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Old 05-22-2006, 11:47 AM   #1
355
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Nitrogen

Why do I need N2 in my tires? I have always put air in them before and now the sales person informs me about the error of my ways. The nitrogen will keep the tire cooler, will improve MPG, will not break down the rubber, and bring me a beer if I am watching TV. Well....... if anyone else can inform me on what else I have been missing, lets share. Steve
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Old 05-22-2006, 12:05 PM   #2
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Re: Nitrogen

that's a new one on me... maybe he sells Nitrogen too...
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Old 05-22-2006, 12:33 PM   #3
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Re: Nitrogen

how come they come from the factory with room air in them then??
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Old 05-22-2006, 01:00 PM   #4
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Re: Nitrogen

Air=79% Nitrogen+21% oxygen
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Old 05-22-2006, 01:39 PM   #5
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Re: Nitrogen

actually it would be an awefull lot better to use helium that way you'd get a feeling of floating over the potholes and your truck wouldn't weigh as much and your beer would be colder
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Old 05-22-2006, 03:31 PM   #6
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Re: Nitrogen

nitrogen molecules are larger, therefore are less likely to escape and it is more stable, ie you won't get as much pressure variation when the tires heat up. if it's free, great, but don't go paying for it unless you have a race car...
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Old 05-22-2006, 03:43 PM   #7
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Re: Nitrogen

I was going to throw in there that racers use it. It is more stable and expands and contracts less than just "air" I can't imagine a fill up with it being too awful expensive, but I have been wrong before.
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Old 05-22-2006, 03:46 PM   #8
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Re: Nitrogen

I have 2 tanks on my service truck and I have used it when I have had a flat tire (slow leak), until I get it fixed.
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Old 05-22-2006, 04:10 PM   #9
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Re: Nitrogen

We used to use it race car tires cause it won't heat up & expand like air will & mess up your stagger, but it seems kinda crazy to use for street cars.
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Old 05-22-2006, 06:33 PM   #10
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Re: Nitrogen

Quote:
Originally Posted by 724wdcopper
nitrogen molecules are larger, therefore are less likely to escape and it is more stable, ie you won't get as much pressure variation when the tires heat up. if it's free, great, but don't go paying for it unless you have a race car...
okay i work for sam's club tire and battery as a master tire tech. what he said is true the biggest advantge is it doesn't leak out as fast as air. my job looked into going to nitrogen but for the price its not that friendly for us to put in tires. its easlier for us to just check the pressure when ever they come in for a rotation (every7500 miles)
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Old 05-22-2006, 07:01 PM   #11
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Re: Nitrogen

We use dry nitrogen in aircraft tires...never thought much about it but maybe it won't support combustion??? It has no moisture or oxygen to cause oxydation. I guess its all about safety.
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Old 05-22-2006, 08:02 PM   #12
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Re: Nitrogen

For a street vehicle in my opinion...for a race car its legit.....Can you say OVERKILL

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Old 05-22-2006, 08:48 PM   #13
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Re: Nitrogen

Quote:
Originally Posted by Sweet72
We use dry nitrogen in aircraft tires...never thought much about it but maybe it won't support combustion??? It has no moisture or oxygen to cause oxydation. I guess its all about safety.


I imagine the reason it is used in aircraft tires is the extreme temp. differences experieced. On the ground the ambient temps would vary greatly compared 10,000'+. This might create a massive pressure swing with air, especially if the tires were inflated in an extremely humid climate then climbed to 30,000', then rapidly descended to sea level. It would probably be like landing on Marshmallows.

Nitrogen is dry, and yes inert, and not as suceptable(sp?) to temp changes.


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