I think it'd be worth some time to develop an actual test protocol. The goal is to validate number of sessions before grip degradation. That to me would best be done by having a pair of highly consistent drivers doing back to back runs on brand new unshaved tires, brand new 2/32s tires, and something like 8 and 12 heat cycle tires that started life unshaved. Obviously the driver should not be allowed to know which set they are driving on.


We used a back to back in one session test like that to validate the grip impact of 225s back in the day when we were trying to figure out how to slow down the S197s.