I might be stretching the limits of the FFB I admit. I have tyre force and force feedback both at 100 ala Jack Spades. When I put it lower, it feels relatively lifeless and harder to interpret the car however.
I don't like Jack Spade's ffb settings. I know, I must be in a serious minority there lol, but the in-car ffb settings he uses all feel pretty lifeless to me. I read up on the official forum about what every setting actually does (forget which thread sorry), and took the time to set it up myself.
When setting a car up for the first time, I'll tweak the settings so that the ffb will be strong, but not clipping. I usually have the lateral ffb set quite low, depending on how much weight the wheel has in it, as each car is different. I will always have the vertical a little higher than the longitudinal, and the twisting force higher than the vertical. I find this gives me a good feel for bumps, but also for when the front wheels start losing grip, which is handy for feeling lock ups and understeer. I set the SoP lateral the same as front lateral, and vertical a bit less than front vertical.
I might get a little clipping at extreme ffb signals, like on the limit of grip through a long, fast corner, where the wheel is loaded up to the max, if I get rammed hard, the ffb spike will prob hit the top a little. Hard steering by itself should never get the ffb line right to the top (or bottom) of the graph though, as it needs room to feel kerbs and such on corner exit.
Like I said, I use a CSR, and the motor on one of those is far weaker than that of a T300, but I can get strong and detailed ffb without clipping, and I can run 2 hour endurance races without giving the wheel a rest, and don't feel any fading from the motor at all. It is also getting closer to summer in Aus, so temps are getting pretty warm, and still I get no sign of trouble from heat in the wheel. The CSR does have massive cooling vents though, and I've heard that the T300 could do with better cooling, even though the brushless motor should require much less cooling than the brushed types.