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Nissan Skyline R31 1986 1991 Gregorys Service Repair Manual

About the Nissan Skyline

The Nissan Skyline is a line of compact cars, activities cars and small executive cars originally produced by the Prince Motor Company starting in 1955, and then by Nissan after the 2 companies merged in 1966. After the merger, the Skyline and its larger counterpart, the Nissan Gloria, had been offered in Japan at dealership sales channels called Nissan Prince Shop.The Skyline was largely designed and engineered by Shinichiro Sakurai from inception, and he remained a main influence of the car until his death in 2011.Iterations R30 to R34 of the Skyline are nonetheless popular tuner cars for Japanese automobile enthusiasts from the 1980s to these days, particularly with available features such as straight-six turbochargers, engines, and the high-performance GT-R trim. It is currently available in either coupÃ�©, or sedan body styles, and are many commonly known by their trademark round tail and brake lights (as of 1972); the station wagon bodystyle was dropped in 1989 with the introduction of the R32 platform. While not distributed in the United States until its importation as the Infiniti G, the Skyline's prominence in video games, films and magazines resulted in many such cars being imported there from 1999 to late 2005, after Motorex petitioned the National Highway Traffic Safety management to allow 1990–1999 GTSs and GT-Rs to become imported, at the condition that they had been modified to meet United States Federal Motor Vehicle Safety Standards.

The 11th-generation Skyline (V35) was another major turning point for the nameplate, as it dropped some of the Skyline's trademark characteristics such as the straight-6 engine and turbocharging, ultimately separated the GT-R into its own line, and moved to V6-engined era, this choice which extended to all later Skylines. Nissan decided to retain the Skyline for the luxury-sport market, while its platform-mate, the 350Z, revived the Z line of pure sports cars. The V35 had been the first Skyline made for export to North America, being sold under Nissan's luxury marque Infiniti as the G35. The Skyline (V36/J50) is sold in North, European countries America, South Korea, Taiwan, and the Middle East as the Infiniti G37.The Guinness World Record for the largest parade of Nissan cars was set on April 11, 2010 at Silverstone Circuit, United Kingdom, when 225 Nissan Skylines were driven across the racetrack at the International Styling and Tuning Show event.

The R31 Skyline of 1986 was a natural development on the R30 shape, anan additionally this one was loosely based on the Laurel platform (C32). The design was somewhat bigger and squarer than previous Skylines. It had been offered as Sedan, Hardtop sedan, Coupe and station wagon. Affectionately known as the "Seventhsu" or just "7th Sukairain" by owners, because of to it being the 7th-generation Skyline.The R31 Skyline introduced many new technologies and functions. The HR31 was the first Skyline to be equipped with the brand new RB-series of engines. The R31 RB engines are often called to as "Red Top" engines because of the red cam covers. There were three variants. The earliest series of DOHC RB engines used the NICS (Nissan Induction Control System) injection system with 12 very small consumption runners, and a butterfly system to divide the intake ports in half for better low RPM performance. Later versions utilized ECCS (Electronically Concentrated Control System) motor management, discarded the twelve tiny runners for six much larger people (though they retained twelve ports on the head, so there was a splitter plate), and got a slightly larger turbocharger. Nissan's RD28, a 2.8 straight-6 engine, featured for a diesel option. Another technological first for the R31 was the introduction of Nissan's proprietary 4-wheel steering system, dubbed HICAS (High Capacity Active Steering). The R31 series were also the only designs in the Skyline family to feature a 4-door hardtop variation. These models were generally badged as the Passage GT.

The R31 Skyline was also created in Australia, with a 3.0 L motor (RB30E) available in sedan or wagon form, as well as a four-cylinder version called the Nissan Pintara. The wagon had the same front style as the coupe and sedan—the only difference being that it lacked the four round brake lights that had been a consistent element of Skyline design (except for the R31 series one/two which had rectangular taillights with a solid bar through the centre which was also provided by the Pintara). These cars had been manufactured in Australia due to the heavy import laws which made it expensive to bring cars into Australia.29,305 R31 Skylines were also sold and manufactured in South Africa in 4-door sedan form between 1987 and 1992. These were the final Skylines seen in South Africa. Energy came from either the RB30E 3.0 straight-6 motor, RB20E 2.0 straight-6 motor or the CA20S 4-cylinder powerplant.The ultimate version of the R31 had been the RB20DET-R powered HR31 GTS-R Coupe of which 800 units were built to allow homologation for Group A Touring Car racing. It had a reworked version of the normal RB20DET with a much larger turbocharger on a tubular steel exhaust manifold, as well as a much larger front-mounted intercooler boosting power to a factory claimed 210 ps (154 kW), with racing versions making over 430 hp (321 kW) in Group A trim.

Pintara – 2.0 L CA20E I4, 102 hp (78 kW, 160 N m)

Executive, GX, Silhouette, Ti, GXE – 3.0 L RB30E SOHC I6, 157 hp (117 kW, 252 N m)

Silhouette GTS1 – 3.0 L RB30E SOHC I6, 176 hp (130 kW, 255 N m)

Silhouette GTS2 – 3.0 L RB30E SOHC I6, 190 hp (140 kW, 270 N m)

Nissan Skyline R31 1986 - 1991 Gregorys Owners Service and Repair Manual 1987 1988 1989 1990

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