prob about 2 psi maybe 3 less then they should be, just try different pressures and see how it feels think i dropped them about 5 or 6 psi for the track and you'll not going to get nowhere near as much temperature in them on the road unless you know a road with no cars (tell me!!!!), i have to ask where will you be going that fast in this weather, it'll only end in tears:bawling