EVERY THING YOU SEE IN THIS PICTURE IS INCLUDED.
RB26DETT[edit]
RB26DETT from an R34 GT-R.
The RB26DETT engine is a 2.6L Inline-6 engine manufactured by Nissan, for use in the 1989-2002 Nissan Skyline GT-R. The RB26DETT engine block is made from cast iron, while the cylinder head is made from aluminium. The cylinder head contains 24 valves (4 valves per cylinder), and uses a dual overhead camshaft setup. The intake of the RB26DETT varies from other RB-series motors in that it has six individual throttle bodies instead of a single throttle body. The engine also uses a parallel twin-turbo system, using a pair of T28-type ceramic turbochargers set by the wastegates to limit boost pressure to 10 psi, although the Skyline GT-R has a built in boost restrictor to keep boost under 14 psi.
This Nissan RB26DETT engine is on display at the Nissan Engine Museum in Yokohama, Japan.
This Nissan RB26DETT engine is on display at the Nissan Engine Museum in Yokohama, Japan.
This Nissan RB26DETT engine is on display at the Nissan Engine Museum in Yokohama, Japan.
The first 2.6 L RB26DETT was rated by Nissan at around 276 HP (206 kW) @ 6800 rpm and 260 lb·ft (353 Nm) @ 4400 rpm. By the end of production, power levels had gone up to around 276 HP (206 kW) @ 6800 rpm and 289 lb·ft (392 Nm) @ 4400 rpm, not only because of developments and modifications to the engine, but also because of the "Gentlemen's Agreement" made between Japanese automakers to limit the "advertised" horsepower of any vehicle to 280 PS (276 HP). The RB26 is widely known for its strength and extreme power potential, much like Toyota's 2JZ-GTE engine. It is not uncommon for 600 hp to be achieved without modification of the engine internals. With regular maintenance, many of these engines have been driven well beyond the 100,000 mile mark with a few heading toward 200,000 miles. With extreme modification, the RB26 motor is shown to be capable of power in excess of 1 megawatt (1,340 hp).[1][2]
| Duration | Lift |
| Camshaft | Intake | Exhaust | Intake | Exhaust |
| RB26DETT | 240° | 236° | 8.58mm | 8.28mm |
| RB26DETT N1 | 240° | 236° | 8.58mm | 8.28mm |
Some factory features of the RB26DETT: -Stock pistons have cooling channels under the crowns (extra oil cooling to keep piston temperatures down) -Piston oil squirters -Sodium filled exhaust valves -Forged crankshaft -forged conrods (rated to over 400KW at the wheels, more reliable with ARP rod bolts fitted)
There is a common oiling problem with the pre-1992 R32 RB26 motors, as the surface where the crankshaft meets the oil pump was machined too small, eventually leading to oil pump failure at high rpm. This issue was resolved in later versions of the RB26. Aftermarket performance parts makers also make oil pump extension drives to rectify this problem.
RB26DETT can be found in the R32, R33 and R34 generations of the Nissan Skyline GT-R. Besides minor cosmetic updates and ECU fine tunings, changes were made in the R34 generation to ball bearing T28 turbochargers as opposed to journal bearing turbos.
Originally the R32 GT-R was planned to have a 2.4L RB24DETT, and compete in the 4000cc 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 Arace car. But when the engineers added the AWD system, they found it made the car heavier than expected and as a result, much less competitive. Nismo made the decision to make the engine a 2.6L twin turbo, and compete in the higher 4500cc class, resulting in the RB26DETT known today.[3]
The RB26DETT was used in the following cars:
