Nitrogen in tires

[FAH-Q]

Is it better to use nitrogen in tires instead of air?? I seen people doing this more and more??

[hornet24b]

Nitrogen does not expand with heat
unlike air

[FAH-Q]

how do u feel about bleeders in the wheels?? i think my rr builds alot of air then the car goes away?

[48bad]

First off air is about 78% nitrogen and about 21 % oxygen with the rest being argon and CO2(roughly) The reason air expands is largely due to moisture. If you use a dryer on your compressor and use dry air, you will not see much difference in air and nitrogen. Also when you mount the tire be sure to not get any bead lube(moisture) in the tire which would add to the expansion problem. We ran bleeder valves on an asphalt car and found them to be trouble(inconsistent). The valve will stick with any debris in it . They need to be cleaned weekly and we found them to be more trouble than worth.