Nissan SR20DET

Nissan SR20DET
Nissan SR20DET engine in a U13 Bluebird (FWD/AWD layout).
Overview
Manufacturer	Nissan (Nissan Techno)
Production	1989–2002
Layout
Configuration	Straight-four
Displacement	2.0 L (1,998 cc)
Cylinder bore	86 mm (3.39 in)
Piston stroke	86 mm (3.39 in)
Cylinder block material	Aluminum[1]
Cylinder head material	Aluminum[1]
Valvetrain	DOHC 4 valves x cyl.
Valvetrain drive system	Timing chain
Compression ratio	8.3:1, 8.5:1
Combustion
Turbocharger	Garrett S13 T25, S14 T28, S15 T28 BB
Fuel system	Electronic fuel injection
Fuel type	Gasoline
Cooling system	Water-cooled
Output
Power output	From 204 PS (150 kW; 201 hp) to 250 PS (184 kW; 247 hp)
Torque output	From 266 N⋅m (196 lb⋅ft) to 280 N⋅m (207 lb⋅ft)
Chronology
Predecessor	CA18DET
Successor	QR20DE

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.

Like with the outgoing CA18DET, the SR20DET was a turbocharged intercooled engine in top form. It was Nissan's popular four-cylinder turbocharged 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 and the Nissan Bluebird.

Both the SR20DE and SR20DET engines replaced the CA18DE and CA18DET engines that originally powered the Silvia and 180SX from the S12-chassis and prior. The previous CA18DE and CA18DET engines were deemed too expensive to produce (due to its cast-iron block) and no longer met Japanese emission standards, and so they were replaced with the SR20DE and SR20DET respectively.

The SR20DET is a popular choice as 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. Both are naturally aspirated engines and are often less-powerful than the CA18DET and SR20DET engines used with its Japanese counterparts, producing about 140 hp (100 kW) and 155 hp (116 kW) respectively.

Engine swaps for the SR20DET are becoming more commonplace due to the many aftermarket forced induction options available for the SR20DET. There have been many tuning shops around the world that specialize exclusively in SR20DET engine swaps.