Cold vs. hot tire pressure
Now having dashboard readout of individual tire pressure has made me aware of quite a difference between cold and hot. Carrying a heavy camper, I have Nitto Dura Grapplers 285/75-17 and run 70 psi ...
Forum Discussion
sleepy wrote:
I follow the tire mfg's recommendation... and fill the tire to the max on the sidewall of the tire... the tire has less rolling resistance at 80psi than at 65 psi.. that translates into better MPG at 80 psi
If you are not carrying a sufficient load to require the maximum sidewall pressure, then you don't need to inflate the tires to that pressure.
True the tire may have less rolling resistance, but it also will have abnormal wear. More important, safety wise, it will have less braking and traction ability as it is over inflated.
ryoung
