Originally Posted by rexva
This probably sounds very stupid, but bear with me...
I take the pressure "cold", say in the morning, and it's low.
So I drive to the gas station to use the air machine... now they are warm. So how do I know what pressure is right?
When you get to the gas station put 5psi over the recommended pressure. Check them the next morning. If its too much take some out. If its still low go back to the gas station and add some more.