Originally Posted by stlwagon
Well, military aircraft use nitrogen in most tires. Nitrogen molecules are larger than air and escape less rapidly and it is also less susceptible to expansion and contraction. Nitrogen is also lighter than air and people have reported better gas mileage. It isn't cheap. Can cost a few dollars per tire to fill.
Nitrogen is not lighter than 'air' and the molecules are not larger....check your periodic charts. The only benefit of using Nitrogen is that it doesn't absorb water and therefor will have a more predictable increase in tire pressure as it heats up. Possibly there could be slightly less oxidation on the inside of the tire but since the atmosphere already is ~78% Nitrogen, I really doubt that would show any benefit.
-Chip in SC
'07 Vista Blue Mustang GT Premium
(T82), 5spd-mt (44K), 3.55 rear axle (455), dk.charcoal int (KW), Interior Upgrade Package/Satin trim (18G/67L), Premier Trim Pkg (68B), Comfort Group (53B), Side Airbags (43A), 18"fanblades (64E), Wheel Locks (17L)
1998 Mustang GT
1990 Mustang LX vert
1989 Mustang GT
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