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Who has switched to nitrogen for tires?

Who has filled their tires with nitrogen?

  • Nitrogen

    Votes: 5 9.1%
  • Air

    Votes: 29 52.7%
  • Magical Unicorn Farts

    Votes: 21 38.2%

  • Total voters
    55

jackhodges

Member
Jun 13, 2018
49
45
Kentucky
I work for a company that sells nitrogen and other atmospheric gases and I use it. The main things I have noticed is less variance in my cold and hot tire pressures.

A co-worker who also uses it in his tires stated that Nitrogen tends to not migrate through the rubber of the tires as quickly as Oxygen and compressed Nitrogen also has much less water vapor.

I probably will go back to straight air when I am no longer able to get nitrogen at work.

Air is like 78% nitrogen so I'm not sure what the point of that would be...

As DirtyT3sla states, air is 78% Ni.
 
  • Informative
Reactions: DirtyT3sla

Avid

Member
Oct 1, 2018
326
191
Houston, Tx.
The current set of tires on our other car came from Costco, but I have a air compressor at home and top it off with it because it is more convenient.
 

Knightshade

Well-Known Member
Jul 31, 2017
11,379
14,966
NC
In normal use, and for free, it is objectively, very very very marginally better than "air"- so sure.

For anything other than free that marginal amount isn't worth whatever your cost is.
 

DopeGhoti

Active Member
Aug 28, 2019
1,213
1,374
Phoenix, AZ
The supposed point of using nitrogen in your tires is that it is not as variant in volume with temperature, so if you inflate your tires to 45 PSI with nitrogen when it's 45 degrees Centigrade out (hi from Phoenix!), the tire pressure won't go down as much when it gets down to twenty degrees.

But since we have TPMS in modern cars, it's not as "necessary" anymore (not that, in my opinion, it ever was), it's mooted by the car letting you know when your tire pressure has changed on you.
 
  • Funny
Reactions: AlanSubie4Life

IdaX

Member
Dec 27, 2016
427
517
Moscow, Idaho
The supposed point of using nitrogen in your tires is that it is not as variant in volume with temperature
The Ideal Gas Law has not been repealed for nitrogen — there should be no difference at all in pressure variation with temp from nitrogen/oxygen mix. Presumably the advantage is therefore either in pushing out the water vapor or preventing the reactive oxygen from messing around in there?
 
  • Like
Reactions: AlanSubie4Life

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