The overall strength is your own choice, altho, I really don't see the harm in having it set to 100%.
The only thing I would really advice is to have the damper set to 100%. This is because then you can set in-game how much damper you want. If you don't like dampening (altho a little bit will also help oscillation) you just put it to 0 in game, and you will have no dampening effect. But on the wheel panel, I advise to have it to 100%, so that then in game you can adjust as you like.