SR20DET engine

Nissan SR20DET engine

This is a series of in-line, 4-cylinder engine has its origins in 1989. The new series has been developed to replace the series of engines CA (CA16, CA18, CA20) and structurally different from the latter in the following main points:

  • All SR engines are equipped with electronic fuel injection (in the CA Series both carbureted and fuel injected engines were represented);
  • All SR engines has head with 4 valves per cylinder;
  • SR series are more forced, and a maximum power of these motors is achieved from 6000 rev / min (SR18 / 20Di) up to 7800 rev / min (SR16VE), while at the CA series, these figures range from 5200 rev / min (CA18S / E) to 6400 rev / min (CA18DET);
  • The timing at the SR motor via the chain, rather than through the belt like a CA, which implies increased engine reliability;
  • SR motors have hydraulic lifters in the valve mechanism;
  • SR engines are equipped with only a single-ignition system.

Nowadays, the SR engines are already removed from production and completely replaced by more modern QR and QG. But despite this, it is on the basis of this engine all new series of high performance engine with variable valve timing have been developed and it shows great potential laid in the development of the series. Issue of the SR series lasted until 2003.

Manufacturer	Yokohama plant Also called	Nissan SR20 Production	1989-2007 Cylinder block alloy	Aluminum Configuration	Straight-4 Valvetrain	DOHC 4 valves per cylinder Piston stroke, mm (inch)	86 (3.39) Cylinder bore, mm (inch)	86 (3.39) Compression ratio	8.3 (SR20DET) 8.5 (SR20DET) 9.0 (SR20VET) 9.5 (SR20DE/SR20Di) 11.0 (SR20VE) Displacement	1998 cc (121.9 cu in) Power output	85 kW (115 HP) at 6,000 rpm 92 kW (125 HP) at 5,600 rpm 103 kW (140 HP) at 6,400 rpm 110 kW (150 HP) at 6,400 rpm 118 kW (160 HP) at 6,400 rpm 121 kW (165 HP) at 6,400 rpm 140 kW (190 HP) at 7,000 rpm 151 kW (205 HP) at 6,000 rpm 151 kW (205 HP) at 7,200 rpm 162 kW (220 HP) at 6,000 rpm 165 kW (225 HP) at 6,000 rpm 169 kW (230 HP) at 6,400 rpm 184 kW (250 HP) at 6,400 rpm 206 kW (280 HP) at 6,400 rpm Torque output	166 Nm (122 lb·ft) at 4,800 rpm 170 Nm (125 lb·ft) at 4,800 rpm 179 Nm (132 lb·ft) at 4,800 rpm 178 Nm (131 lb·ft) at 4,800 rpm 188 Nm (139 lb·ft) at 4,800 rpm 192 Nm (142 lb·ft) at 4,800 rpm 196 Nm (145 lb·ft) at 6,000 rpm 275 Nm (203 lb·ft) at 4,000 rpm 206 Nm (152 lb·ft) at 5,200 rpm 275 Nm (203 lb·ft) at 4,800 rpm 275 Nm (203lb·ft) at 4,800 rpm 280 Nm (207 lb·ft) at 4,800 rpm 300 Nm (221 lb·ft) at 4,800 rpm 315 Nm (232 lb·ft) at 3,200 rpm Redline	7,100 (SR20DE Low port) 7,500 (SR20DE High port) 7,500 (SR20DET Red top) 7,200 (SR20DET Black top) 7,200 (SR20VE) HP per liter	57.6 65.6 70.1 75.1 80.1 82.6 95.1 102.6 102.6 110.1 112.6 115.1 125.1 140.1 Fuel type	Gasoline Weight, kg (lbs)	160 (350) – SR20DE 180 (400) – SR20DET Fuel consumption, L/100 km (mpg) -City -Highway -Combined	for Infiniti G20 11.5 (20) 6.8 (35) 8.7 (27) Turbocharger	 Naturally aspirated Garrett T25G Garrett T28 Garrett T28BB Oil consumption , L/1000 km (qt. per miles)	up to 0.5 (1 qt. per 1200 miles) Recommended engine oil	5W-20 5W-30 5W-40 5W-50 10W-30 10W-40 10W-50 10W-60 15W-40 15W-50 20W-20 Engine oil capacity, L (qt.)	3.4 (3.6) Oil change interval, km (miles)	5,000-10,000 (3,000-6,000) Normal engine operating temperature, °C (F)	90 (195) Engine lifespan, km (miles) -Official information -Real	 – 400,000+ (250,000) Tuning, HP -Max HP -No life span loss	 400+ ~350

SR20-det

SR20DET Specs

nissan_sr20det-engine

This engine is installed in

Valve cover colors

The colors of the valve covers seem to be related to the year the engine was released.

Color Model Years
Red S13/180SX/Bluebird/Pulsar 1989–1994
Blue S13/180SX 1994–1998
Black S14/S15 1994–2002
Silver Avenir/R’nessa 1995–2001/1997-2002
  • S13 Black top – 180sx’s post-94 (Garrett T25G turbo)
  • S13 Red top – S13 Silvia and 180sx pre-94 (Garrett T25G turbo)
  • S14 Black top – 1994-98 (notchtop) Silvias – Variable Cam Timing aka VTC 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)
  • S15 Black top – 1999-2002 Silvias. As S14 but with PTU within ignition coil packs, 6-speed manual transmission (Garrett Journal Bearing T28 for Europe and Australia and Ball Bearing T28 turbo for Japan)

It was available in the following vehicles:

  • S13/14/15 Nissan Silvia
  • S13 Nissan 180SX, 205 ps (109.78 kW) / 6000 rpm (274.59 N⋅m) / 4000 rpm
  • S14 + S14a Nissan 200SX, 220 ps (161.81 kW) / 6000 rpm (274.59 N⋅m) / 4800 rpm
  • S15 Nissan Silvia (JDM), 250 ps (183.88 kW) / 6400 rpm (274.59 N⋅m) / 4800 rpm
  • RNN14 Nissan Pulsar GTi-R, 230 ps (169.17 kW) / 6400 rpm (284.39 N⋅m) / 4800 rpm
  • NN30Nissan R’nessa GT Turbo, 200 ps (147.10 kW) / 6000 rpm (264.78 N⋅m) / 4000 rpm
  • HNU13 Nissan Bluebird SSS ATTESA Limited, 210 ps (154.46 kW) / 6000 rpm (274.59 N⋅m) / 4000 rpm
  • HNU12 Nissan Bluebird SSS ATTESA Limited, 205 ps (150.78 kW) / 6000 rpm (274.59 N⋅m) / 4000 rpm
  • PNW11 Nissan Avenir Highway Star/GT4, 230 ps (169.17 kW) / 6000 rpm (274.59 N⋅m) / 3600 rpm
  • PNW12 Nissan Liberty GT4, 230 ps (169.17 kW) / 6000 rpm (274.59 N⋅m) / 3600 rpm
  • PNW10 Nissan Avenir Salut G GT Turbo, 210 ps (154.46 kW) / 6000 rpm (274.59 N⋅m) / 4000 rpds
    Nismo 270R (270 hp at 6000 rpm)

It is a popular inline four cylinder engine fitted into a variety of cars, generally the Nissan Silvia and 180SX. It also came in the Pulsar GTI-R and the Nissan Bluebird. This engine replaced the CA18DE and CA18DET that originally powered the Silvia and 180SX. The CA18 was deemed too expensive to produce and no longer met Japanese emission standards, so it was replaced by the SR20. The SR, just like the out-going CA, was a turbocharged intercooled engine in top form. Nissan also produced a cheaper naturally aspirated version called the SR20DE. In the US and Canada, the Silvia and 180SX are both under the 240SX banner. USDM and Canada 240SX’s come stock with the SOHC KA24E for earlier models, or the DOHCKA24DE for later models. Both are naturally aspirated engines producing 140 hp (100 kW) and 155 hp (116 kW) respectively. SR20DET engine swaps are becoming more commonplace due to the forced induction aftermarket additions available for the SR20DET. Many shops specialize only in SR20DET swaps.

 The breakdown of the engine code is as follows:

  • SR – Engine Code Name
  • 20 – 2.0 Liter Displacement
  • D – Dual Overhead Camshaft
  • E – Electronic Fuel Injection
  • T – Turbocharged

The Lack of the letter “D” on some of the engine identifications indicates a SOHC cylinder head.

Source

Nissan SR20DET engine problems

SR engines are very reliable and durable. They do not have any great problems or faults. Sometimes a problem of rough idle appears. It mainly happens because of idle air control valve, or your fuel might be of low-quality. Also MAF sensor fails sometimes.

SR20DE engine has quite long lifetime, on condition of using high-quality motor oil and serving the engine regularly. This lets increasing lifespan to 250,000 miles of mileage (400,000 km) or even more.

SR20DET Swapped 89 Nissan 240SX(s13) Drifting in the Rain

 

TWIN 800+hp Nissan 240SX’s – 2JZ and SR20DET Powered

 

Nissan SR20 turbo sound compilation

 

SR20DET Head Gasket Replacement How-To

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