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#752642 02/06/13 12:18 PM
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Squires Offline OP
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Been doing a little car shopping recently and saw they were filling tires with nitrogen. From what I've read, the benefits to this a minimal and not worth the additional price of having to reinflate with nitrogen. Any one have any of their own experience with this?


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When I bought my tires they were filled with Nitrogen. I have slowly over a couple years swapped it out with generic regular old fashion air with no noticeable performance or fuel economy difference.

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Nitrogen will keep a consistent inflation through temperature changes unlike air. But that being said if you should acquire a slow leak that needs to occasioanlly be topped off you have to pay or just put in regular air which negates the advantages.

I'm not sold on the concept for the typical driver.


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MIne are inflated with Nitrogen but I'm pretty skeptical. Nitrogen is almost 80% of regular air. I have some trouble seeing why the oxygen, argon and trace that makes up the remaining air would be more likely to leak.

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Quote:

Nitrogen is almost 80% of regular air. I have some trouble seeing why the oxygen, argon and trace that makes up the remaining air would be more likely to leak.



it's not that it leaks more, Nitrogen doesn't expand and contract as much as the other components of "air".. so you get a more consistent tire pressure regardless of the temperature and how hot the tires are.... that's why they started using it in airplanes.


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They use it in NASCAR, for exactly the reasons you stated


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I'm not going to doubt that it does some good in NASCAR.

But in my own experience it was nothing more than a tire discounters gimmick.

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Quote:

I'm not going to doubt that it does some good in NASCAR.

But in my own experience it was nothing more than a tire discounters gimmick.




Thats what I've been reading. It's useful for more extreme circumstances, not so much for the average vehicle on the road.

If the car comes with nitrogen in the tires, can I just fill with air as it deflates?


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Quote:


If the car comes with nitrogen in the tires, can I just fill with air as it deflates?




Yeah, although tire discounters (or whoever) will recommend otherwise.

Don't listen to them., the tires will wear the same no matter what after so many miles. Just make sure they honor the free rotation every 5,000.

DawgTalkers.net Forums DawgTalk Everything Else... Nitrogen in tires?

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