Nitrogen in tires?

[Sled Dog]

Originally Posted by akumushi

Also, I may be off here, but don't your tires warm up considerably once you're driving? Even if the reading is off in the morning before you get started, I would think that you'd be good to by the time you hit the highway

You will gain maybe 2 - 3 psi if you drive for a bit, but that's the most I've noticed even in the summer.