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Old 07-11-2011, 10:45 AM
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Re: Nitrogen Filled Tires

I don't know what "high prices" you all are talking about. I've had nitrogen inflated tires for about 4 years now and never paid for it. TireDiscounters only uses nitrogen and will even do a "drain & fill" for free.
That being said, the only noticeable difference I've seen is the consistency. It still varies with heat, but in the winter, my tires stay within 1-2 psi even on the coldest days. And that's what the "better MPG" shenanigans are, once it's filled, you normally don't have to check it or add to it. Properly inflated tires just work better, it doesn't matter what's in them.

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Old 07-11-2011, 11:29 AM
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My stock WK2 set came with Nitrogen fill as part of the deal, though I wouldn't pay for it separately.

That said, the PSI hasn't budged despite temp lows of -15 to highs of +100 F.

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Old 07-11-2011, 11:38 AM
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Re: Nitrogen Filled Tires

I like checking my tires weekly and added even a half a PSI with the automatic free air pumps once a month, just piece of mind that everythings ok and they are where they should be

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