August 4th, 2009 
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A well-liked joke in the 1960s at full service gas stations was’filler up with Ethel and change the air in my tires.’ Today with the price of petrol approaching $3.00 per gallon, why not replace the air in your tires. Not with air but with nitrogen. Filling your tires with nitrogen rather than air will improve gas mileage, help maintain correct tire pressure, keep tires 25% cooler, improve handling and performance and lengthens the life of your tires. NASCAR drivers use nitrogen in their tires for safety reasons, you can too.
Why should you stop putting air in your tires! Compressed air you find at tire shops, gas stations and the compressor you use at home have a high concentrations of water vapor. Compressing air concentrates the water in it and unless really efficient air dryers are used probabilities are there’s water vapors in your tires. Water vapor absorbs and holds heat. This wet air plus heat can increase the pressure in your tires, causing road blow outs, and is one of the explanation why you should check your tire pressure when they’re cold.
This article isn’t about the nitrogen. It’s really about reducing oxygen and water vapor in your tires. The air in our tires is made of 78% nitrogen, 21% oxygen and about 1 percent water vapor and other gases. When pure dry nitrogen is used to replace the air in your tires it improves fuel potency, handling and it will extend the life of steel edges or custom wheels and tires. By reducing oxygen and water vapor in your tires from 22% to less than 7%, your tires will maintain pressure 3 to four times longer. Plus it’ll keep you safer on the road.
How does oxygen and water damage my edges and tires? Oxygen, especially at high temperatures and pressures, corrodes aluminum, steel wheels and rubber. This process is named oxidation. When oxidization occurs small particles of rust and aluminum oxidation in your steel or aluminum wheels can clog valve stems, causing them to leak. The oxidization can cause the surfaces of your wheel flange and tire beads not to seal properly causing another leak point.
Oxygen can also age the thin layer of rubber called the inner liner or radial ply. As the inner liner ages, more air migrates through the rubber, causing extra pressure losses. As oxygen migrates through rubber it can come in contact with steel belts and the steel bead forcing them to rust.
While both nitrogen and oxygen can migrate thru rubber, nitrogen does it much slower. It’d take half a year to lose 2 pounds of nitrogen, compared to less than a month with wet compressed air. Dry nitrogen does not cause rust and corrosion on steel rims or aluminum custom wheels, and it does not degrade rubber like wet compressed air.
Where can I get nitrogen for my tires? Nitrogen is becoming very popular with long haul trucking. Some truck stops have nitrogen available for these big rigs either free or by paying a little fee. They use the same type pay stations that you see at gas stations except they are marked’Nitrogen’. These nitrogen stations are then connected to enormous nitrogen cylinders near by.
you can also get your own little cheap Nitrogen Tanks and have them filled at welding supply stores in your area. Another source for little nitrogen tanks is Paint Ball supply stores either local or on the internet. EBay is an excellent source. These small nitrogen tanks can be filled at welding supply stores and then simply plumbed to fill your tires. Be careful when handling these little nitrogen tanks as they can be filled to as much as 3k psi. Also ensure the nitrogen tank you buy has a regulator attached and it is set for about fifty psi.
Filling your own new tires with nitrogen is a simple process. Jack up one tire till it just clears the ground, remove the tire valve stem and permit the air in your tires to escape. Once all of the air escapes install a new valve stem. Then simply fill your tires with nitrogen from your small nitrogen tank. Repeat the process with the other 3 tires. Do not forget your spare! Your tires should now have about 95% dry nitrogen and you have significantly reduced all the dangers and oxidation Problems discussed above.
If you own a tire store and want to provide nitrogen for your customers buy an Ingersoll Rand Nitrogen Tire Inflation System.
Ingersoll Rand Air Compressor Nitrogen For Your Tires!
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Watch the video related to welding supply
Help answer the question about welding supply
How long will small bottle oxy acetylene torch last?Thinking of getting a oxy acetylene torch kit with the small bottle's. Like the ones you see in home improvement stores. How much metal can you cut with this set-up? Don't want to rent the big bottle's from the welding supply shop.
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together we exist together we suffer and forever we will recreate each other…. i witnessed a very magical moment just now…. thank you.
Paris Lo in las vegas
That’s amazing! It always seem easier to draw on the computer then on paper. Really now, to color like that makes me curious, though everyone’s style of art is different.
HOLY CRAP! Comparing this to the original picture, they’re identical!
Wrenchman has it right. The amount of difference is unmeasurable and in fact the nitrogen could result in LOWER gas mileage. Nitrogen does not expand with heat as much as plain air (70% nitrogen). Car tire have a recommended COLD inflation pressure which takes into account the increase in pressure as the tires warm up. If you use pure nitrogen the increase would be less and the result would be that the tires would be under inflated hot.
However, there is no way to get pure nitrogen into the tire unless you do it in a laboratory. The machines sold to tire dealers will only yield about 95% pure nitrogen. Now it is also impossible to get all the air out of the tire before inflating with the nitrogen, so the bottom line…..it's a waste of money and yields no benefit.
Save you money, put in free air!
Buy yourself a 7-dollar tire gauge, and when you fill up, make a pit-stop over at the air hose. It'll take you all of 5 minutes to take care of your tires, save you possibly 100's of dollars a year in fuel, and no, you don't need nitrogen. The atmosphere already contains a lot of nitrogen, taking up that last few percent is BS…
Interested in a bridge?;) LOL
it’s almost like a photo
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Fill your tires with pure nitrogen and you'll get better gas mileage, advocates of the practice say. Your tires will be safer, and they'll last longer.
A colorless, odorless, tasteless gas that makes up about 78 percent of the Earth's atmosphere, nitrogen could cost you as much as $10 a tire. But what you save on gas, tire replacement and peace of mind will make up the difference, according to the pitch.
Already, retailers like Costco and Olin Mott stores offer nitrogen, and Pep Boys has test-marketed it.
Considering that air is approximately 78% Nitrogen, it shouldn't be a problem to add air into tires that are currently filled with Nitrogen.
The typical reason you don't want to simply use air is because of the introduction of water vapor/moisture, but it should be fine to add air into the tires.
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Real easy! The dealer where you purchased it most likely has the machine which pulls the nitrogen from everyday air. Costco and Sams, and Discount Tire also use nitrogen. The advantage with nitrogen, is that nitrogen is less sensitive to air temperature changes, thus, you are more likely to maintain proper air pressure, and save on extra wear of your tires. Do not pay extra for nitrogen, if you check your air pressure on a regular basis, regular air will work, nitrogen just makes it easier. Regular air is 78% nitrogen, so you can mix the two, no big deal. Just maintain your air pressure and all will be good. Plano has Costco, Sams, and Discount Tire.
no it don't make your car lighter.Mythbusters proved nitrogen does nothing for your car to make it lighter.
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I've used nitrogen inflation in racing car tires for a long time. The advantage that I have personally observed is nitrogen has a more predictable change in pressure as temperature increases. This is because you do not have the unknown factor of the amount of moisture in the compressed air. This is important because you are looking for an optimal "hot" pressure and you start off the race with a "cold" tire. To contradict what someone else said, all gases change pressure as temperature changes. Nitrogen will not have a constant pressure over a temperature range, just be more predictable.
For road cars the only real advantage that I see is that you do not have any oxygen or water inside the tire. This might prolong the life of the internal structure of the tire by preventing corrosion, or it might not. I don't think it would make a difference over a few years. I do inflate my trailer tires with nitrogen, because I never use my trailers enough to wear the tread off the tire before they fail from tread separation, dry rot, or cords slipping.
For a couple hundred bucks or less you can have your very own nitrogen setup for refilling your tires.
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The biggest winner is the Car dealership who sells and services your tires. Otherwise it is an Urban Myth that Nitrogen will do anything that regular compressed air has been doing for the last 100 years. And I like many of the answers below. Let us know if Nitrogen is right for your tires But unless you evaculate the tire to 30 inches of vacuum before filling all that space inside the tire will still be filled with oxygen.
Dually is correct. Also remember from Science class? regular air is 79% nitrogen already! IF the shop you buy your tires from drains the water from their compressor tank regularly LIKE THEY ARE SUPPOSED TO DO…you will have no problems with water rusting your rims. This is a gimmick that they thought up to get another $40 bucks out of people when they sell them tires! It is ABSOLUTELY NOT necessary and is a waste of money!
Put ordinary air into your tires just like we have been doing for 100 years. Check the pressure in them monthly just like you always do and you will have no problems.
By the way…Dont buy 'Road Hazard' insurance either. It also is a rip-off.
Also, make them put new Valve Stems in for FREE when you buy tires. They only cost 20 cents a piece but they usually try to charge 6-8 bucks for them. Mounting and balancing should be free as well when you buy tires. Alot of private shops do this… So insist on it wherever you shop! Good Luck!