From: Charles Robinson
On Mar 7, 2010, at 17:46, Ken Waller wrote:
And tires filled with Nitrogen are less subject to pressure
variations due to temperature changes.
Even if you fill your tires with "plain old air" that's still 78%
nitrogen. Does the switch to "pure" nitrogen really make that much
of a difference? Serious question - I don't know the answer.
The "theory" is that the rubber in tires is permeable to oxygen, but not
to nitrogen, or not as permeable anyway. If you fill the tire with
nitrogen, there's no oxygen to leak out.
I have a very limited sample size on which to base a judgment, but after
one year's experience with nitro-fill in the tires, it appears to work
at least as far as the tires not bleeding down.
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