Nissan SR20DET

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
Cylinder head materialAluminum
ValvetrainDOHC 4 valves x cyl.
Valvetrain drive systemTiming chain
Compression ratio8.3:1, 8.5:1
Combustion
TurbochargerGarrett S13 T25, S14 T28, S15 T28 BB
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.

Both the SR20DE and SR20DET engines were replacements for the CA18DE and CA18DET engines, which no longer met Japanese emissions standards and were too expensive to manufacture (due to its cast-iron block). Like with the outgoing CA18DET, the SR20DET was a turbocharged intercooled engine in top form.

The SR20DET was Nissan's popular four-cylinder turbocharged engine fitted into a wide variety of cars, including the Pulsar GTI-R, the Nissan Bluebird, and (most notably) the S13-chassis Nissan Silvia and 180SX. The previous CA18DET engine originally powered the Silvia and 180SX from the S12-chassis and prior, including the early S13-chassis models.

The SR20DET is a popular choice for an engine swap in several cars, most notably the 240SX sold in the United States and Canada. They were fitted with the SOHC KA24E for earlier models and the DOHC KA24DE for later models, all of which are naturally aspirated engines and are often less-powerful than the CA18DET and SR20DET engines used in its Japanese counterparts, producing about 140 hp (100 kW) and 155 hp (116 kW) respectively.

SR20DET swaps have become more commonplace due to a variety of aftermarket forced induction options available for the engine. There have been many tuning shops around the world that specialize exclusively in SR20DET engine swaps.