Nissan RB engine
Reciprocating internal combustion engine / From Wikipedia, the free encyclopedia
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The RB engine is an oversquare 2.0–3.0 L straight-6 four-stroke gasoline engine from Nissan, originally produced from 1985 to 2004. The RB followed the 1983 VG-series V6 engines to offer a full, modern range in both straight or V layouts.[3]
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Nissan RB engine | |
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Overview | |
Manufacturer | Nissan (Nissan Machinery) |
Production | 1985–2004 (original) 2019–present (new production)[1][2] |
Layout | |
Configuration | Straight-six |
Displacement | 2.0 L; 121.9 cu in (1,998 cc) 2.4 L; 148.2 cu in (2,428 cc) 2.5 L; 152.4 cu in (2,498 cc) 2.6 L; 156.7 cu in (2,568 cc) 2.8 L; 169.0 cu in (2,770 cc) 3.0 L; 180.8 cu in (2,962 cc) |
Cylinder bore | 78 mm (3.07 in) 86 mm (3.39 in) 87 mm (3.43 in) |
Piston stroke | 69.7 mm (2.74 in) 71.7 mm (2.82 in) 73.7 mm (2.90 in) 77.7 mm (3.06 in) 85 mm (3.35 in) |
Cylinder block material | Cast iron |
Cylinder head material | Aluminium |
Valvetrain | SOHC 2 valves x cyl. DOHC 4 valves x cyl. with NVCS |
Compression ratio | 7.8:1-10:1 |
Combustion | |
Turbocharger | Single Garrett T3; Twin Garrett T28-type ceramic with intercooler (RB26DETT) |
Fuel system | Carburetor Electronic Fuel injection |
Management | Hitachi, NICS, ECCS |
Fuel type | Gasoline Autogas LPG |
Cooling system | Water-cooled |
Output | |
Power output | 94–500 PS (93–493 hp; 69–368 kW) |
Torque output | 142–540 N⋅m (14–55 kg⋅m; 105–398 lb⋅ft) |
Chronology | |
Predecessor | Nissan L engine Black ‘202’ (Holden) |
Successor | Nissan VQ engine Nissan VR engine ECOTEC V6 (Holden) |
The RB engine family includes single overhead camshaft (SOHC) and double overhead camshaft (DOHC) engines.[4] Both SOHC and DOHC versions have an aluminium head. The SOHC versions have 2 valves per cylinder and the DOHC versions have 4 valves per cylinder; each cam lobe moves only one valve. All RB engines have belt driven cams and a cast iron block. Most turbo models have an intercooled turbo (the exceptions being the single cam RB20ET & RB30ET engines), and most have a recirculating factory blow off valve (the exceptions being when fitted to Laurels and Cefiros) to reduce compressor surge when the throttle quickly closes.
The RB engines are derived from the six-cylinder L20A engine, which has the same bore and stroke as the RB20. All RB engines were made in Yokohama, Japan where the VR38DETT engine was made. Some RB engines were rebuilt by Nissan's NISMO division at the Omori Factory in Tokyo as well. All Z-Tune Skylines were rebuilt at the Omori Factory.
After a 15-year hiatus, production of the RB series resumed in 2019.[5][6][7]