 Nitrogen filled tires |
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| smooth_eddy |
 Mar 21 2005, 11:04 PM
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#1
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Senior Member  Group: Members Posts: 535 Joined: 13-November 04 From: Seattle Member No.: 3,102  |
I had some tire work done at Costco last Saturday and they filled my tires with Nitrogen. (IMG:http://www.914world.com/bbs2/html/emoticons/confused24.gif) They swear by it. Says it is way more stable than just regular old air. Anybody using nitrogen in their tires? Is there a noticable difference? Eddy
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Replies(20 - 26)
| Cap'n Krusty |
Mar 22 2005, 10:01 AM
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#21
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
I see signs advertising nitrogen for tires at nearly all the mainline tire stores around here, and we are, relatively speaking, out in the sticks. BTW, when I worked in LA in the 70s, we used it in all our customers' time trial cars. The Cap'n |
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| Trekkor |
Mar 22 2005, 10:18 AM
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#22
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I do things... Group: Members Posts: 7,809 Joined: 2-December 03 From: Napa, Ca Member No.: 1,413 Region Association: Northern California |
About draining the air tank: I went to fill a tire at a service
station and all I could get was water spray. (IMG:http://www.914world.com/bbs2/html/emoticons/ohmy.gif) I went somewhere else. (IMG:http://www.914world.com/bbs2/html/emoticons/wink.gif) KT |
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| davep |
Mar 22 2005, 10:26 AM
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#23
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914 Historian Group: Benefactors Posts: 5,162 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada  |
I don't know why O2 would escape faster than N2, the O2 is a bigger molecule. The oxidation of the rubber is much more important on the outside where you can't get away from it. Not to mention the UV rays. The only important difference is the bottled Nitrogen is dry, no other factor is important.
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| smooth_eddy |
Mar 22 2005, 07:52 PM
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#24
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Senior Member Group: Members Posts: 535 Joined: 13-November 04 From: Seattle Member No.: 3,102 |
[QUOTE]I don't know why O2 would escape faster than N2, the O2 is a bigger molecule[QUOTE]
I think O2 is a smaller molecule than N2, that is why the tires deflate after 6 months. Any chemistry majors here? Eddy |
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| bondo |
Mar 22 2005, 08:01 PM
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#25
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Practicing my perpendicular parking Group: Members Posts: 4,277 Joined: 19-April 03 From: Los Osos, CA Member No.: 587 Region Association: Central California |
The element nitrogen is number 7 (7 protons) and oxygen is number 8 (8 protons). But since we're talking molecules made of two atoms of each, it would depend on how close they are together (I think).
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| davep |
Mar 22 2005, 09:27 PM
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#26
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914 Historian Group: Benefactors Posts: 5,162 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada |
Don't know about a chemistry major, but I am a physicist. There isn't a great difference in the size of the two molecules. If you want a real leak then try helium. |
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| Porsche Rescue |
Mar 22 2005, 10:33 PM
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#27
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Saving and Enjoying Old Porsches Group: Members Posts: 2,978 Joined: 31-December 02 From: Bend, Oregon Member No.: 64 Region Association: None |
Got Costco tires for my six about 2 weeks ago. They put in nitrogen. Could not figure why the gaudy green valve caps. Replaced 'em with black as soon as I got home. Learn something new on this board every day......green=nitrogen.
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