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Motores"rb"de Nissan....in English

  1. #1
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    Motores"rb"de Nissan....in English

    Bore and stroke
    All Nissan engines follow a naming convention, identifying the engine family (in this case, RB), displacement, and features present- see the list of Nissan engines for detail.

    The stock dimensions for the RB engines;

    RB20 - 2.0 L (1998 cc, bore: 78.0 mm, stroke: 69.7 mm)
    RB24 - 2.4 L (2428 cc, bore: 86.0 mm, stroke: 69.7 mm)
    RB25 - 2.5 L (2498 cc, bore: 86.0 mm, stroke: 71.7 mm)
    RB26 - 2.6 L (2568 cc, bore: 86.0 mm, stroke: 73.7 mm)
    RB30 - 3.0 L (2982 cc, bore: 86.0 mm, stroke: 85.0 mm)
    "D" indicates a double overhead cam as opposed to a single overhead cam
    "E" indicates the engine is electronically fuel-injected as opposed to carbureted
    "T" indicates the engine has a factory installed turbocharger

    RB20

    RB20E engine in an R31 Nissan SkylineThere were a variety of 2.0 L RB20 engines produced:

    RB20E - single-cam (85 to 96 kW (115 to 130 ps) @ 5600 rpm, 167 to 181 N·m (17 to 18,5 kgf·m) @ 4400 rpm)
    RB20ET - single-cam turbocharged (107 kW (145 PS) @ 6000 rpm, 206 N·m (21.0 kgf·m) @ 3200 rpm)
    RB20DE - twin-cam (110 to 114 kW (150 to 155 PS) @ 6400 rpm, 181 to 186 N·m (18.5 to 19 kgf·m) @ 5600 (and later with a NEO-Head 4400 rpm)
    RB20DET - twin-cam turbocharged (158 kW (215 PS) @ 6400 rpm, 265 N·m (27.0 kgf·m) @ 3200 rpm)
    RB20P - single-cam (94 PS @5600 rpm and 142 N·m @2400 rpm)
    RB20DET-R - twin-cam turbocharged (210 ps @6400 rpm and 245 N·m @4800 rpm
    The first RB20E/ET/DE/DET engines were fitted to the R31 Skyline. The early twin cam engines are generally referred to as 'Red Top' engines because they have red cam covers. The early twin cam engines featured the NICS (Nissan Induction Control System) injection system, while the single cam engines always used ECCS (Electronically Concentrated Control System). The RB20E was also fitted to some Holden Commodores sold in New Zealand, and to the A31 Cefiro. The Z31 200ZR was fitted with an intercooled RB20DET.


    RB20ET engine in an R31 Passage WagonLaurels, R32 Skyline and Cefiros used the second (1988-1993) series RB20E/DE/DET. This had an improved head design, and used the ECCS injection system. These later motors are known as 'Silver Top' engines.

    R34 Skylines and Nissan Stageas used the RB20DE and RB20E (Stagea only) engine with a 'NEO' head. The Neo RB20DE is the most economical RB engine so far produced, it is classed as a 'LEV' (Low Emission Vehicle) engine. In the R34 and the Stagea it produces 165 ps @6400 rpm and 186 Nm @5200 rpm

    The RB20DET-R was used in the Nissan Skyline 2000GTS-R (HR31). It is limited to 800 units.

    The RB20P is the autogas LPG (Liquified petroleum gas) version of the RB20, but with 12 valves (OHC).


    RB24S

    This is a relatively unknown engine, as it was not produced for the Japanese domestic market. These were fitted to some left hand drive Nissan Cefiros exported from Japan new. Mechanically it is made from an RB30E head, RB25DE/DET block and RB20DE/DET crank with 34 mm height pistons. This engine used carburretors instead of the Nissan ECCS fuel injection system. It is able to rev harder than the RB25DE/DET (as it has the same stroke as the RB20DE/DET) as well as being almost the same displacement as the RB25DE/DET. A common modification is to fit a twin cam head from other RB series motors while retaining the carburreted set-up. The standard single cam form produced 141 PS @ 5000 rpm and 20.1 kgf·m (197 N·m) of torque @ 4400 rpm.


    RB25

    1993 RB25DET with VCT
    1998 NEO RB25DETThe 2.5 L RB25 engine was produced in three forms:

    RB25DE - twin-cam 140 kW/190 PS and 147 kW/200 PS (with VCT) @ 6000 rpm, 255 N·m (26.0 kgf·m) @ 4000 rpm)
    RB25DET - twin-cam turbo (245 to 250 hp and 319 N·m)
    NEO RB25DET - twin-cam turbo (206 kW (280 PS) @ 6400 rpm, 362 N·m (37.0 kgf·m) @ 3200 rpm)
    RB25DE and DET engines produced from August 1993 also featured NVCS (Nissan Variable Cam System) for the intake cam. This gave the new RB25DE more power and torque at lower rpm than the previous model.

    In May 1998 a NEO head was fitted, which enabled the engine to be classified as a low emission vehicle engine (LEV). The non-VCT and non-turbo was fitted to the R32 Skyline, the VCT turbo and non-turbo was fitted to R33 Skylines and Stageas. R34 Skylines also use these engines, but they are fitted with a NEO head.



    RB26DETT

    RB26 in an R33 SkylineThe first 2.6 L RB26DETT featured twin-turbochargers and produced around 280 HP (206 kW) @ 6800 rpm and 260 ft·lb (353 N·m) @ 4400 rpm. The last series of the RB26DETT produced 280 PS (206 kW) @ 6800 rpm and 289 ft·lb (392 N·m) @ 4400 rpm. However, several stock (unmodified) engines have been dyno tested and reported to obtain nearer the 320 HP mark. The reason some RB26DETTs put out 320HP, is becuase they are unrestricted. In Japan, every car must be restricted to 276HP. Therefore Japanese versions of the engine put out 276HP, and unrestricted or non-japanese versions put out 320HP. It is widely known for its strength and extreme power potential. It is not uncommon for 600 hp to be achieved on the standard bottom end. With regular maintenance, many of these engines have been driven way past the 100,000 mile mark with a few heading toward 200,000 miles.

    With extreme modification, the RB26 motor is capable of power in excess of 1 megawatt (or over 1,340 hp).

    (From Japanese wiki) Autech made a small number of R32 GTS-4 Skylines with a naturally aspirated RB26DE conversion. The engine used forged pistons, a higher lift cam, and a tuned ECU. It produced 162 kW (220 PS) @ 6800 rpm and 245 N·m (25.0 kgf·m) @ 5200 rpm.

    Although there was never a factory Nissan Variable Cam System for the RB26, tuning companies such as HKS sell aftermarket options.

    Originally the R32 GT-R was planned to have a 2.4L RB24DET, and compete in the 4000 cc class (in Group A rules, the displacement is multiplied by 1.7 if the engine is turbocharged). This was when Nismo was going through the process of designing the R32 GT-R to be a Group A race car. But when the engineers added the AWD system, it would make the car heavy and less competitive. Nismo made the decision to make the engine a 2.6L twin turbo, and compete in the 4500 cc class, resulting in the RB26DETT known today.


    ............ IN SOME PLACE OF ROAD ............
    ............ VINIL ADDS HORSEPOWER ...........

  2. #2
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    Re: Motores"rb"de Nissan....in English

    The RB26DETT was used in the following cars:

    Nissan Skyline GT-R R32
    Nissan Skyline GT-R R33
    Nissan Skyline GT-R R34
    Nissan Stagea 260RS
    Tommy Kaira ZZ II


    RB26DETT Z2

    This is the engine used in the Nissan Skyline GT-R Z-Tune. It is basically the RB26 block, modified with Nismo parts, and stroked to 2.8 L. The end result was the RB26 Z2, which puts out 500 hp and 550 N·m of torque. They originally aimed for 630 hp, but the engine had to be de-tuned after problems were encountered with high emission values.


    RB30

    Three models of 3.0 L RB30 were produced:

    RB30S - carbureted single-cam
    RB30E - fuel-injected single-cam (114 kW @ 5200 rpm, 247 N·m (25.2 kgf·m) @ 3600 rpm)
    RB30ET - fuel-injected single-cam turbo (150 kW)
    This motor was produced because the Holden 202 (3.3 L) powering the Holden Commodore could no longer satisfy emissions requirements, and with all new cars required to run on unleaded petrol by 1986, a quick replacement was needed. Nissan Motor Co. teamed up with GM to build their biggest displacement RB, the 3-litre RB30E. The RB30ET was only found in the VL Commodore. The RB30E suffered issues with the cylinder head cracking due to the radiator being fitted lower in the engine bay that the cylinder head causing air locks in the water galleries in the head. This issue was mosly related to being fitted to the Commodore although the Skyline did suffer this issue to a lesser extent also. The engine proved to be very reliable other than this issue. The RB30S was found in some Middle Eastern R31 Skylines and in some Nissan Patrols. The RB30E was found in R31 Skylines and VL Commodores in Australia as well as in South African R31 Skylines (with 126 kW @ 5000 rpm and 260 Nm @ 3500 rpm)

    The turbocharged RB30ET (producing 150 kW) was found only in the VL Commodore (available in all trim and specification levels from SL to Calais) and consisted of a lower compression RB30E bottom end, more powerful oil pump, T3 Garrett turbocharger, 250 cc injectors and a different intake manifold. The motor itself is still popular today (albeit in highly modified form) on the Australian Drag Racing circuit.

    Nissan Special Vehicles Division Australia produced two limited runs of 200 R31 Skylines, the GTS1 and GTS2. These contained slightly more powerful RB30E engines.

    GTS1 RB30E - injected single-cam (130 kW @ 5500 rpm, 255 Nm (26.0 kgf·m) @ 3500 rpm) - special cam profile, special exhaust[6]
    GTS2 RB30E - injected single-cam (140 kW @ 5600 rpm, 270 N·m (27.5 kgf·m) @ 4400 rpm) - special cam profile, special exhaust, piggy back computer, valve porting


    RB30DE

    These rare engines were used in the Tommy Kaira M30 based on the R31 Skyline GTS-R. It delivered 177 kW (240 PS) @ 7000 rpm and 294 N·m (30.0 kgf·m) @ 4800 rpm. Apparently the engine was made up of a RB30 bottom end mated to a modified RB20DE head. These engines also exist as a hybrid conversion using a RB30 bottom end and a RB25DE head.


    RB30DET

    RB30DET - R31 RB30E block, R32 RB25DE head.Nissan did not produce this engine, but it refers to a turbocharged engine featuring an RB30E block with a twin-cam head conversion. Common hybrid in Australasia using a RB30E bottom end mated to a RB25DE or RB26DETT cylinder head and turbo (RB20DE and DET heads are generally not used as there's little or no flow improvement). The RB25DE cylinder head from the R32 Skyline, A31 Cefiro or C33 Laurel can be used, and fits almost directly on. The RB25DET (from the R33 Skyline or C34 Laurel or Stagea) head is also used, however an external oil feed must be fabricated for the variable cam timing on the RB25DET, and the galleries at the front of the engine do not line up. The variable cam timing may be disconnected altogether.

    The fitment of a twin cam head from any of these engines onto a standard compression RB30E bottom end gives an ideal compression ratio for a mild to moderately modified street turbo engine, making the conversion popular amongst those who would otherwise convert their RB30E to a high compression RB30ET using original ET bolt on externals.

    Although it has a larger displacement than the RB26DETT, maximum possible horsepower is less, as the RB30 block lacks the RB26 block's internal cast-in bracing, and consequently cannot rev as high due to harmonic issues at ~7500 rpm. To compensate, the RB30DET produces more torque at lower revs. There is also an 'RB30DETT' kit manufactured by OS Giken of Japan, which bolts an extension on top of the RB26 engine block, and fits liners, to give an 86 mm bore x 86 mm stroke. It is available as an assembled short block, containing billet chrome-molybdenum crank, billet chrome-molybdenum H-beam connecting rods, forged pistons, and costs ¥1,500,000.


    ............ IN SOME PLACE OF ROAD ............
    ............ VINIL ADDS HORSEPOWER ...........

  3. #3
    Violent by design Avatar de Opel_X16SZR
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    Re: Motores"rb"de Nissan....in English

    Interesante informacion...

    Sin duda es uno de los mejores motores japos que se han hecho hasta ahora...
    Lastima que siempre hayan tirado de turbo para las versiones punteras...

  4. #4
    Zonatuner Avatar de hachiroku_AE86
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    Re: Motores"rb"de Nissan....in English

    joder que buena informacion, gracias top!!

  5. #5
    JFK
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    Re: Motores"rb"de Nissan....in English

    Cita Iniciado por Opel_X16SZR Ver Mensaje
    Lastima que siempre hayan tirado de turbo para las versiones punteras...
    no solo de Vtec vive el hombre

    ami al contrario...no le veo la gracia a un sky sin turbo

    cuando yo vi el R33 GTS le pregunte que motor tenia (nunca me aclaraba que motor montaba...hasta pensaba que era un 2.0 NA ) y me dijo que era un 2.5T de 280 cv...los que tiene un GT-R y me quede muy pillado ya que son los mismos CV de un GT-R pero no la misma cilindrada....

    Sin Melón no hay "entre melones y sandías"

  6. #6
    saz
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    Re: Motores"rb"de Nissan....in English

    wow, gracias por la info! Directa a mi carpeta


    Euskalduna naiz eta harro nago!
    Txuri, gorri ta berde Gu euskal selekzioaren alde!
    You better be cool. Be cool.

  7. #7
    Violent by design Avatar de Opel_X16SZR
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    Re: Motores"rb"de Nissan....in English

    Cita Iniciado por JFK TuNiNG Ver Mensaje
    cuando yo vi el R33 GTS le pregunte que motor tenia (nunca me aclaraba que motor montaba...hasta pensaba que era un 2.0 NA ) y me dijo que era un 2.5T de 280 cv...los que tiene un GT-R y me quede muy pillado ya que son los mismos CV de un GT-R pero no la misma cilindrada....

    Si no me equivoco los GT-S tienen 250cv...
    Y los GT-R segun he oido por ahi algunos salian realmente (no los 280 de "papel") con casi 390cv... nissan tubo que hacer un limitador a 289km/h pero realmente el coche podia ponerse sin el a unos 379km/h...

  8. #8
    JFK
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    Re: Motores"rb"de Nissan....in English

    Cita Iniciado por Opel_X16SZR Ver Mensaje
    Si no me equivoco los GT-S tienen 250cv...
    no te quito razon...ami lo que me dijo el dueño

    no quise contradecirle por que igual quedaba mal,si alguien se importa un R33 creo que al menos tiene algo de idea del coche que se compra y por eso no quise darle mas vueltas

    Sin Melón no hay "entre melones y sandías"

  9. #9
    Zonatuner Avatar de tunero_gsi
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    Re: Motores"rb"de Nissan....in English

    Buena info

  10. #10
    Zonatuner Avatar de miliocom
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    Re: Motores"rb"de Nissan....in English

    el r33 gts son 250cv, los 280 son del gtt que es el mismo rb25 del 33 pero mejorado.

    en la info veo un fallo, nombran el rb25dett que no existe, el unico biturbo es el rb26

  11. #11
    Zonatuner
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    Re: Motores"rb"de Nissan....in English

    bueno aki e encontrado algo de informacion en español.

    Clubdrift :: Ver tema - Motores rb (skyline)

    espero qe os sirva, yo aki aprendi ya qe de ingles poco se jajaja

  12. #12
    Zonatuner Avatar de I Love Techno!
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    Re: Motores"rb"de Nissan....in English

    En japon todos tienen que estar limitados a 180 km/h y reales cortan a unos 192 km/h mas o menos, de echo los velocimetros marcan solo 180 km/h

    Se pueden deslimitar pero es delito tanto para el propietario del vehiculo como para el preparador que lo haga

    Y creo que tambien habia un pacto entre las marcas punteras para sacar todos los coches con la potencia maxima como 280 cv y creo que se llamaba el pacto de los caballeros o algo asi y este año ya lo rompieron todos, tanto subaru, como mitsubishi, como nissan, en esto ultimo no estoy muy puesto por que solo se lo oi decir a rafael del cid de auto hebdo sport

  13. #13
    Zonatuner Avatar de miliocom
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    Re: Motores"rb"de Nissan....in English

    mas que un pacto era una norma del estado que prohibia a o fabricantes dotar de mas de 280cv a los coches, aunque en ocasiones solo se conformaban con declararlo sobre papel. De hecho el NEORB25DET declaraba los mismos cv que el RB26DETT "280"..

  14. #14
    Preparador/instalador
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    Re: Motores"rb"de Nissan....in English

    yo antes del patrol rd28 que tengo ahora, este mismo coche montava un rb30 lo que me costava mas pasta arreglarlo que meter el diesel que lleva ahora, pero joder si iva bien, una joia

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