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.

 -Charles

--
Charles Robinson - [email protected]
Minneapolis, MN
http://charles.robinsontwins.org
http://www.facebook.com/charles.robinson


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