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  1. #21

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    +1 to what @RayVoy said. People just need to get educated on Nitrogen. It's a bit of scam for us everyday-motorists. Dealerships charge you tons of money for very little, if any, benefits.

    Also, racecars use pure nitrogen in the tires because pure nitrogen (or any gas really, as long it is pure) has no water vapor in it. The air we breathe has lots of moisture in it and pure nitrogen eliminates the moisture content. By eliminating the moisture content, the pure nitrogen in the tires has a much more predictable pressure behavior. As heat builds up in the tires and increases the pressure of the gas inside, race teams can better predict how much pressure they can build up. Varying tire pressures, even just half a PSI, effects how the tires handles a turn.
    Clint (TX) 2001 Silverado LS 4.8L auto 2wd ECSB [GARAGE]
    Gasoline or gunpowder: If you ain't burning one, you ain't having fun!
    NRA Endowment Member 5 24 48 88 - Hendrick Motorsports FTW!

  2. #22
    Sr. Engineer Dana W's Avatar
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    Quote Originally Posted by RayVoy View Post
    Let's get real guys, air has an average molecular weight of 29, nitrogen has a molecular weight of 28.02. Do you know why they are so close?

    THE AIR WE BREATH IS 78% NITROGEN.

    You fill a tire with air which is 78% nitrogen, or you fill a tire with 100% nitrogen. Do you really think that you, or your tire, can tell the difference.

    I agree, racers use nitrogen, also, did you know that airline companies use nitrogen in the tires on their planes.

    And why?????????? There is no oxygen. Nitrogen will not burn. The 21% oxygen that is in "air" will burn and it will fuel a fire. Something you do not want on a plane, or a race car.
    Yeah, like I said, it ain't much.

    Oh, It is not the oxygen that burns, it's the stuff that combines with it. The more oxygen the faster the combining, or oxidizing. But yeah, Nitrogen in our tires is only useful for back yard beer talk, unless you spend your weekends rounding corners at Daytona at 185 mph, or plunking F-18 Super Hornets into a flight deck.

    As far as Nitrogen contributing to the longevity of tires, there is no empirical evidence to support it. There are too many other variables that greatly affect tire life much more than the molecules captured inside of them.

    As an aside, didja know that Nitrogen is completely inert? It won't affect any other material until it is chemically compounded or combined with other elements.

    The atmosphere used to be 21% Oxygen, it's down to 19% ever since the Democrats took control of Congress.

  3. #23

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    Quote Originally Posted by Dana W View Post
    The atmosphere used to be 21% Oxygen, it's down to 19% ever since the Democrats took control of Congress.
    Haha, they've had some help from the Canadian Conservatives, haha
    Ray

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

  4. #24
    Sr. Engineer Dana W's Avatar
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    Quote Originally Posted by RayVoy View Post
    the Canadian Conservatives, haha
    That is an oxymoron if I ever saw one.

  5. #25

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    Quote Originally Posted by Dana W View Post
    That is an oxymoron if I ever saw one.
    Haha, your right!!!!!!! Living this close to it, I never noticed, haha.

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