The SR engine is a series of , or straight-four,

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direct ...

gasoline

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power ...

s manufactured by

Nissan , trading as Nissan Motor Corporation and often shortened to Nissan, is a Japanese multinational automobile manufacturer headquartered in Nishi-ku, Yokohama, Japan. The company sells its vehicles under the Nissan, Infiniti, and Datsun bra ...

. It has an aluminum head and cast-iron block with steel sleeves and has a

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

4-valve design, with

variable valve timing In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. It is increasingly being used in combination with var ...

on select models. The engine was used in many small to medium Nissan vehicles, including high-performance

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pr ...

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 The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named after James W ...

unless otherwise indicated.

SR16VE

The SR16VE has

's Neo VVL

with lift control. It produces at 7800 rpm and at 7200 rpm. Redline is at 8300 rpm. Bore and stroke is 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: * N15 Nissan Pulsar VZ-R * B14

Nissan Lucino The Nissan Lucino is a small automobile nameplate used by the Japanese manufacturer Nissan between 1994 and 2000. The Lucino name applied simultaneously to a pair of entirely different vehicles—a two-door coupé version of the Sunny/Sentra (B14 ...

VZ-R * B15 Nissan Sunny VZ-R

SR16VE N1

This version was used in the limited-production

Pulsar A pulsar (from ''pulsating radio source'') is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. This radiation can be observed only when a beam of emission is pointing toward Ea ...

VZ-R N1, produced from 1997 to 1998. These cars were tuned by Autech Japan. It made at 7800 rpm and 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 Naturally may refer to: ;Albums * '' Naturally!'', an album by Nat Adderley * ''Naturally'' (Houston Person album) * ''Naturally'' (J. J. Cale album) * ''Naturally'' (John Pizzarelli album) * ''Naturally'' (Sharon Jones album) * ''Naturally'' ...

SR18Di

The SR18Di is a DOHC engine. It produces at 6500 rpm and 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 The is a large family car which was produced by the Japanese automaker Nissan from 1990 to 2007, for the markets in Japan and Europe. In Japan, it replaced the Auster/Stanza, and was exclusive to '' Nissan Prince Store'' locations. In North Am ...

, 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 The Infiniti G Line is a series of compact executive cars produced by Infiniti, a luxury division of Nissan, for the 1991–1996 and 1999–2016 model years. The first two generations of the Infiniti G (P10 and P11) were sedans based on the Niss ...

, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: * 1990-1993

* Nissan Sunny * Nissan Bluebird U12 * Nissan Avenir W10

SR18DE

The SR18DE is a DOHC engine. It produces at 6000 rpm and 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 Fuel efficiency is a form of thermal efficiency, meaning the ratio of effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work. Overall fuel efficiency may vary per device ...

. 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

, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: * 1991-1997

* Nissan Sunny * Nissan Avenir W10 * Nissan Rasheen * 1991-1997 Nissan Bluebird U13 * 1989-1998

Nissan Bluebird U14 The is a compact car with a model name introduced in 1957. It has been Nissan's most internationally recognized sedan, in multiple body styles, and is known for its dependability and durability. The Bluebird originated from Nissan's first vehic ...

Factory detuning and refining of fuel injection. * 1990-1993 Nissan Pulsar GTi B13 and N14, at 6400 rpm and at 4800 rpm * 1991-1999 Nissan Pulsar GTi N15, at 6400 rpm and at 4800 rpm * 1989(??)-2001

Nissan Presea The is a compact car, produced for the Asian market from 1990 to 2000. It competed with the entry level luxury 4-door hardtop sedans that were popular in Japan during the 1990s, notably the Toyota Corolla Ceres, the Toyota Sprinter Marino, the ...

SR20Di

The SR20Di is a DOHC engine. It produces . Bore and stroke are . 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

, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: * 1991–1994.6

SR20DE

The SR20DE is a DOHC engine. It was used in over 15 Nissan models. It first appeared in October 1989 in the U12

Bluebird The bluebirds are a North American group of medium-sized, mostly insectivorous or omnivorous birds in the order of Passerines in the genus ''Sialia'' of the thrush family (Turdidae). Bluebirds are one of the few thrush genera in the Americas. ...

, and was gradually phased out over time with the introduction of the low-emissions QR engine family. It carried nominal power ratings between 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 SAE or Sae may refer to: Science and technology : * Selective area epitaxy, local growth of epitaxial layer through a patterned dielectric mask deposited on a semiconductor substrate * Serious adverse event, in a clinical trial * Simultaneous Aut ...

, 1991): It is used in the following vehicles:

SR20DET

The SR20DET is a DOHC engine. It is a turbocharged version of the SR20DE, with power outputs ranging from at 6000 rpm to at 6400 rpm, and torque outputs ranging from at 4800 rpm to at 4800 rpm. It was first used in the U12

Nissan Bluebird The is a compact car with a model name introduced in 1957. It has been Nissan's most internationally recognized sedan, in multiple body styles, and is known for its dependability and durability. The Bluebird originated from Nissan's first vehic ...

SSS

ATTESA ATTESA (acronym for Advanced Total Traction Engineering System for All-Terrain) is a four-wheel drive system used in some automobiles produced by the Japanese automaker Nissan, including some models under its luxury marque Infiniti. The 'mech ...

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. It is used in the following vehicles: * 1989-1991

HNU12 SSS ATTESA Limited * 1990-1995 Nissan Pulsar RNN14 GTi-R * 1991-1994

Nissan Silvia The is the series of small sports cars produced by Nissan. Versions of the Silvia have been marketed as the 200SX or 240SX for export, with some export versions being sold under the Datsun brand. The name "Silvia" is derived from Sylvia, th ...

S13 K's * 1991-1997

HNU13 SSS ATTESA Limited * 1991-1998 Nissan 180SX S13 * 1994-1998

S14 K's * 1994-1998 Nissan 200SX S14 + "S14a" * 1994 Nismo 270R * 1995-1998 Nissan Avenir PNW10 Salut G GT Turbo * 1997-2001

Nissan R'nessa The is a station wagon manufactured by Nissan Motors from 1997 to 2001. According to Nissan, the name derives from "packaging renaissance for versatile, spacious comfort on wheels." It was produced by Nissan from October 1997 to July 2001, and c ...

NN30 GT Turbo * 1998-2002 Nissan Avenir PNW11 Highway Star/GT4 * 1998-2002

Nissan Liberty The is an automobile manufactured and marketed by Nissan from 1981 to 2004. Considered a mini MPV or a compact MPV. It was also marketed as the Multi in Canada and the Stanza Wagon in the United States. In Japan, it was exclusive to '' Nissan B ...

PNM12 GT4 * 1999-2002

S15 Spec-R ( JDM) * 1999-2002 Nissan 200SX S15 ( AUDM and NZDM)

SR20VE

The SR20VE has Nissan's Neo VVL

with lift control. It produces at 7000 rpm and at 6000 rpm with a 10.3:1 compression ratio and later (2001–2003) at 7200 rpm and at 5200 rpm with a 11:1 compression ratio. This engine was never used on the USDM counterpart of the P11 Primera, the

, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: * 1997-2000 P11 JDM

Te-V sedan or G-V wagon, * 2001-2003 P12 JDM

, 20V sedan or W20V Wagon, * 1997-2000 U14 JDM

SSS-Z sedan, * 1997-2000 Y11 JDM Nissan Wingroad ZV-S wagon,

SR20VET

The SR20VET was the first turbocharged engine from Nissan with

variable valve lift Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy or emissions. There are two main types of VVL: discrete, which employs fixed valve lift amounts, ...

(VVL), produced exclusively for the Japanese market. It produces at 6400 rpm and at 3200 rpm, with 9.0:1 compression ratio. It is used in the following vehicles: * 2001-2007 PNT30 Nissan X-Trail GT

Camshaft Lift and Duration

References

External links

SR20 Engine BuildupNeoVVL Owners Club
The Resource for the NeoVVL Engine
The SR20VE Motor Mini-Site
{{Nissan SR Straight-four engines Gasoline engines by model