Lets make this constructive and benefit to all owners. Lots of questions and doubts over what is cost and how to maintain a Skyline (GTR, GTT, GTS, hybrid GTT-R, GTS-R, etc..) Here's a breakdown. How often shall i change my Engine Oil? What Engine Oil? How often shall i change my Gear Box (Transmission) Oil? What Gear Box Oil? What Transfer Case Oil? Front Diff Oil? Back Diff Oil ? How Often to change Brake Fluid and what type to use? What Brake Pads? Power Steering Oil? HICAS (4 wheel steering) Oil? What to use? let's discuss.