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Nissan SR20DET

From Wikipedia, the free encyclopedia

Nissan SR20DET
Nissan SR20DET engine in a U13 Bluebird (FWD/AWD layout).
Overview
ManufacturerNissan (Nissan Techno)
Production1989–2002
Layout
ConfigurationStraight-four
Displacement2.0 L (1,998 cc)
Cylinder bore86 mm (3.39 in)
Piston stroke86 mm (3.39 in)
Cylinder block materialAluminum[1]
Cylinder head materialAluminum[1]
ValvetrainDOHC 4 valves x cyl.
Valvetrain drive systemTiming chain
Compression ratio9.0:1, 9.5:1, 10.3:1, 11.0:1
Combustion
TurbochargerGarrett T25G or T28
Fuel systemElectronic fuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power outputFrom 204 PS (150 kW; 201 hp) to 250 PS (184 kW; 247 hp)
Torque outputFrom 266 N⋅m (196 lb⋅ft) to 280 N⋅m (207 lb⋅ft)
Chronology
PredecessorCA18DET
SuccessorQR20DE

The SR20DET is a 2.0 L (1,998 cc) straight-four four-stroke gasoline engine that is part of the SR family of engines from Nissan, produced from 1989 to 2002. It is a turbocharged version of the SR20DE engine and is a replacement of the CA18DET engine.

The SR20DET, like with the outgoing CA18DET, was a turbocharged intercooled engine in top form. It was Nissan's popular four-cylinder engine fitted into a wide variety of cars, most notably the S13-chassis Nissan Silvia and 180SX. It also came in the Pulsar GTI-R, Nissan NX Coupe and the Nissan Bluebird. It replaced the CA18DE and CA18DET engines that originally powered the Silvia and 180SX from the S12-chassis and prior. The previous CA18DET was deemed too expensive to produce (due to its cast-iron block) and no longer met Japanese emission standards, and so was replaced with the SR20DET.

The SR20DET is a popular choice as an engine swap in North American 240SXs (more specifically the USDM and Canadian models), as they use the SOHC KA24E for earlier models, or the DOHC KA24DE for later models. Both are naturally aspirated engines and are much less-powerful than the CA18DET and SR20DET engines, producing 140 hp (100 kW) and 155 hp (116 kW) respectively. SR20DET engine swaps are becoming more commonplace due to the many aftermarket forced induction options available for the SR20DET. There are many tuning shops in the world specializing only in SR20DET swaps.

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Transcription

Model code breakdown

The breakdown of the engine codes are as follows:

NOTE: The lack of a "D" in some engine identifications indicates an SOHC cylinder head.

For more information of Nissan's engine naming conventions, see list of Nissan engines.

History

The Garrett T25G turbo used on most SR20DET engines.

The SR20DET was first introduced in the U12 Nissan Bluebird 2000SSS ATTESA Limited in a transverse-mounted front-wheel drive/four-wheel drive form in October 1989. The first revisions of the rear-wheel drive S13 Nissan Silvia and Nissan 180SX produced in 1991 were built with a longitudinally-mounted SR20DET. Others had the naturally aspirated SR20DE. The engine then went on to be used in a number of Nissan vehicles, including the Nissan Avenir in 1995, the Nissan R'nessa in 1997 and the Nissan Liberty in 1999. The SR20DET (along with the naturally-aspirated SR20DE) was retired in most Nissan vehicles in August 2002 (which included the S15 Nissan Silvia as it used the SR20DE/SR20DET engines), and were replaced with the QR20DE engine in most applications.

Out of all the Nissan models produced with the SR20DET engine, the Silvia was the longest-running model to use it, starting with the S13 series in 1991 and ending with the S15 series in 2002. The S14 and S15 series used a bigger turbocharger than the S13 series.

Valve cover colors

The colors of the valve covers seem to relate to the year the engine was produced:

Color Model Years
Red S13/180SX/Bluebird/Pulsar 1989–1994
Black S13/180SX 1994–1998
Black S14/S15 1994–2002
Silver Avenir/R'nessa 1995–2002/1997-2001
  • 1989–1994 "Red top" - Came from U12/13 Bluebird, S13 Silvia and 180SX pre-94 (Garrett T25G turbo) 370cc injectors were used.
  • 1994–1998 "Black top" - Came from 180SX's post-94 (Garrett T25G turbo)
  • 1994–1998 "Black top VCT" - 94–98 Silvias - Variable Cam Timing or VCT 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)[2] 370cc injectors were used.
  • 1995–2002 "Silver top" - 95-02 Avenirs and 97-01 R'nessas.
  • 1999–2002 "Black top" - 99–02 Silvias. Same VCT as above, 6-speed manual transmission (Garrett Journal Bearing T28 for Europe and Australia and Ball Bearing T28 turbo for Japan) 480cc injectors were used and the intake manifold was redesigned.[1]

Engine specifications

  • DOHC 4 valves per cylinder, Chain driven cam sprockets
  • Bore × Stroke of 86 mm (3.39 in) × 86 mm (3.39 in)
  • Displacement of 1,998 cc (2.0 L; 121.9 cu in)

1990–1994 RNN14 Pulsar GTI-R

  • Compressor Flow: 33 lb/MIN
  • Throttle Body: Quad
  • Injector Flow: 440cc/min
  • Ignition Timing: 20º BTDC

1991–1998 180SX

  • Throttle Body Bore: 60 mm
  • Injector Flow: 370cc/min

1995–1999 S14 Silvia

  • Throttle Body Bore: 50 mm
  • Injector Flow: 370cc/min

1999–2002 S15 Silvia

  • Throttle Body Bore: 50 mm
  • Injector Flow: 444cc/min

Comparison table

Car Engine Compression Power Torque Turbos Stock boost Turbine Compressor
'89 U12 Bluebird Ltd Redtop 8.5:1 150 kW (201 hp) @ 6000 rpm 202 lb⋅ft (274 N⋅m) @ 4000 rpm T-25g 14psi
'91–'95 U13 Bluebird Ltd Redtop 8.5:1 154 kW (206 hp) @ 6000 rpm 202 lb⋅ft (274 N⋅m) @ 4000 rpm T-25G 7psi
'95–'97 W10 Avenir Salut Silvertop 8.5:1 154 kW (206 hp) @ 6000 rpm 202 lb⋅ft (274 N⋅m) @ 4000 rpm T-25G 7psi
'97–'01 W11 Avenir GT4 Silvertop 8.5:1 169 kW (227 hp) @ 6000 rpm 203 lb⋅ft (275 N⋅m) @ 3600 rpm T-25BB 9psi
'90–'94 RNN14 Pulsar GTI-R Redtop 8.3:1 169 kW (227 hp) @ 6400 rpm 210 lb⋅ft (280 N⋅m) @ 4800 rpm T-28 10.6psi 79 Trim 53 mm (2.1 in) (Inconel), .86 A/R housing 60 trim 60 mm BCI-1 in T-3 housing
'90–'95 EGNN14 Sunny GTI-R Redtop 8.3:1 164 kW (220 hp) @ 6400 rpm 196 lb⋅ft (266 N⋅m) @ 4800 rpm T-28 10.6psi 79 Trim 53 mm (2.1 in) (Inconel), .86 A/R housing 60 trim 60 mm BCI-1 in T-3 housing
'91–'93 S13 Silvia, 180sx Redtop 8.5:1 151 kW (205 hp) @ 6000 rpm 203 lb⋅ft (275 N⋅m) @ 4000 rpm T-25G 7psi 62 trim 53.8 mm (2.1 in), .80 A/R housing 60 trim 56mm BCI-1
'94–'98 S13 180sx Blacktop 8.5:1 151 kW (205 hp) @ 6000 rpm 203 lb⋅ft (275 N⋅m) @ 4000 rpm T-25G 7psi 62 trim 53.8 mm (2.1 in), .80 A/R housing 60 trim 56mm BCI-1
'95–'99 S14 Silvia, '95-'99 200sx (Australia, New Zealand) Notchtop 8.5:1 162 kW (217 hp) @ 6000 rpm 205 lb⋅ft (278 N⋅m) @ 4800 rpm T-28 7psi, 14psi BB 62 trim 53.8 mm (2.1 in), .64 A/R housing, BB if from the JDM 60 trim 60 mm BCI-1 in T-04B housing
'99–'02 S15 Silvia, '00-'02 200sx (Australia, New Zealand) Notchtop 8.5:1 184 kW (247 hp) @ 6400 rpm 203 lb⋅ft (275 N⋅m) @ 4800 rpm T-28BB 7psi stock 62 trim 53.8 mm (2.1 in) (Inconel), .64 A/R housing, cast divider wall between turbine discharge and wastegate, ball bearing center section 60 trim 60 mm BCI-1 in T-04B housing

Twin-turbo modifications

While all factory manufactured SR20DET's featured only a single turbo unit, some aftermarket tuners have engineered working twin-turbo configurations. One such kit produced by ENDLESS Japan in 2008 featured two GReddy TD05-16G turbines in parallel. These were mounted on a custom exhaust manifold and downpipe, and required heavy modifications to the engine bay to fit correctly. This twin-turbo setup achieved its peak power at 2.2 bar between 5,500–6,000 RPM, and costs ¥300,000.[3]

Applications

The 1999 Nissan Silvia Spec-R (S15) is powered by the SR20DET.

The SR20DET is used in a number of Nissan vehicles produced from 1989 to 2002, including the Nissan Silvia line of compact sports cars. Below is a list of these.

Model Spec Chassis Years Colour Turbo Market
Bluebird 2000SSS Attesa Limited U12 1989 Red top T25G Japan
2000SSS Attesa Limited U13 91–93 Red top T25G Japan
2000SSS Attesa Limited U13 94–95 Black top T25G Japan
Pulsar GTI-R RNN14 90–94 Red top T28 Japan
Sunny GTI-R EGNN14 90–95 Red top T28 Europe
180SX All S13 91–93 Red top T25G Japan
All (except G/Type S) S13 94–97 Black top T25G Japan
Silvia K's S13 91–93 Red top T25G Japan
K's S14 94–99 Black top T28 (VTC), T28BB if JDM Japan
Autech Version K's MF-T S14 98–99 Black top IHI VN14 (VTC) Japan
270R S14 1994 Black top Japan
Spec-R S15 99–02 Black top T28BB (VTC) Japan
Avenir GT Turbo Salut W10 95,97 Silver top T25G Japan
GT4 W11 98,00–02 Silver top T25BB Japan
Liberty GT4 Highway Star M12 99–00 Japan
R'nessa GT Turbo N30 97–01 Silver top T25BB Japan
200SX S14 93–99 Black top (VTC) Europe
Spec-S & Spec-R S15 99–02 Black top T28BB (VTC) Australia, New Zealand

See also

References

  1. ^ a b c "JDM Spec Engines - Nissan SR20DET Engine". Archived from the original on 2012-02-03.
  2. ^ "T28 Ball Bearing And Non Ball Bearing Turbo - SilviaWA Forums". Archived from the original on 2011-07-16.
  3. ^ "ENDLESSS SR20DET Twin Turbo Kit". 15 June 2019.
This page was last edited on 19 February 2024, at 09:04
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