Quote:
Originally Posted by Code80
I have been thinking about getting my 5th wheel tires filled with nitrogen. Nitrogen is not effected by temperature. One place wanted $15.00 per tire and that seemed reasonable.
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The deal with Nitrogen, if you took high school chemistry, is that the molecule is larger than o2 and therefore will hold pressure in tires longer. Tires are porous and over time loose pressure from o2 escaping through the walls of the tire. Nitrogen is also less affected by heat causing increased pressure, though pressure will increase with heat, but not as much as O2, thus tires will run cooler. Nitrogen is also less affected by altitude. This is one reason all aircraft tires are nitrogen filled. If you cannot find nitrogen to top off your tire pressure, just use regular air, you will be fine. My local Cosco uses nitrogen and fills my tires for free. $15 for nitrogen filled tires is definitely NOT wort it in my view, but that is your call. Thats the basics for nitrogen filled tires.