Abbrivations:
RBxxDETT stands for:
RB = Race Breed.
xx = Engine capacity to the nearest litre. 20, 25, 26 and 28 are used.
D = Dual overhead cam.
E = Fuel injected.
TT = Twin Turbo.
| Displacement |
2568 cc / 156.70 cu in. |
| Combustion chamber |
Pent roof type |
| Valve arrangement |
DOHC belt drive |
| Bore x Stroke |
3.386 in x 2.902 in |
| Compression ratio |
8.5 |
| Compression pressure |
171 psi /300 rpm |
| Dimensions (L x H x W) |
34.25 x 26.18 x 26.57 in |
| Idle Speed |
950 rpm |
| Ignition timing |
20 deg BTDC / 950 rpm |
| Engine oil |
7.5W - 30 or similar |
| Oil Pan Capacity |
4.5 liter , 4 imp qt |
| Oil filter capacity |
Approx.0.4 L , 3/8 imp qt |
| Total engine coolant capacity |
Approx. 9.0 L , 7 7/8 imp qt |
The RB26 engine can be found in the R32, 33 and R34 GTR Skylines. There is also a non turbo version of the RB26 found in some very rare R32 GTR's. I would assume they made the non turbo version so that the GTR Skyline could enter NA racing events.