PV=nRT applies to air as predictably as it applies to nitrogen. No
advantage to N2 in this regard.
Can't really see an advantage in any regard, esp. not for race cars.
--
------
Mr. P.V.'d (formerly Droll Troll), Yonkers, NY

Stop Corruption in Congress & Send the Ultimate Message:
Absolutely Vote, but NOT for a Democrat or a Republican.
Ending Corruption in Congress is the *Single Best Way*
to Materially Improve Your Family's Life.
The Solution is so simple--and inexpensive!

entropic3.14decay at optonline2.718 dot net; remove pi and e to reply--ie,
all d'numbuhs

"Karl S" wrote in message
. ..
On Mon, 25 Jun 2007 19:48:28 GMT, Edwin Pawlowski wrote:

I know you said it in jest, but a lot of people are being sold on
nitrogen
in their tires. Stations are getting $5 a tire. They use nitrogen in
race
cars

They use nitrogen in race tires because they know exactly how much it will
expand as the tire heats up.