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Geeez Malcolm, nitrogen in the tires in a B/P vintage car!!!! Yes, nitrogen
doesn't expand as much when heated as air does. Pro racers and serious SCCA=
guys have been doing this for quite a while. I just bought a well historied=
64 Corvette B/P roadster that I'll be running with HMSA CSRG and VARA...in B=
/P
against those Mustangs...looks like the level of competition will at least b=
e
interesting, but I think I'll just use good ol' air in the tyres.......
Ted
1966 912
1964 F.I.Corvette B/P
1983 944 PCA Club Racer
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Date: 17 Jun 97 19:10:57
From:"Malcolm Cox <malcox.ppp@napanet.net>" <vintage-race-owner@autox.team.net>
To:vintage-race@autox.team.net
Subject:Re:Nitrogen in tires
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Chatting with a Mustang tire service guy, busy sucking air out of lots
of Mustang tires with a shop vac, curiosity got the better of me.
Said he fitted a new set of tires each race day to each of the 5 vintage
Mustangs under his wing. After sucking the air out, he replaced it with
Nitrogen, because "using Nitrogen to inflate the tires, the tire
pressure increase whem hot was only 20% of tire pressure increase using
air"
Have some laws of physics been repealed?, or perhaps they don't work at
weekends at race tracks, or is there really something going on here?
Malcolm Cox Napa CA 1960 MGA
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