Is using Nitrogen a bunch of hot air

ZKindaGuy

I guess many of these folks have forgotten how air has sufficed for inflating tires for over a 100 years now. And to anyone thinking that use of nitrogen will save folks from having to make weekly trips to the air pump for tire pressure checks....I challenge everyone here in all truthfulness how many folks actually make religiously regular weekly checks of their tires other than a quick glance at them when getting into the car to see if any "look" low or who just plain waits until the indicators trip???

Nitrogen is a sham...and at $40 for all four to be filled up its just another way the vendors look to mind-f*ck the patrons by taking advantage of their youthful naivity knowing these folks haven't been around the railroad tracks enough yet to know a scam when they see or hear one.

As I stated before on many posting occassions:

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6spd

great pic

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kannibul

Decreases rolling resistance...lol...

JUst like everything in JC Whitney adds 5HP and 10% better MPG.

kevr6

I use it. We have a Nitrogen machine at the dealership I work at. I thought it to be bull before I started using it. My Audi TT I had was the first car I tried it on and the first thing I noticed was the ride was slightly improved (Low profile tires). Then my TPMS warning stopped coming on due to ambient temp changes!!(happened monthly before) General pressures did not fluctuate as much. We charge $39.95 one time then free refills!
Now my wife's and my Z have it. Not going back!!
If you think it's to much money to have the service you shouldn't be in this hobby!
I think we are priced higher then those tire chains also!
Also: For those who call it a scam...why does Nascar and F1 use it?? I guess those engineers are inferior to your wisdom!

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dad

At the price of having tires put on, it should be no charge if you wanted the nitrogen!

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We can do without any article of luxury we have never had; but once obtained, it is not in human nature to surrender it voluntary.

4r3s

I only do 78% nitorogen

kevr6

I think we are set at 95% or so!!

I agree! We do that with tire purchases!!

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Juleous

This made me laugh, not sure if anyone else got the joke?

dad

The rear nitrogen tires have maintained the same pressure. Checked today, refer to post46.

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We can do without any article of luxury we have never had; but once obtained, it is not in human nature to surrender it voluntary.

fullmonty

Hahahaha ya I did

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6spd

No, no, no, none of these reasons are why nitrogen is used. The real reason, although hidden from the public, is much more reasonable than these stupid performance claims. Nitrogen is used because of the new TPM systems used in new cars. These units are made of metal. Regular air contains a slight amount of water vapor, and more is created with the heating of the tire. This water eventually corrodes the sensor units and contributes to their failing, ala the reason so many cars all of a sudden develop TPMS problems. Nitrogen doesnt contain any water vapor and therefore cannot corrode the sensors over time. It is used as a convenient cover up for manufacturers botched TPMS sensor quality. New units are being made of plastic, so nitrogen may see its way into extinction. You won't find this info anywhere or hear it from any dealer, only technician magazines, etc. Just an FYI, so spread the word, more people need to know of this scam and demand better manufacturer quality, not costly cover ups.

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XwChriswX

I thought it was because Nitrogen molecules are larger than 'air' molecules (Yes I understand Nitrogen accounts for 78% of 'air' but since were talking about it). So that it takes less Nitrogen to fill your tire than compressed air, but that at the same time, it also fills your tires more effectively for even tire wear?

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ChrisSlicks

Oxygen molecules are only roughly 3% smaller than Nitrogen molecules. The gases in their elementary form also expand and contract at the same rate which partially debunks the pressure change with temperature claim. I say partially because they will pick up some stability by using purified Nitrogen as it will be free of water vapor. You could essentially use any purified gas as a fill just Nitrogen happens to be the most plentiful and hence the cheapest. I should fill mine with Nitrous Oxide and sell people "hits" of my tires.

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370Zsteve

Oxygen also oxidizes the sensors. I do know that nitrogen is used in airplane tires.

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ChrisSlicks

Probably they use it to prevent the water vapor from freezing inside the tire, would create a horrible imbalance on landing.

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