The T300rs settings were odd for me too. I've had my wheel for about 2 weeks now and I've been playing around with the two settings. I now have torque at 7 and sensitivity at 2. When I had torque at 10 and sensitivity on 3 or 4 the wheel would die on me completely and I had to restart everything. So I turned down torque and it hasn't died on me again.
Just "drive" is the best advice I can give. You'll get used to it. FYI, I'm still a lot slower than I was with the controller