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Subject:  Re: Nitrogen in Tires Date:  12/11/2019  11:26 AM
Author:  aj485 Number:  5825 of 6576

Also, the ideal gas law, PV = nRT, is independent of whether it is N2 or O2. If T decreases, P decreases.

I don't disagree. But in my experience, the tire pressure sensors alerted more often when I had tires filled with air compared to my current nitrogen filled tires. So, whether it's the size of the molecules (and N2 does have more volume than O2) or the tires themselves, I'm happier with my nitrogen filled tires than I was with my air filled tires. And since I don't have to pay to fill my tires with nitrogen, and I got a better deal on the new tires at Costco (where they only use N2) than the other tire shops in my area, it's actually cheaper for me to use tires with N2.

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