What you are overlooking is their is no one perfect setup. Just like their is no "Best Motor" or "Best Servo"
All tracks are different and you setup a car to handle best on the specific track.
Good rule is, start with a stock setup and go from there.
You have many ways to find the answers
- Ask this same question at your local track. Even then you will get different opinions
- Learn what each setting does and slowly dial it in.
- Download setup sheets and playaround.