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Nitrogen Tires?

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Old 20 Sep 2004, 02:03 pm
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Default Nitrogen Tires?

I've heard and seen ads for filling your tires with nitrogen. Has anyone else heard of this? What does it do for you performance-wise if anything at all?
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Old 20 Sep 2004, 02:22 pm
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I've never heard of that before, what benefit? Ummm[:I]

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Old 20 Sep 2004, 02:23 pm
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quote:Originally posted by CHROMEDCRUISER

I've heard and seen ads for filling your tires with nitrogen. Has anyone else heard of this? What does it do for you performance-wise if anything at all?
Performance-wise, zippo. The nitrogen supposedly does not leak out as readily as air.
Jay Leno in Popular Mechanics say he uses nitrogen in all his car tires (and he has lots...
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Old 20 Sep 2004, 03:27 pm
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I can't imagine any real performance gains doing this. Back in my bicycle racing days I remember some guys at the velodrome would do this, but bicycle racing tires are pumped up to around 150psi and the rider is the motor! I wouldn't bother.
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Old 20 Sep 2004, 04:59 pm
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I've heard that NASCAR uses Nitrogen in the the race tires. I "think" it has something to do with being predictable whereas air blows up the tire when hot but in varing degrees but Nitrogen is more of an exact cold pressure and blows the tire up when hot to an exact pressure and in racing they want the tire to be an exact pressure for the race.
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Old 20 Sep 2004, 05:38 pm
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F1 racers use it.

It must be a must for us!

I just tell anyone who asks that "PT" stands for "Plymouth's Tombstone"
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Old 20 Sep 2004, 06:35 pm
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I read it doesn't contract and expand like air does and doesn't contain any moisture in it. COSTCOS/SAM's Club sells their tires with nitrogen in them and will fill any tires with the same whether you bought them there or not. [:I]
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Old 20 Sep 2004, 07:53 pm
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I use nitrogen in my air suspension. I don't see what it will hurt in your tires.[8D]
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Old 20 Sep 2004, 10:26 pm
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Nitrogen has been used to fill tires in professional racing since Christ was a pup for the three reasons variously stated above. First, the nitrogen molecules are larger than oxygen molecules and therefore have less of a tendancy to migrate (leak) out through the sidewall of a given tire. This is less of a benefit to street tires than race tires due to the thicker sidewalls we have. Second, nitrogen expands less when heated than compressed air, which again benefits racers more than the rest of us. Third, compressed nitrogen from a commercial supplier (where else you gonna get it?) has to be dry because it comes from the same source that supplies medical and industrial users. No such luck for the compressed air at the average garage. For my money, find a shop with a good set of filter/driers on their compressor, and don't air up your tires anywhere else if you can help it.
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Old 21 Sep 2004, 01:16 am
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hi all

yes you are all correct. but the biggest beni. would be the dryness.

moisture inside a wheel & tire assy. will start wheel rust, and tire rot.
and more stable pressure is good for long highway speed drives,which keeps tire temps down for longer tire wear.

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