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SUVs Honda CR-V Nitrogen in the tires
9 messages, Last post on Jul 15, 2009 at 4:56 PM
You are in the Honda CR-V Forum. Your Hosts are steve_ & tidester
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My 09 CRV came with nitrogen in the tires as part of the dealer package. The sales person mentioned better gas mileage, improved handling, pressure not fluxuating, and it shouldn’t be necessary to add more nitrogen. Anyone notice a difference? |
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Replying to: johnsc (Jul 14, 2009 5:26 am) Also in my new '82 Tercel, and my new '74 Jeep CJ-5. Not quite 100% nitrogen though, more like 78%.  It it's free, ok. I wouldn't pay for it. TPMS lights probably negate some of the advantage, since new cars will trigger the light when a tire gets low pressure. It sounds like the only advantage may be fewer trips to the air hose. More in this thread: Nitrogen in the tires
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Replying to: steve_ (Jul 14, 2009 7:00 am) I'm more intrersted in people who have tried both with the CRV who would notice a 1 mph difference. On my first tank of gas I got 28.9 mpg, which is mostly 40-55 mph, several stop signs, traffic lights, and short trips, and parking lots, and AC. It should go up with a fresh fuel. |
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Replying to: johnsc (Jul 14, 2009 5:26 am) The thread Steve mentioned is just as applicable to the CR-V as to any other vehicle on the road. It is just a gimmik on part of my company and others whol make nitrogen out of the air. |
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Replying to: johnsc (Jul 14, 2009 5:26 am) The sales person may have mentioned better mileage, improved handling and uniformity of pressure but he/she surely cannot back any of that up. Unless you're into high performance racing or flying an airplane, N2 doesn't even rise to the level of making a marginal difference in an ordinary passenger vehicle. tidester, host SUVs and Smart Shopper
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Replying to: tidester (Jul 14, 2009 9:06 am) It would be more helpful if you could back up your claims with some kind of reliable testing. I think everyone realized that the sales person wasn't reliable, which is why I started the thread. Sorry, but you people seem condecending and egotistical. I think I have wasted enough time here. later
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Replying to: johnsc (Jul 14, 2009 10:27 am) Here's an even snarkier commentary than the CR one: Is it better to fill your tires with nitrogen instead of air? (The Straight Dope). It's a profit center, right up there with mop & glow and VIN etching. |
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Replying to: johnsc (Jul 14, 2009 10:27 am) Actually, no, the burden of proof is on the person making the claim of improved mileage etc. resulting from N2. It makes little sense from a chemistry/physics perspective because (a) air is already 79% nitrogen, (b) the atomic weight of nitrogen differs very little from that of oxygen (the other major component of air), (c) speed of sound in N2 is virtually the same as that in ordinary air [this relates to your pressure argument] and (d) the thermal conductivity of nitrogen differs little from that of air Those very slight differences in physical properties can make a significant difference ONLY under extreme conditions. One place where nitrogen can make a difference is in water content but that is not an intrinsic property of nitrogen. Rather, the process of separating nitrogen from air removes a lot of the water content. In any case, that will not have much impact on performance though it may inhibit the corrosion of ferrous metals. Finally, have a look at the links provided by Steve for more details. There is nothing condescending or egotistical about any of this. We're just looking at physical characteristics and properties. tidester, host SUVs and Smart Shopper |
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Sneakers says you're not really going to notice any changes running nitrogen in your tires. But he also says he thinks there's something to be said for running nitrogen in your tires. Jul 15, 2009 - Nitrogen Long Term Test (AlternateRoute) (the compressor is behind the 99+ sign). |
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