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Old 11-19-2008, 06:02 PM   #1
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Air vs Nitrogen

Does anybody know the advantages of filling the tires w/nitrogen? recently I intalled the Eibach pro kit and took the car for alignment, I was asked if I wanted to fill the tires w nitrogen $5 per tire w lifetime refills (lifetime of the tires, which are brand new).


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Old 11-19-2008, 06:16 PM   #2
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the idea of nitrogen is apealing, but its not a good idea. nitrogen when contaminated can corode and eat away at the metal on the rim. and once you open up ur valvestem to check tire pressure, the nitrogen gets contaminated.
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Old 11-19-2008, 06:19 PM   #3
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It's really a rip. The tires will be worn out way before the normal atmosphere dry-rots the rubber. Plus they're exposed to air everyday, and take a larger beating from roadways and debris.
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Old 11-19-2008, 06:20 PM   #4
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nitrogen from my understanding doesn't heat up as fast as oxygen does, when it does heat up it heats up more uniformly around the inside of the tire. Also Oxygen breaks down rubber so have only nitrogen can potentionally prolong the life of your tire from the inside. If I were you talk to the guys at the tire shop about it. they would give you more through information and also might show displays to better explain how it works.

In my opinion nitrogen is a good if you autocross or do track days but for a daily driver it isn't going to make much difference at all.

Where I personally fill my tires with Hydrogen because it makes my car float and makes driving quite explosive.
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Old 11-19-2008, 06:32 PM   #5
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Quote:
Originally Posted by Nye View Post
nitrogen from my understanding doesn't heat up as fast as oxygen does, when it does heat up it heats up more uniformly around the inside of the tire. Also Oxygen breaks down rubber so have only nitrogen can potentionally prolong the life of your tire from the inside. If I were you talk to the guys at the tire shop about it. they would give you more through information and also might show displays to better explain how it works.

In my opinion nitrogen is a good if you autocross or do track days but for a daily driver it isn't going to make much difference at all.

Where I personally fill my tires with Hydrogen because it makes my car float and makes driving quite explosive.
this statement is TRUE, but the amount of time you will have the tire, the tread on the tire will wear out long before it dry rots. and if you do lose pressure you need to fill it back up with nitrogen, and thats not very convient to drive back to the shop during business hours to do so, especially when your susposted to check them monthly.

its all matter of opinion, there are advantages as stated above, but in most cases its not practical. and the bennifits wont be seen especially for $5/tire
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Old 11-19-2008, 06:33 PM   #6
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The Earth's atmosphere is 78% nitrogen. The oxygen and water vapor content of the air is not at a high enough level to justify paying for nitrogen in your tires to prevent dry-rot and the breakdown of the chemical compounds in the tire. Trust me, I work with this stuff everyday at work and it will only make your wallet lighter.
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Old 11-19-2008, 06:55 PM   #7
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Quote:
Originally Posted by Nye View Post
I personally fill my tires with Hydrogen because it makes my car float and makes driving quite explosive.


youre getting a good deal, would have cost me $14 a tire for my bike with no lifetime refills. Wouldn't get it though, the tires are gonna wear out faster than theyd corrode, like the other guys said.
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Old 11-19-2008, 07:00 PM   #8
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I dont think its worth it, I dont see any advantage, it definatly heats up as uniformily as regular air inside a tire. I know it may not dry rot the tire, but come on the only tires I have seen dry rotted are 15-16 years old, which by that time you should have already replaced them. I heard of someone saying that it gives you a smoother ride too, but I cant see why it would, I kind of think this is one of those things like putting acetone in your gasoline will increase gas mileage 200%.
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Old 11-19-2008, 08:23 PM   #9
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This was really nothing more than a marketing gimmick which I believe is now dying away. Yes, nitrogen has bigger molecules which supposedly won't seep through the tire carcass as quickly as air, but as you should be checking tire pressure regularly anyway......is it worth the money? There was also a company or companies producing/marketing a shop "Nitrogen Generator" that some auto repair companies (Canadian Tire here was one) etc. rented/leased, including the airline that I worked for, but after a relatively short time it went back to the good old HP N2 bottles. The idea I suspect did come from the military/aviation/airline industry where dry nitrogen (inert and free of moisture and contaminants) is used for tire inflation to primarily help prevent corrosion of the aluminum alloy wheels and contamination of the tire carcass. Large aircraft wheels and tires are worth big bucks and the wheels are inspected/checked or "overhauled" when the wheel/tire assemblies come in the shop for a "tire change". Some tires can be recapped several times if the basic tire carcass is OK.
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Old 11-20-2008, 04:26 AM   #10
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If you want to go nitrogen, get a tank, and find a place that has a pump available to the public. It'll be like regular air tire filling machine, but instead of $0.25-$1 per however many minutes that is, it's more like $1-$3. Fill tires and your tank, so you can make adjustments monthly as well as at the track or autocross.
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