I've always felt that having a bit too MUCH steering is better than not having enough. Just dial it out with your steering input rather than with the radio.

My end-points rarely exceed 60% and I always have MORE steering than I actually need. I just don't go "full-lock" on the steering wheel. That way if the car happens to lose a little steering towards the end of the run, it feels natural to give it a bit more wheel. Never really seems to affect my concentration, or laptimes. Of course, if it does start to push a bit before the end of the 8, I start looking at my set-up to fix it.