Mark,
I addressed this issue, the amount of water vapor in air in tires is
minimal, and I have taken off some really old tires used on both daily
drivers and stored collector cars and never found the rim or the tire to
have any deterioration. The steel rims used on older cars should be a
dead giveaway if the moisture is to contribute to any deterioration at
all, and every rim I have ever had on an old car was pristine on the
inside, even if the outside was totally rusty.
The moisture angle should be of zero concern on tires that are changed
every year or every few years, if it makes no difference on tires that
are 20+ years old!
Don Mallinson
mash4 wrote:
>I read through almost all the posts on this and the one thing no one seems
>to have mentioned is Nitrogen is dry. Shop air has water in it, hence the
>filters/water sumps bolted upstream from the manifolds. The only good reason
>that makes sense to me to use Nitrogen would be to keep water out of the
>inside of the tire which in theory would help stop the rubber from rotting
>from the inside out. Whether this is a real concern remains to be seen, but
>having worked with Nitrogen in the Aerospace industry the main reason it is
>used is due to its lack of moisture.
>
>Mark M.
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