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Old 01-09-2013, 03:06 PM   #1 (permalink)
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Observations on nitrogen filled tires

On September 24th, 2012 I traded my 2009 FLHT on a 2013 FLHR. The dealer had nitrogen filled the tires. As of today, I have lost only 1 PSI in each of the tires, even though we are now in a cooler time of year. I can't say for sure that Nitorgen fill is "worth it", but I can say that it certainly provides a consistent tire pressure. Just passing my experience along.
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Old 01-09-2013, 03:35 PM   #2 (permalink)
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My theory is, our atmosphere is 80-85% nitrogen and rest being oxygen and other gases. That being said your paying for someone to replace as little as 15% of the gas in your tires. Also most nitro fill places dont pull a vacuum on the tires before they fill so your getting even less for your money. Just my quarters worth. Plus i check my tires every month and only add air maybe once at the beginning of every season.



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Old 01-09-2013, 04:16 PM   #3 (permalink)
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i check the air in my tires at least once a month and look at them closely. i don't think the nitrogen fill is worth it.
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Old 01-09-2013, 04:44 PM   #4 (permalink)
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we used it in drag racing as far back as 25 years ago -

the slicks do not change their size as much ( water in the air makes them grow ) with it and the ET of the car or bike is not as effected as much

in the race trailer we carry a large bottle for the cars throttle stop and the slicks - on the bikes we used it for the air shifter and the slick NOTE the air shifter with compressor air in the regular air charge, would make it operate slower as the water was in the way so to speek -- as for tires its a new hipe to cash grab sure you can use it but Y -- just my take -- jz
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Old 01-09-2013, 04:59 PM   #5 (permalink)
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Just sharing an actual experience fellas. Do with it what you will.
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Old 01-09-2013, 07:17 PM   #6 (permalink)
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What nitrogen offers in tires, is a very predictable increase in heat expansion, that can be calculated down to 1/100 th of a PSI.

Any of the inert class of gases would work, but nitrogen is the most practical.

For most people it's just a may for the dealer to make some easy money. One of the local dealerships here wants $50 for 2 tires, a large cylinder runs about $25.
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Old 01-09-2013, 10:12 PM   #7 (permalink)
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I like Nito in my tires works well.
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Old 01-27-2013, 07:39 PM   #8 (permalink)
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I like Nito in my tires works well.
Why? What are the benefits?
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Old 02-19-2013, 08:19 AM   #9 (permalink)
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I run Nitrogen in my work van, wife's car, my truck, and my bike, and any one else's.

I keep 2 60s and 2 40s in my van, it costs 12 bucks to swap out the 40s, and 14 for the 60s at the supply house.

I also use the nitrogen in my air tools. It was great running the air nailer in the house, WITHOUT the compressor...

Anyway, worth it for stable pressures? If your paying that much for it, no, not at all..

In my case, I have it on hand, and use it for a lot of stuff, so, yes. Its a stable, dry, inert gas.

My 2 cents,
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Old 01-25-2017, 04:39 PM   #10 (permalink)
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local metric shop does 2 tires for $20. (I go there for state safety inspection)
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Old 01-29-2017, 07:28 AM   #11 (permalink)
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In the Navy , we used nitrogen for aircraft tires because they went from ground/sea level and ambient temp to 35,000 and 0deg and back again in a matter of minutes , if not seconds , and several times per day. Same thing with race car tires. Wide temp diffs. Nitrogen contains no moisture , so no ice crystals form. High quality riflescopes and binoculars are nitrogen purged at assembly to remove any moisture so they don't fog up.

No , it's not the miracle gas some shysters would have you believe , or sell you for $10 per tire.

I keep a small tank of nitrogen in the garage for tires. A 5ft cylinder refill costs about $25 from most welding supply houses. and lasts years or dozens of tires. Cylinders runs about 2500-3000 psi so if ya don't know what yer doing or don't have the correct regulator , you can get hurt real quick.

If you fill tires at home , make sure you drain any condensation from your compressors tank and used a good mechanical inline moisture separator and dessicant filter.
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Old 01-29-2017, 08:42 AM   #12 (permalink)
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In the Navy , we used nitrogen for aircraft tires because they went from ground/sea level and ambient temp to 35,000 and 0deg and back again in a matter of minutes , if not seconds , and several times per day. Same thing with race car tires. Wide temp diffs. Nitrogen contains no moisture , so no ice crystals form. High quality riflescopes and binoculars are nitrogen purged at assembly to remove any moisture so they don't fog up.

No , it's not the miracle gas some shysters would have you believe , or sell you for $10 per tire.

I keep a small tank of nitrogen in the garage for tires. A 5ft cylinder refill costs about $25 from most welding supply houses. and lasts years or dozens of tires. Cylinders runs about 2500-3000 psi so if ya don't know what yer doing or don't have the correct regulator , you can get hurt real quick.

If you fill tires at home , make sure you drain any condensation from your compressors tank and used a good mechanical inline moisture separator and dessicant filter.
And be careful in tight or confined space because it displaces oxygen.

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Old 01-29-2017, 10:23 AM   #13 (permalink)
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If you fill tires at home , make sure you drain any condensation from your compressors tank and used a good mechanical inline moisture separator and dessicant filter.
It amazes me the number of people that go out and buy compressors and don't bother to educate themselves on the use and maintenance of said compressors. I know a guy that has an 80 gal that has never drained the thing and when you hook a blow gun up to it you get as much water shooting out as air. I've told him numerous times he needs to keep the thing drained, but he never listens.
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Old 01-29-2017, 12:50 PM   #14 (permalink)
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It amazes me the number of people that go out and buy compressors and don't bother to educate themselves on the use and maintenance of said compressors. I know a guy that has an 80 gal that has never drained the thing and when you hook a blow gun up to it you get as much water shooting out as air. I've told him numerous times he needs to keep the thing drained, but he never listens.
Auto-drains are wonderful , and cheap.

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Old 01-29-2017, 01:49 PM   #15 (permalink)
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It amazes me the number of people that go out and buy compressors and don't bother to educate themselves on the use and maintenance of said compressors. I know a guy that has an 80 gal that has never drained the thing and when you hook a blow gun up to it you get as much water shooting out as air. I've told him numerous times he needs to keep the thing drained, but he never listens.
So true.

I read an article about the nitrogen tire filling units and the rip off that they really are. They went out and tested a bunch of units that were in service. The best sample was 95% nitrogen. Most were down around 85%. Air is already 78%! Turns out the machines need a lot of service that they just don't get in a retail environment. Some of the samples had moisture that was almost the same as the ambient air at the time. Then the article went into some things like the air already in the tire, even at 0 pressure, and the advantages of bottled nitrogen over locally generated nitrogen. Then they showed how a tire was evacuated, filled with a purge gas, evacuated and then filled with nitrogen to get the temp stability results claimed by most equipment manufactures.

To me it sounded just like the Freon recycling machines. Just keeping the dryer cartridge operational was expensive and time consuming.

For a road driven vehicle, just maintaining the correct pressures is beyond most people. With that said, dry air goes a long way to limiting pressure increases.
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