07-18-2005, 01:02 PM
There is no universal rule as far I know... it really depends on the vehicle type. My car is frequently between 60-85psi while I'm at speed...
05 S/C "Elixige"
07 Mazda 3S - commuter car
99 YZF-600R - commuter bike
07 Mazda 3S - commuter car
99 YZF-600R - commuter bike
