In recent times seems more likely that responses to these types of questions get addressed on discord. Just 2 word responses here don't shine any light in what is actually going on. Tyre discussions have gone on for ever and always end up with discord (pun intended)
I know this thread is old but the weird FFB in this car is caused by torque steer. Also don't know if you guys know but Medium compound has CPM v2 tires (with QSA point base acceleration fix)