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Pipsfc

Nevada

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Posted: 12/21/20 05:08pm Link  |  Quote  |  Print  |  Notify Moderator

I went to add some air into my tires for my camper and noticed they were green valve stem covers. I remember someone telling me once that green caps usually indicate the tire is filed with nitrogen. Does anyone know if that's true? I can't seem to find anywhere in the manual where it talks about this.

Bumpyroad

Virginia

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Posted: 12/21/20 05:12pm Link  |  Quote  |  Print  |  Notify Moderator

yep, filled with 100% nitrogen in place of 80%
bumpy





MFL

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Posted: 12/21/20 05:14pm Link  |  Quote  |  Print  |  Notify Moderator

Yes, that is what the green cap is indicating. However, not a big deal, just use air, which is mostly nitrogen anyway. It would be nearly impossible to maintain 100 percent nitrogen, even if available. For RV tires, it is mostly just sales hype!

Jerry





Pipsfc

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Posted: 12/21/20 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

Ok... thought so. Wasn't sure if I had to keep using nitrogen or not, but you answered that question. Air it will be! Thanks!

StirCrazy

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Posted: 12/21/20 05:32pm Link  |  Quote  |  Print  |  Notify Moderator

Pipsfc wrote:

Ok... thought so. Wasn't sure if I had to keep using nitrogen or not, but you answered that question. Air it will be! Thanks!


except you will lose the benifit of what nitrogen does.

if you fill with all nitrogen you will see slightly lower running temps, less pressure loss and it keeps the inside dryer.

Steve


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Edd505

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Posted: 12/21/20 05:57pm Link  |  Quote  |  Print  |  Notify Moderator

yes like said above, add air as needed. High school science, air is nitrogen & oxygen 21 % oxygen, 78 % nitrogen.


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Lwiddis

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Posted: 12/21/20 06:04pm Link  |  Quote  |  Print  |  Notify Moderator

I use 78.09% nitrogen at all times in all my tires. Breathe it too when under stress. Always have.


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wanderingbob

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Posted: 12/21/20 08:17pm Link  |  Quote  |  Print  |  Notify Moderator

As said many times before , there is no tubeless tire with 100 % nitrogen . Empty a tire and it is still full of air , all you can do is add nitrogen to the tire that is full of ambient air . A vacuum pump will not empty a tubeless tire . Jut add air and forget nitrogen .

wanderingbob

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Posted: 12/21/20 08:21pm Link  |  Quote  |  Print  |  Notify Moderator

Reminds me of the person on here whom said that he used a vacuum pump to get 100 per cent of the air out . Wow , the tire would collapse and loose the seal at the rim .

time2roll

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Posted: 12/21/20 08:25pm Link  |  Quote  |  Print  |  Notify Moderator

Since O2 and the rest bleed out so quickly virtually all tires have just Nitrogen. Molecules are the same size so it must be some voodoo power of the green cap.


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