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Old 07-14-2014, 08:55 AM   #15
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I use a custom blend of roughly 78% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, trace amounts of other gases, and a variable amount (average around 1%) of water vapor in my tires.
Good Call!!! that's exactly what I use. I have found the availability to be rather good and the cost reasonable.
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Old 07-14-2014, 10:25 AM   #16
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Good Call!!! that's exactly what I use. I have found the availability to be rather good and the cost reasonable.

I get my supply of it online and they deliver it with a drone to my shop.

Is it time for my meds? They just took my crayons and coloring book.
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Old 07-14-2014, 10:49 AM   #17
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CR tested this claim

And here are their results:
We conducted a year-long test of the effects of nitrogen in tires and the results show nitrogen does reduce pressure loss over time, but the reduction is only a 1.3 psi difference from air-filled tires. The average loss of air-filled tires was just 3.5 psi from the initial 30 pressure setting. Nitrogen-filled tires lost an average of 2.2 psi from the initial 30 psi setting.
They bought a consumer-type system that generates nitrogen in order to do this.

So you still need to check your tires frequently...
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Old 07-14-2014, 10:52 AM   #18
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I use a custom blend of roughly 78% nitrogen, 20.95% oxygen, 0.93% argon, 0.038% carbon dioxide, trace amounts of other gases, and a variable amount (average around 1%) of water vapor in my tires.
Since that is the makeup of standard air, I find a lot of people up here doing that, too. ;D
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Old 07-14-2014, 10:53 AM   #19
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I get my supply of it online and they deliver it with a drone to my shop.

Is it time for my meds? They just took my crayons and coloring book.
The infrastructure is in place for global distribution, however sometimes it comes in a very cold dense state and sometimes in a hot less dense state. Care to share your meds?
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Old 07-14-2014, 11:15 AM   #20
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I use it since it was offered on new tires. If I need a fill up I can stop at any t.o. haas and have them topped off for free. If at some point I need to add air to them while traveling and there is not a t.o. haas around I will use the other free stuff. I would not go out of my way too far to keep nitrogen in them.
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Old 07-14-2014, 11:31 AM   #21
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Basically- once purged there is circa 2-3% of oxygen in the tire. Nitrogen has a larger molecule so the "seepage" is less than nitrogen.
The main benefit for any tire is the oxygen expands more than nitrogen once heated up- hence the reason your TPM light comes on in the morning after a cool evening after driving in warmer climates. If you top back off with oxygen you are repeating the cycle- however if you top back off with nitrogen then you reduce the possibility of driving on an under-inflated tire thus reducing your tire wear.
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Old 07-14-2014, 11:47 AM   #22
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Smile nitrogen

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How do you evacuate the air in a new tire before you fill it with nitrogen? When a tire is mounted there is a certain amount of air inside. Even at zero pressure.
When they mount new tire miniscule of air is in tire will not be enough to effect n2 unless air was put in to seat tire that should have been done with n2 if air was used n2 is useless as it is contaminated, never seat with air when using n2.....
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Old 07-14-2014, 12:23 PM   #23
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There are also Machines that evacuate the tire and refill with nitro..,
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Old 07-14-2014, 12:27 PM   #24
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You would have to mount the tire with nitrogen as well as to get all the N2 out. The only other way would be to purge it but that would waste N2. If you pull a vacuum on it the tire will collapse and pop off the bead. I don't know how you would purge it unless you purge it before the bead is set.

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Old 07-14-2014, 12:45 PM   #25
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Next time my dermatologist uses liquid nitrogen to burn off some lesion on my skin, I'll ask him to fill my tires and check the oil. I wonder if Medicare will pay for that?

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Old 07-14-2014, 01:21 PM   #26
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I think, as most have said, that if there is an opportunity to fill your tires at no cost or effort then do it! Costco probably won't want to deal with a trailer but you never know....
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Old 07-14-2014, 05:20 PM   #27
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I just over inflate my tires by 20%, then let out that 20% and end up with 100% Nitrogen.

I love that. I think I read it on an earlier thread here.
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Old 07-14-2014, 05:54 PM   #28
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I just over inflate my tires by 20%, then let out that 20% and end up with 100% Nitrogen.

I love that. I think I read it on an earlier thread here.
Yes, there's a wealth of information all over the Forum. Some of it is even right.

Another thought: what if we fill them with CO2? That could solve global warming. We can just breathe into the tires.

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