Thanks for the advice.
Rear is BT090 and front is Alpha 10. The tyres felt very well, I think I kept increasing my pace throughout the day and ended it with a lot of confidence.
In my previous track day I ground the the front tyre sides but rear was almost untouched (50ish hp plus 65 kg for me). For this time I set pressures at 2.25 on both tyres when cold, and once at the track I decreased 0.2-0.3 bars on the front. The rear was left as it was due to the previous experience. Again, the feeling was very good, I did not notice slipping at all on either wheel.
My lap times are slow, but I think it is due to not being aggressive on the fast portions of the track. You can loose a lot of time there. However, once inside turns I could keep up with some of the other bikes. That, combined with my inability to hang off the bike is my explanation for the wear of the tyres to the limit.
Neal, wrt temperature I have to tell you that the day was hot, around 30ºC. Will that affect pressure settings?
Dave, my concern is that I was very confident on those tyres and I don't know if the tyres in such a state will let go suddenly. Or, I keep getting more and more confident until I hit the wall. Lap times are secondary to me (for the moment).
Are the remaining groove depth a good indication of tyre wear on the track as on the street?
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