Here's the performance chart taken from the Performance Box (racelogic) that was in my car.
Red line is me, blue is a friends data using my car and me as pax. Total pax weight is about 210kgs. My friend is a very experience Porsche GT3 driver.
Fuel at 1/4.
Tyre pressure around 37 psi.
Track temp just under 20c.
As you can see, I have a long way to go yawnnnn
My friend is about 1 sec faster than me, on his first go!! ouich