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750px-Swap 240SX RB20DET


There were a variety of 2.0 L RB20 engines produced:

  • RB20E - single-cam (96 to 110 kW (130 to 145 ps) @ 5600 rpm, 167 to 181 N·m (17 to 18,5 kgf·m) @ 4400 rpm)
  • RB20ET - single-cam turbocharged (125 kW (170 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
  • RB20DET - twin-cam turbocharged (158 kW (215 PS) @ 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
  • NEO RB20DE - twin-cam 155 PS, improved low end torque, reduced fuel consumption and emissions.

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 later twin cam engines used ECCS (Electronically Concentrated Control System). Later versions which used ECCS engine management, discarded the twelve tiny runners for six much larger ones (though they retained twelve ports on the head, so there was a splitter plate). The RB20E was also fitted to some Holden Commodores (the VL Commodore) sold in New Zealand, and also to the A31 Cefiro. The Z31 200ZRwas fitted with an intercooled NICS type RB20DET. RB20DET Red top Camshaft duration 248°in, 240°ex lift: 7.8mm in, 7.8mm ex

Laurels, 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.

RB20DE Camshaft duration 232° in, 240° ex lift: 7.3mm in, 7.8mm ex RB20DET Camshaft duration 240°in, 240°ex lift: 7.3mm in, 7.8mm ex

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

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

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