tyres..

hi every1..
im going to sprint race, this weekend.. with my 1jz soarer.. i just got brand new toyo tyres.. (proxes R888 .. 205/55/16 90w)

i would like to know.. how to get the max performance out of them.. eg: what psi should they bo filled with ?
btw the track we r going to race on is small and short.. its just 2 laps.. and each lap average time is around 1 min..

plz reply ASAP