nitrogen filled tires.....how do you add?? is air OK?

The purpose, I've been told and it may be pure BS, of Nitrogen in tires, which works out to about 92-96% if the tires are filled properly, it to reduce the percentage of Oxygen in the tires.

Oxygen is a component of water. The higher percentage of oxygen, the greater chance of moisture in the tire. Nitrogen isn't a component of water. Moisture in the tire increase breakdown of tire components slightly. More importantly, most commercial air stations don't provide 'dry' air. The moisture content varies.

Nitrogen doesn't migrate through the rubber tire walls as easily as oxygen. It doesn't expand or change pressure nearly as much as oxygen. Race cars use nitrogen to control tire pressures within 1/2 pound of pressure. Something that is impossible with normal air.

That said - I firmly of the belief that for the type of driving we do with current vehicles, RVs and such - Nitrogen is worth about 1/2 cents per tire over the life of a tire.

So on a cost / benefit ratio - I don't bother with finding pure nitrogen. Regular air is good enough for me.

We use nitrogen in the HVAC industry for pressure testing and purging refrigerant lines. Nitrogen is cheap, whats costs is the cylinder. If you have a cylinder to exchange, a 40 lb cylinder of nitrogen is about 15.00 exchange. If you don't have a bottle, it's over 100.00.

2oldman wrote:

SolidAxleDurango wrote:

Dick_B wrote:
...Is there a bigger scam in the RV world?

Slide-out supports

Television set made for RVs. Rv toilet paper.

Anode Rod for Atwood Water Heaters

Sleeps 7-8 comfortably.

You can sell it for more than you bought it in five years.

SolidAxleDurango wrote:

Dick_B wrote:
...
Is there a bigger scam in the RV world?

Slide-out supports

Dealer extended warranty!

SolidAxleDurango wrote:

Dick_B wrote:
...Is there a bigger scam in the RV world?

Slide-out supports

Television set made for RVs. Rv toilet paper.

sch911 wrote:

icanon wrote:

bikendan wrote:
Nitrogen filed tires is a big scam in the tire industry.

unless you have a race car or plane, it's not worth the money or trouble.

try Googling it.

Funny, I googled and it's about 50/50.

Actually normal atmospheric air is about 78% Nitrogen, 21% Oxygen, and 1% Other.

That 1% other was me...Sorry, too many beans last night.:E

Assuming the tire shops cannot evacuate all of the regular/normal air from the tire casing when mounting the tire, how much actual nitrogen ends up inside the tire? Anyone ever seen a %?

icanon wrote:

bikendan wrote:
Nitrogen filed tires is a big scam in the tire industry.

unless you have a race car or plane, it's not worth the money or trouble.

try Googling it.

Funny, I googled and it's about 50/50.

Actually normal atmospheric air is about 78% Nitrogen, 21% Oxygen, and 1% Other.

You can get 78 percent nitrogen just about anywhere for free, that's close enough.