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ΔημοσίευσηΘέμα: SR series     SR series EmptyΠαρ 8 Νοε 2013 - 0:33

Γενικό τόπικ για τα Sr ατμοσφαιρικά και τουρμπάτα..αποριες,πληροφοριες,προβλήματα,βελτιώσεις κτλ..προφανώς τα sr20det έχουν την τιμητική τους αλλά καλό είναι να καλύπτουμε όλη την σειρά

Και για την ιστορία να υπάρχει


The SR20DET is part of the SR family of engines from Nissan.
It is a popular engine coming from 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 DOHC KA24DE 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 Garrett T25 turbo used on most SR20DET engines.
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.


The SR20DET was first produced in the U12 Nissan Bluebird 2000SSS Attesa in October 1989 [1], possibly as Nissan's rally project. From 1990 through to 1994 it was used in the infamous Nissan Pulsar GTi-R (N14) however with a bigger T28 turbo. In both these cars the engine is aligned in a transverse fashion.
However the RWD Nissan Silvia and Nissan 180SX produced in 1991 were built with a longitudinally aligned SR20DET. Some of the 180SX's were released with the SR20DET while others had the naturally aspirated SR20DE.
The engine then went on to be used in the Nissan Avenir in 1995, the Nissan R'nessa in 1997, Nissan Presage in 1998 and Nissan Liberty in 1999, although these models did not gain the cult status that the earlier produced models did.
Out of all the Nissan models produced with the SR20DET, the Silvia was the longest running model to use it. The S14 and S15 use a bigger turbocharger than the S13 models. | S13/180SX/Bluebird/Pulsar ford | 1989–194 |- | Black | S13/180SX | 1994–1998 |- | Black | S14/S15 | 1994–2002 |- | Silver | Avenir/R'nessa | 1995–2001/1997-2001 |- |}
S13 Black top - Came from 180sx's post 94 (Garrett T25G turbo)
S13 Red top - Came from S13 Silvia and 180sx pre 94 (Garrett T25G turbo)
S14 Black top - 94-98 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)[1]
S15 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 high impendance injectors were used and Intake manifold was redesigned [2]

Engine specification

DOHC (Dual Over Head Cams), 16 Valves, Chain driven cam sprockets
Bore x Stroke of 86 mm x 86 mm
Displacement of 1998 cc (rounded to 2.0 liters)

Car Engine Compression Power Torque Turbo 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 7psi
'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 N14 Pulsar GTi-R
Redtop 8.3:1 169 kW (227 hp) @ 6400 rpm (Euro: 164 kW (220 hp) @ 6400 rpm) 210 lb·ft (280 N·m) @ 4800 rpm (Euro: 196 lb·ft (266 N·m) @ 4800 rpm T-28 7psi
79 Trim 53 mm (2.1 in) (Inconel), .86 A/R housing
60 trim 60 mm BCI-1 in standard T-3 housing
'91-'93 S13 Silvia, 180sx
Redtop 8.5:1 151 kW (202 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 (202 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, 200sx
Blacktop 8.5:1 162 kW (217 hp) @ 6000 rpm 203 lb·ft (275 N·m) @ 4800 rpm T-28 7psi
62 trim 53.8 mm (2.1 in), .64 A/R housing, BB if JDM
60 trim 60 mm BCI-1 in T-04B housing
'99-02 S15 Silvia
Blacktop 8.5:1 183 kW (245 hp) @ 6400 rpm 202 lb·ft (274 N·m) @ 4800 rpm T-28BB 7psi
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

1990-1994 N14 Pulsar GTi-R
Compressor Flow: 33 lb/MIN
Injector Flow: 440cc/min Injector
LSD front and rear in RB Model, LSD Rear only in RA
Quad Throttle Body
1991-1998 180SX
Throttle Body Bore: 60 mm
Injector Flow: 370cc/min Injector
1995-1999 S14 Silvia
Throttle Body Bore: 50 mm
Injector Flow: 370cc/min Injector.


Συζητήσεις του τύπου Sr20 vs CA18 ή SR20 vs RB να ανοιχτούν σε ξεχωριστά topic!Εδω η ενότητα αφορά ΜΟΝΟ την σειρά SR της Nissan
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