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Date:         Thu, 20 Sep 2007 12:46:32 -0300
Reply-To:     David Etter <detter@MAIL.AURACOM.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Etter <detter@MAIL.AURACOM.COM>
Subject:      Re: Michelin Agilis Tires
In-Reply-To:  <c06.2331a604.3423b367@aol.com>
Content-type: text/plain; charset=us-ascii; format=flowed

From what I've read, two reasons suggest that Nitrogen is better than straight AIR. The tire/wheel unit is not impermeable, some air leaks out regardless of attempts to keep it sealed and the Nitrogen molecule is larger (less likely to squeeze through any pore) and also inert in reaction to the rubber and steel. This brings into play the moisture content of regular air. With increasing temperatures the water moisture in the air expands, changing internal pressures as well as creating reactive agents that may or may not cause corrosion or rubber deterioration. Nitrogen is 'DRY' and thus avoids both problems. M2CW David (dsl82westy) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

>In a message dated 20/09/2007 6:15:56 A.M. Eastern Standard Time, >WHalsey@sya.org writes: > >Why nitrogen? I have never heard of that. > > > >Because that's what COSTCO is doing. The pamphlet I got from COSTCO says: >Nitrogen helps stabilize a tire's inflation pressure. > >Cheers, > >Frank Condelli >Almonte, Ontario, Canada >'87 Westy & Lionel Trains (_Collection for sale_ >(http://members.aol.com/Fkc43/trainsal.htm) ) >_Frank Condelli & Associates_ (http://members.aol.com/Fkc43/busindex.html) >- Vanagon/Vanagon Westfalia Service in the Ottawa Valley >_Vanagon Stainless Steel Exhaust Systems_ >(http://members.aol.com/Fkc43/stebro.htm) >_BusFusion_ (http://members.aol.com/BusFusion/bfhome.htm) a VW Camper >camping event, Almonte, ON, June 07 ~ 10, 2007


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