Nitro Filled Tires
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
Air is 80% nitrogen...
It's supposed to help maintain pressure without changing due to temps.
However...
My $.02
It's supposed to help maintain pressure without changing due to temps.
However...
- You will still lose air pressure over time.
- IF you check it and let air out... you can't refill it unless you have a nitrogen tank.
- The soon as you use an air compressor/pump, the nitrogen is uesless.
- And good luck finding a Nitrogen filling station while on the road.
My $.02
Hotshot
Joined: Nov 2006
Posts: 11,288
Likes: 269
From: North of Greenville
I get lifetime free nitrogen fill-ups where I got my tires, so if I have to use some "top off" air while on the road, they will purge and refill at no charge when I get back home.
As for making a difference, I haven't lost more than 2 psi in two of my tires in a year's time, and they retained their pressure perfectly through the winter. As for the other two tires, they were not purged well when they were first installed and lost some pressure, but once I discovered that and had them re-purged and refilled with nitrogen, it's now been nearly 9 months with no drop in pressure.
Observations... the tires which lost pressure show abnormal wear, but the two which never lost air still show excellent tread depth after 20,000 miles. At the rate they are wearing, I should get another 30K-40K miles off of them. (Michelin LTX AT2's, 285's on stock rims)
I know of one company (at least 20 big rigs ) who studied this issue extensively and has switched every tire on every truck over to nitrogen and is seeing the savings in tire life.
As for making a difference, I haven't lost more than 2 psi in two of my tires in a year's time, and they retained their pressure perfectly through the winter. As for the other two tires, they were not purged well when they were first installed and lost some pressure, but once I discovered that and had them re-purged and refilled with nitrogen, it's now been nearly 9 months with no drop in pressure.
Observations... the tires which lost pressure show abnormal wear, but the two which never lost air still show excellent tread depth after 20,000 miles. At the rate they are wearing, I should get another 30K-40K miles off of them. (Michelin LTX AT2's, 285's on stock rims)
I know of one company (at least 20 big rigs ) who studied this issue extensively and has switched every tire on every truck over to nitrogen and is seeing the savings in tire life.
Cargo Master
Joined: May 2010
Posts: 3,047
Likes: 10
From: Snohomish, WA
Nitrogen molecules are larger than air molecules, so they are less likely to leak. Nitrogen is also dryer. That means little to no moisture in the tire which makes a difference with TPMS vehicles. You will not see any noticeable mileage increases or decreases with either one.
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Cargo Master
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Well thats a shame.
Does anyone think it would be cost effective when you factor in better tire life?
Does anyone think it would be cost effective when you factor in better tire life?
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
But, if youre a "fill and forget" kinda guy.... yeah, probably.
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
If your tires are properly inflated, you will get optimal MPG's.
Likewise, overinflated, you get excessive wear in the middle and poor grip, and under inflated you get wear on the outsides and very poor preformance/mileage.
Senior User
Joined: Oct 2009
Posts: 453
Likes: 0
From: Dade City, FL
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
