Originally Posted by Stogey
Could be that your guage is out of calibration, not unusual for even a new guage out of the package, they are not a precise instrument. Try raising the pressure to 35psi cold pressure and see what happens. This is what I run in my F1's all the way round.

I have F1s as well, though the fronts are 18, the rears 19. Can I still have them all at the same pressure (35)?
Sorry if this is a 'duh' question; newbie here.