another myth??? - Page 4 - Nissan Murano Forum
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post #46 of 57 Old 02-11-2007, 09:49 PM
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nitrogen

I buy my tires from Costco, as long as the nitrogen is free, why not?

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post #47 of 57 Old 02-12-2007, 05:03 PM
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I use helium, less unsprung weight for better handling.

2003 Murano SL AWD, Sheer Silver/Cafe latte. Leather Pkg/Premium Pkg/Sunroof/Dynamic Ctrl/Nav/X-Pel Rebuilt alternator
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post #48 of 57 Old 02-12-2007, 11:39 PM
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Quote:
Originally posted by dmako
I use helium, less unsprung weight for better handling.

2003 SL AWD Black
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post #49 of 57 Old 02-13-2007, 08:13 AM Thread Starter
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Quote:
Originally posted by dmako
I use helium, less unsprung weight for better handling.
Still too heavy..........hydrogen is better as it is lighter....car handles even better and has much less unsprung weight.....like 23 x 10exp-23grams......




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post #50 of 57 Old 02-13-2007, 10:34 AM
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Quote:
Originally posted by saito
Why not just dispense with air/nitrogen/argon altogether and put a set of Michelin Tweels on your MO?
now those are what i call fugly

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post #51 of 57 Old 04-22-2008, 03:07 AM
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Quote:
Originally posted by TonyD.


Q: What else would cause vibration?

A: A broken steel belt in the tire would cause vibration as well as a bent rim.
Yep. IIRC, a low-speed wobble is probably a broken belt whereas a high-speed wobble is probably a balance problem (I could be wrong here but pretty sure I heard this somewhere once).

Also Gripper, you're right that, according to Boyle, equal amounts (moles for you chem. nerds) of nitrogen and air at the same temp will have the same volume (or so close as to not matter in everyday applications). The difference is the heat capacity which will affect how much the temp. will change for a given heat input. Nitrogen's heat capacity is different from air.

However, I agree that for a passenger vehicle, it'd be hard to measure a quantifiable difference in performance.
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post #52 of 57 Old 04-22-2008, 12:05 PM
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Kind of dumb 80% the air with breath are nitrogen so why you want to pay for the 20% of the nitrogen for $$$ just a gimmick I say

http://en.wikipedia.org/wiki/Nitrogen

http://www.zyra.org.uk/nitrogen.htm

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post #53 of 57 Old 04-22-2008, 12:07 PM
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DUMB

Kind of dumb 80% the air with breath are nitrogen so why you want to pay for the 20% of the nitrogen for $$$ just a gimmick I say

http://en.wikipedia.org/wiki/Nitrogen

http://www.zyra.org.uk/nitrogen.htm






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post #54 of 57 Old 07-24-2012, 12:30 PM
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Quote:
Originally Posted by Kris View Post
While at tire shop this morning I saw this ad. Just couldn’t resist taking picture of it (sorry for the quality, though it was just phone camera)…

Tire experts – is there a merit in these claims?
If you get a flat tire you will have to go to the dealership to get tire changed and refilled if the tire store doesn't have Nitro
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post #55 of 57 Old 11-29-2013, 10:26 AM
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In applications like aerospace and mining there are advantages to nitrogen.

In OTR and passenger applications there are less.

In mining those tires can be retreaded many many times. Corrosion on the belts is a major problem. Those tires could be in use for a decade or more.

In OTR trucking sure tires are retreaded but normally 3-4 times. A few more if the casing has stood up really well. My company (a very large Canadian tire retailer with a large distribution network) tested nitrogen in a fleet of OTR trailers. No improvement in fuel mileage, tire life, or retreadability. As a result we don't provide it to our customers and fleet clients.

In passenger applications the tire is used for 2-5 years in most cases. In light duty fleet we see 1-3 years depending on application. A little longer if there are seasonal tires in use. For a quality tire this isn't long enough for there to be an issue. A little food for thought - for those who do seasonal tire changes without wheels those tires are sitting in open air for half their life.

If the N2 fill is free then it doesn't matter. If it is a fee - and really any fee - I'd tell them to go stuff it. I've seen quotes with up to $19.99/tire
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post #56 of 57 Old 11-29-2013, 11:14 AM
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Nitrogen is great for 95% of the driving public because 95% can't be bothered to check their tire pressures. Come winter most of these people are driving around on under inflated tires because they never adjusted for the cold temperatures.

Smarter people than myself agree:
Nitrogen vs Air In Tires - Why Nitrogen in Tires - Popular Mechanics

If you're part of that 5% that actually checks your tires frequently it's probably not worth it.
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post #57 of 57 Old 11-29-2013, 04:03 PM
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That's what TPMS is for.

Doesn't make much difference here when we go from +15C to -35C and back over 2 weeks. 50C temp swings make TPMS lights go off no matter if it is compressed air or N2.

Without TPMS I don't think it matters a whole lot either. It's going to be under inflated anyway. We top up both all winter long.

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