Hey Dario!
Long time. Hope you are keeping well. Nice to see you back in a Z and its great to see someone taking measurements like this. I would recommend some in gear runs though as it takes launches and traction out of the equation. 60-130 is the standard now. Lots of data out there so you can compare to other cars. I understand this is difficult to without a airstrip or risk of losing your licence!
We have a P-Box and even matching stock press car 0-60 times is a struggle if you don't want to ruin the car.