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Old 10-13-2013, 07:50 PM   #1
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Nitrogen in tires

Anyone running tires with nitrogen? If so why, why not?
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Old 10-13-2013, 07:54 PM   #2
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Considering that air is 79% Nitrogen to start with, I cannot think of any benefit of going to 100% Nitrogen.
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Old 10-13-2013, 07:56 PM   #3
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Quote:
Originally Posted by PapaBobby View Post
Anyone running tires with nitrogen? If so why, why not?

It has some benefits. But; unhandy when you need to top off a couple MH tires.
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Old 10-13-2013, 07:57 PM   #4
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Covered in many threads.

The concensus is mostly negative

Nitrogen in Tires?
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Old 10-13-2013, 08:11 PM   #5
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Here's what Continental says about Nitrogen:
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Introduction & Purpose

Nitrogen is being offered as an alternative to air for tire inflation. The purpose of this bulletin is to provide general information about inflating tires with nitrogen.

Tires are designed and built to provide many miles of excellent service but must be maintained properly. The key element of proper tire maintenance is maintaining the recommended tire inflation pressure. The proper tire inflation pressure is recommended by the vehicle manufacturer and can be found on the vehicle’s tire placard or in the vehicle owner’s manual. Continental Tire recommends that the consumer check his/her tire inflation pressure at regular intervals of at least once per month and before every long trip or twice per month depending on local regulations, customs, or conditions.

Using Nitrogen in Tires

Nitrogen is an inert (non-flammable) gas – basically, nothing more than dry air with oxygen removed. For example, ambient air contains about 78% nitrogen. Because of nitrogen’s inert properties, it is often used in highly specialized tire service applications and/or demanding environments. These tire service applications usually include aircraft, mining, and commercial/heavy use. Also, nitrogen is used in professional motor racing involving extreme vehicle speeds. We understand that dry nitrogen is used in this regard to help reduce tire pressure variations where even small differences in pressure can affect vehicle handling at the extreme limits of performance.

For normal everyday consumer tire service applications, nitrogen tire inflation is not required. However, nitrogen tire inflation does not harm tires and may marginally contribute to reductions in tire inflation loss by permeation. Nevertheless, nitrogen will not prevent any tire inflation loss caused by punctures, tire/rim interface (bead) leaks, valve leaks, valve/rim interface leaks, wheel leaks, and other mechanical leaks. Again, the use of nitrogen alone does not substitute for the importance of regularly checking tire inflation pressure. If the tire inflation pressure is below the pressure specified on the vehicle placard, the tire must be re-inflated – whether with air or nitrogen – to the proper inflation pressure. Do not operate tires underinflated and/or overloaded (see “Warning”). Whether inflated with air or nitrogen, regular tire inflation pressure maintenance remains critical and necessary. Use of nitrogen alone is not a replacement for regular tire inflation pressure maintenance.

WARNING [!] Underinflation and/or overloading tires will create excessive stresses and heat build up that can lead to tire disablement, such as by a tread-belt separation and/or detachment, causing serious injury or death.
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Old 10-13-2013, 08:22 PM   #6
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The tire shops filled mine with nitrogen when new, I wouldn't pay extra for it. When needed, I top off with "regular" air.
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Old 10-13-2013, 08:25 PM   #7
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Snake oil IMHO, designed to separate your money from your wallet. No substitute for proper tire maintenance, and I bet you'll still be replacing your tires at the 7-10 year mark, regardless. I'll stick with plain ol' air and visual inspection.
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Old 10-13-2013, 11:07 PM   #8
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Based on my Boeing research, you only NEED nitrogen if your RV can accelerate to 150 mph in two miles with a dragging brake and then you retract the wheels into a closed box and climb to 15,000 feet. Otherwise, save your money.
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Old 10-13-2013, 11:35 PM   #9
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Question answered...
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Old 10-13-2013, 11:51 PM   #10
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If my DS said "Boeing" on the nose, I'd put nitrogen in the tires. Until then, ambient air will work fine.
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Old 10-14-2013, 05:54 AM   #11
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Old 10-14-2013, 09:22 AM   #12
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There are several good reasons why dry nitrogen is used in aircraft tires...compressed air can have moisture in it, this can cause a couple of problems: a slug of water in a tire can freeze at high altitude, causing a SEVERE unbalanced condition upon touchdown at 150+ KTS, something you do NOT want to experience. Water can also cause corrosion in certain alloy wheels, also a VERY bad thing.

And, the number 1 reason....it's much easer to wheel out a high pressure nitrogen cylinder to the aircraft, than it is to get the aircraft close enough to the air compressor

If putting nitrogen in your RV tires makes you feel better, go for it! It sure won't hurt anything, it's simply an unnecessary expense.
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Old 10-14-2013, 10:08 AM   #13
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When we bought new tires last year for our car the tire shop filed the tires with nitrogen at no cost. They also put these pretty green valve stem caps on. I think that represents the tire has nitrogen in them. I think green is in! What better reason could there be.
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Old 10-14-2013, 11:08 AM   #14
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A tire chain around here was touting Nitrogen filled tires. As already pointed out, atmosphere is 79% nitrogen already. I bought tires there (price, not nitrogen) and they filled them with N2. They give spiffy green valve stem caps. Service manager admitted it was a marketing ploy, not safety or any real need.
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