If oxygen did leak out of tires faster than nitrogen, there would be more nitrogen left inside tire when air was added again, so over time the concentration of nitrogen would go up normally anyway. Besides, if Iím already getting close to 100,000 miles from tires, how much can pure nitrogen help? Is nitrogen going to make my tires last over 10 years? Not sure it buys me anything even if claims are true.
Originally Posted by Beau388
The reason nitrogen (N) is used in tires is because it is dry (no water vapor). .......cut......
So dry air is just a good as dry nitrogen for most tires.
Yeah. Moisture is my only real concern, particularly is humid weather ďandĒ when a portable compressor is used connected directly to tire.
With larger compressors itís not unusual to get water in tanks that has to be drained, and even then air should go through a dryer. With portable compressors the hot humid compressed air goes directly into tires, and when air cools inside tire condensation can form.