Nissan Skyline R33 unveiled in 95′s era. Comes with good traits of it’s precusor, equipped with DOHC 6 cylinders and Electrically controlled gasoline injection device but have longer and wider body. By the way here is a manual of engine for Nissan Skyline R33 especially applies for RB20E, RB25DE, RB25DET & RB26DETT engine type.
The engine manuals of nissan here consist of approx. 491 pages with 11 main subs, there are instructions how using the manuals, symbols that makes it easier to read, general precautions, tightening the torque of standard bolts etc.
Here you might go to the Engine Manual for Nissan Skyline R33