IF you can get your self a copy of a gregorys manual (R31 skyline) this can help you learn basic termonaligy, parts of the car, and basic diagnosis.
Thier is also a haynes performance manual, basicly cover a range of topics from engine dress up, what tuner and ecu to use, the diffrence between turbo, n/a, supercharged. basic handerling. can be got from most auto shops.