fuel efficiency. These lightweight crankshafts were also homologated for use in the Japanese N2 Silvia racing program and later used in the SR20VE engine. This engine was never used on the USDM counterpart of the P10/11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: 1991-1997 Nissan Primera Nissan Sunny Nissan Avenir W10 Nissan Rasheen 1991-1997 Nissan Bluebird U13 1989-1998 Nissan Bluebird U14 Factory detuning and refining of fuel injection. 1990-1993 Nissan Pulsar GTi B13 and N14, at 6400 rpm and at 4800 rpm 1991-1999 Nissan Pulsar GTi N15, at 6400 rpm and at 4800 rpm 1989(??)-2001 Nissan Presea SR20Di The SR20Di is a DOHC engine. It produces . Bore and stroke are . Similar to the 1.8 liter version except for bigger displacement with a throttle body injection system. This engine was never used on the USDM counterpart of the P10/11 Primera, the Infiniti G20, as it uses the 2.0 L SR20DE engine instead. It is used in the following vehicles: 1991–1994.6 Nissan Primera SR20DE The SR20DE is a DOHC engine. It was used in over 15 Nissan models. It first appeared in October 1989 in the U12 Bluebird, and was gradually phased out over time with the introduction of the low-emissions QR engine family. It carried nominal power ratings between from the factory, although there are some Autech models with horsepower ratings of between 175 and 200 hp depending on the chassis and degrees of tuning. The breakdown of the engine code is as follows: SR - Engine 20 - 2.0 Litres D - Dual Overhead Cams E - Electronic Fuel Injection This engine has the following specifications (SAE, 1991): It is used in the following vehicles: SR20DET The SR20DET is a DOHC engine. It is a turbocharged version of the SR20DE, with power outputs ranging from at 6000 rpm to at 6400 rpm, and torque outputs ranging from at 4800 rpm to at 4800 rpm. It was first used in the U12 Nissan Bluebird SSS ATTESA from October 1989, and expanded to several cars from 1989 through 2002. The Silvia was the longest-running Nissan model to use this engine, starting with the S13 series in 1991 and ending with the S15 series in 2002. This engine was replaced with the QR20DE engine in most applications. It is used in the following vehicles: 1989-1991 Nissan Bluebird HNU12