira ZZ (first generation) 1996–2001

SR20DET

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Nissan SR20DET engine in a U13 Bluebird (FWD/AWD layout).
Main article: Nissan SR20DET

The SR20DET is a 2.0 L (1,998 cc) DOHC engine. It is a turbocharged version of the SR20DE, with power outputs ranging from 204 PS (201 hp; 150 kW) at 6000 rpm to 250 PS (247 hp; 184 kW) at 6400 rpm, and torque outputs ranging from 266 N⋅m (196 lb⋅ft) at 4800 rpm to 280 N⋅m (207 lb⋅ft) at 4800 rpm. It was first used in the U12 Bluebird SSS ATTESA Limited from October 1989, and expanded to several cars from 1989 through 2002. The Silvia was the longest-running Nissan model to use this engine, starting with the S13 series in 1991 and ending with the S15 series in 2002. This engine was replaced with the QR20DE engine in most applications.

It is used in the following vehicles:

SR20VE

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Nissan SR20VE engine

The 2.0 L (1,998 cc) SR20VE has Nissan's Neo VVL variable valve timing with lift control. It produces 190 PS (187 hp; 140 kW) at 7000 rpm and 20.0 kg⋅m (196 N⋅m; 145 lb⋅ft) at 6000 rpm with a 10.3:1 compression ratio and later (2001–2003) 204 PS (201 hp; 150 kW) at 7200 rpm and 21.0 kg⋅m (206 N⋅m; 152 lb⋅ft) at 5200 rpm with a 11:1 compression ratio.

This engine was never used on the USDM counterpart of the P11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead.

It is used in the following vehicles:

  • 1997-2000 P11 JDM Nissan Primera Te-V sedan or G-V wagon, 190 PS (187 hp; 140 kW)
  • 2001-2003 P12 JDM Nissan Primera, 20V sedan or W20V Wagon, 204 PS (201 hp; 150 kW)
  • 1997-2000 U14 JDM Nissan Bluebird SSS-Z sedan, 190 PS (187 hp; 140 kW)
  • 1997-2000 Y11 JDM Nissan Wingroad ZV-S wagon, 190 PS (187 hp; 140 kW)
  • 2002 ASL Garaiya sports car, 204 PS (201 hp; 150 kW)

SR20VET

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Nissan SR20VET engine

The 2.0 L (1,998 cc) SR20VET was the first turbocharged engine from Nissan with variable valve lift (VVL), produced exclusively for the Japanese market. It produces 280 PS (206 kW; 276 hp) at 6400 rpm and 309 N⋅m (228 lb⋅ft) at 3200 rpm, with 9.0:1 compression ratio.

It is used in the following vehicles:

Camshaft Lift and Duration

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Manufacturer Type Duration [°] Lift [mm] Engine Notes
Nissan Intake 232 8.66 Stock low-port SR20DE (1985-2012)
Nissan Intake 248 10.00 Stock high-port SR20DE (1991-1993)
Nissan Exhaust 240 9.2 Stock Pulsar GTi-R (specific) SR20DET
Nissan Intake 240 10.0 Stock Pulsar GTi-R (specific) SR20DET
Nissan Exhaust 248 10.0 Stock Pulsar GTi-R (specific) SR20DET
Nissan Intake 232 10.0 Stock Roller Rocker SR20DE (2000-up)
Nissan Exhaust 240 9.2 Stock Roller Rocker SR20DE (2000-up)

See also

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References

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  1. ^ a b "The SR20DET". 31 August 2018.
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