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Car Forum / Chrysler Cars / August 2006Nitrogen - $5 a tire
Been hearing ads for filling tires up with Nitrogen. So I called the dealer in one of the ads and asked the theory behind this. Nitrogen gas pressure doesn't vary with temperature resulting in the correct pressure holding causing better tire wear and better mpg. Also, the Nitrogen gas is a better seal against the aluminum rims. Any vibes on this?? > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? It's a scam. Air is 78% nitrogen and it's free. This is the new thing at many tire places that are looking to distinguish themselves from other tire places and win your business. I believe Costco, for instance, uses Nitrogen. If I remember my physical science lessons from HS many yeas ago, ordinary air is already comprised of about 78% Nitrogen. As such, even if you do not fill with pure Nitrogen, you are still filling with 78% Nitrogen! I believe that the Nitrogen molecules are larger, so are less likely to leak through valve stems, rims, etc. This may also make it more immune to changes in temperature as well. Bob > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? It's worth about 20 cents a tire. when they put in air, it is 78% nitrogen already > It's worth about 20 cents a tire. Your beliefs let you down, Bob. Nitrogen is smaller than oxygen. > I believe that the Nitrogen molecules are larger, so are less likely to > leak [quoted text clipped - 10 lines] >> >> Any vibes on this?? > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? Yes, you have been lied to. All gases very in pressure with temperature. Matt Yes. PV = nRT. DAS For direct contact replace nospam with schmetterling --- [...] > Yes, you have been lied to. All gases very in pressure with temperature. > > Matt Absolutely untrue. Nitrogen behaves exactly like air in terms of pressure/temperature expansion. Both are ideal gases and behave according to the ideal gas law at the conditions inside a tire. You probably learned that in high school, and forgot. Of course, the guy who lied to you probably did too. I'm surprised they'd be so quick to think up a lie (like the grinch) On the seal, that's pretty stupid. You probably knew better. I tell you what seals better than air - water. Put water in your tires and you'll probably never have a flat. Just kidding, don't do that, except on the tractor. The advantage of using nitrogen is that it's not oxygen. Oxygen can oxidize your aluminum wheel, and to some degree the rubber in your tire. It's a slow process usually, although sometimes aluminum can get screwed up pretty badly out in the weather. Inside your tire, though, the advantages would be marginal. To be honest, I have never seen any evidence of oxidation inside a tire. I don't think it's much of a problem. > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? > Absolutely untrue. > > Nitrogen behaves exactly like air in terms of pressure/temperature > expansion. Both are ideal gases and behave according to the ideal gas law at > the conditions inside a tire. However the volume inside a tire can and does expand as pressure increases, so this needs to be accounted for in a strict interpretation of the Law relative to tires. >>Absolutely untrue. >> [quoted text clipped - 5 lines] > this needs to be accounted for in a strict interpretation of the Law relative to > tires. No - volume goes *down* as pressure increses. (I know - you meant to say as *temperature* increases, and more correctly, with an essentially constrained volume, as in a tire, pressure increases as temperature increase.) Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') >>> Absolutely untrue. >>> [quoted text clipped - 13 lines] > constrained volume, as in a tire, pressure increases as temperature > increase.) He means the volume of the tire, not the volume of an ideal gas. As you increase the pressure inside a tire, it will expand, albeit only slightly, and its inside volume will increase. Matt >>>> Absolutely untrue. >>>> [quoted text clipped - 19 lines] > > Matt Yeah - I realized that as a possibility after I posted. But this thread is old and lost on my reader, so wasn't sure of the context of the point being made. OK - I just went back to the thread on Google. He was just making a technical point that, although true, has no practical relationship to the issue. There are always going to be 2nd, 3rd, etc. order effects that can be ignored for the practical discussion - this is one of those. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') Heh... the air we breathe is 78% nitrogen but... I bet if you told the average dope on the street "my god, terrorists just sprayed nitrogen into the air!!!" they would all start choking... > Heh... the air we breathe is 78% nitrogen but... I bet if you told the > average dope on the street "my god, terrorists just sprayed nitrogen > into the air!!!" they would all start choking... What's even worse is dihyrogen-monoxide. If you inhale it, you die, and our lakes and streams are loaded with it. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') >> Heh... the air we breathe is 78% nitrogen but... I bet if you told the >> average dope on the street "my god, terrorists just sprayed nitrogen >> into the air!!!" they would all start choking... > > What's even worse is dihyrogen-monoxide. If you inhale it, you die, and > our lakes and streams are loaded with it. Only if it is in the liquid or solid state. As a gas or aerosol, etc., it is benign. :-) Matt About 5 years ago here in Kansas City one of the local morning radio goofballs announced on April Fools Day that dihydrogen monoxide had been detected in the water supply of several local municipalities. A lot of people went into a tizzy, and some of the politicians and bureaucrats fell for it. They were concerned that it may have been a result of sabatoge by terrorists, so to be safe they called the state officials. The prank didn't go on for too long, because a few people figured out what dihydrogen monoxide was. The radio guy was sternly reprimanded, but his only crime was in pointing out the stupidity of our public servants. > >> Heh... the air we breathe is 78% nitrogen but... I bet if you told the > >> average dope on the street "my god, terrorists just sprayed nitrogen [quoted text clipped - 7 lines] > > Matt > About 5 years ago here in Kansas City one of the local morning radio > goofballs announced on April Fools Day that dihydrogen monoxide had been [quoted text clipped - 6 lines] > but his only crime was in pointing out the stupidity of our public > servants. Yep - and the city council of ALISO VIEJO, California almost banned styrofoam drinking cups at city sporting events because of reading a hoax web site on the subject saying that this awful chemical, dihydrogen-monoxide, was used in the manufacture of styrofoam and residue of the substance remained in the finished product: http://www.msnbc.msn.com/id/4534017/ and http://www.guardian.co.uk/elsewhere/journalist/story/0,,1176710,00.html They really aren't very bright - a quote from the end of the first article: "The measure has been pulled from the agenda, although Norman said the city may still eventually ban foam cups. 'If you get Styrofoam into the water and it breaks apart, it's virtually impossible to clean up,' Norman said." A fun read: http://www.dhmo.org/ Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') >>>>Heh... the air we breathe is 78% nitrogen but... I bet if you told the >>>>average dope on the street "my god, terrorists just sprayed nitrogen [quoted text clipped - 7 lines] >> >>Matt > > About 5 years ago here in Kansas City one of the local morning radio > > goofballs announced on April Fools Day that dihydrogen monoxide had been [quoted text clipped - 22 lines] > > A fun read: http://www.dhmo.org/ Now that I'm thinking about it, I recall that some local officials wanted to fine the radio station and the people involved for perpetrating a hoax. But they never did because he didn't do anything illegal and it would have made the politicians look like poor sports as well as stupid. People need a humour injection. We regularly get great spoofs and hoaxes in our (UK) newspapers on Apr 1. One of the best was published by the Financial Times as a 'regular' country report. All the place names were printing terms and the articles conatined just general blah. Then there was a report on spaghetti trees... The BBC once reported that the white cliffs of Dover were being eroded by sulfuric acid... that caused quite a stir. DAS For direct contact replace nospam with schmetterling --- [...] > Now that I'm thinking about it, I recall that some local officials > wanted to fine the radio station and the people involved for > perpetrating a hoax. But they never did because he didn't do anything > illegal and it would have made the politicians look like poor sports as > well as stupid. Next time you're going through security at an airport, tell them you've got dihydrogen monoxide in your carry on. Then ask yourself (if you're American or Brit) if invading Iraq was worth it. In the war on terror, every day is better than the next. > Next time you're going through security at an airport, tell them > you've got dihydrogen monoxide in your carry on. > > Then ask yourself (if you're American or Brit) if invading Iraq was > worth it. > In the war on terror, every day is better than the next. Terror is a method. You can't wage a war against a method. > > [quoted text clipped - 3 lines] > > You can't wage a war against a method. So do we just kill ourselves now? Please tell me you aren't going to propose negotiating and appeasing the terrorists. Are you drinking early tonight or what? Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > > Terror is a method. > > > > You can't wage a war against a method. > > So do we just kill ourselves now? You're fighting a low level, slow motion war that is coming one way or another. The Islamic world has oil, and the West (the USA and the UK mainly) needs more oil every day than it can pump from it's own property. That's why you screwed with Iran, with Saudi Arabia and Kuwait, and now with Iraq. But it was always coming to this. It was just a question of how to do it, and when. Other countries have oil, but you don't invade them. Because the irrationality of Islam makes it hard to do the business of oil in the long term. This world is coming to a war between those that are islamic and those that aren't - and it's because of oil, and it will again be the US and the UK leading the battle because 360 million people get very angry when gas stations run dry. The worst thing it the lying. That Iraq was a threat. That it had WMD's. That Saddam Hussien was a bad man. One lie to cover up the last one. No -wait. The worst thing was that Americans so easliy believed it. But it doesn't matter now. The arab world sees red, but they're far away, and speak a different language, and their religion is from mars, and Americans are (as usual) staring at their own navel. The USA was condemned to be addicted to oil, and Arabia was condemed to possess so much of it. The strong will take from the weak, that is human nature. Better to be part of the strong. But it rarely comes without a price, a cost, a toll. We now think of each other as potential terrorist. Trust is gone. Little old ladies are not trusted that their bottle of water is a bottle of water. How much worse does it get? > ...The worst thing it the lying. That Iraq was a threat. That it had > WMD's... They did. No one disputes that they had them in the past - the problem was that they couldn't account for them (what happened to the ones that no one disputes that they had in the past). Unless you don't believe in the law of the conservation of mass, then you know that the real lie is that "they didn't have them". > ...That Saddam Hussien was a bad man... OK - NOW we know you're on the lunatic fringe to say that that is a lie. No more reason to continue the discussion. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > The worst thing it the lying. That Iraq was a threat. That it had > WMD's. That Saddam Hussien was a bad man. One lie to cover up the > last one. No -wait. The worst thing was that Americans so easliy > believed it. But it doesn't matter now. The arab world sees red, but > they're far away, and speak a different language, and their religion > is from mars, and Americans are (as usual) staring at their own navel. Nice and cozy with your head in the sand, isn't it? Matt The good news is that Norway has a vast fraction of oil reserves... but they won't pump it all... DAS For direct contact replace nospam with schmetterling --- [...] > The USA was condemned to be addicted to oil, and Arabia was condemed > to possess so much of it. The strong will take from the weak, that is > human nature. Better to be part of the strong. But it rarely comes > without a price, a cost, a toll. [...] > The good news is that Norway has a vast fraction of oil > reserves... but they won't pump it all... I've wondered why little of Norway's oil goes to the US. For example, while Norway is the third largest net oil exporting country (3.2 million barrels per day) and arguably is closer (geographically) to the US, it supplies only a small amount (.3 mBPD) to the US. In 2001, the USA was getting twice as much oil from Iraq (and a little more than that from Nigeria) than it was from Norway. The USA seems to go out of it's way NOT to get oil from Norway, while getting a disproportionatly large amount from the UK (in 2001, the US gets .31 mBPD from the UK, yet the UK ranks outside the top 12 oil producing countries). Also interesting is that again in 2001, the US imports very little oil from Kuwait (exact amount isin't known, but it's less than .3 mBPD). It's strange that in 2001, the US gets .78 mBPD from Iraq (39% of Iraq's total export capacity at the time) while getting about .25 mBPD from Kuwait (about 14% of Kuwait's total export capacity). Iraq: oil for food? Or oil for the USA? Norway: USA doesn't want your oil? Or doesn't want to sell it to the USA? > ...Iraq: oil for food?... ...and lots of $$$ for Kofi Anan's son. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > Next time you're going through security at an airport, tell them > you've got dihydrogen monoxide in your carry on. > > Then ask yourself (if you're American or Brit) if invading Iraq was > worth it. Oh yeah - like, after numerous previous totally unprovoked Islamofasctist terror attacks, 9/11 was going to be the last one ever to occur. You are smarter (and more honest) than that I hope. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > Next time you're going through security at an airport, tell them > you've got dihydrogen monoxide in your carry on. The sad thing is, it's now banned in carry-on. Even when the TSA folks know what it is. ;P  SignatureE-mail fudged to thwart spammers. Transpose the c's and a's in my e-mail address to reply. > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? Just going from what I read, it's the moisture in ambient air that amplifies the pressure variations due to temperature changes. Processed nitrogen is inherently dry. If what I have read is true, you can get the same benefit by putting a good dryer system on an air compressor to cut down on moisture content and using dry air instead of normal (moist) air or nitrogen. Someone else mentioned that oxygen in air degrades the rubber and metals over time. Also moisture would do that, so there would be benefits in using dry air from that standpiont too. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. > Nitrogen gas pressure doesn't vary with temperature That would violate the laws of physics. The correct statement is that nitrogen does not vary AS MUCH with temperature as air does. > resulting in the > correct pressure holding causing better tire wear and better mpg. > Also, the Nitrogen gas is a better seal against the aluminum rims. > > Any vibes on this?? Yes. First, air is mostly nitrogen so the sealing against aluminum rims claim is bogus. Second, unless you're driving a race car where 1/2 psi will make a noticeable change in the handling of the car, its just dumb to spend $5 on air for your tires. > First, air is mostly nitrogen so the sealing against aluminum rims claim > is bogus. Second, unless you're driving a race car where 1/2 psi will > make a noticeable change in the handling of the car, its just dumb to > spend $5 on air for your tires. I'm in favour of an idiocy tax. > > First, air is mostly nitrogen so the sealing against aluminum rims claim > > is bogus. Second, unless you're driving a race car where 1/2 psi will > > make a noticeable change in the handling of the car, its just dumb to > > spend $5 on air for your tires. > > I'm in favour of an idiocy tax. That's why Government lotteries exist. om Weller wrote: >>>First, air is mostly nitrogen so the sealing against aluminum rims claim >>>is bogus. Second, unless you're driving a race car where 1/2 psi will [quoted text clipped - 4 lines] > > That's why Government lotteries exist. Ha! Good one! Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') > Been hearing ads for filling tires up with Nitrogen. What short memory you guys have: -------------- Subject: Nitrogen tire filling arrives in Calgary (CostCo) Date: Sat, 02 Oct 2004 09:49:25 -0400 From: MoPar Man <MoPar@Man.com> Newsgroups: rec.autos.makers.chrysler Experts say that nitrogen molecules are four times larger than oxygen. Retailers say tires with nitrogen should stay inflated four times longer, maintain a consistent tire pressure and increase its life span. Nitrogen tire filling is already widely used in Europe. Costco doesn't charge any extra for the gas, which is included in the price of the tire and installation. Nitrogen -- a dry, inert gas used by racing professionals and the U.S. military to inflate racecar tires and military vehicles, respectively -- leaks through a tire's rubber walls three times more slowly than oxygen. As a result, tires filled with high-quality nitrogen delivered by IR's system stay inflated longer, which allows them to grip the road better and provide greater control in all weather conditions. "It's an obvious safety issue," said Ray Evernham, a three-time NASCAR Nextel Cup champion crew chief, team owner of Evernham Motorsports and an IR spokesperson. "Simply put, tires filled with nitrogen provide more stable pressure. That's why IR's Nitrogen Tire Filling System represents the best solution for drivers and tire-repair centers." (and part of the same thread) Bill Putney wrote: > For the consumer it's both mechansisms (low moisture/temperature > stability *and* bleedout over a long period of time) that come > into play. I wonder if nitrogen-filled tires play any role in preventing leaks on aluminum rims or reducing rust and pit formation on aluminum rims. > I guess the longer you leave normal air in a tire, the higher > the concentration of nitrogen, since the smaller molecules > will bleed out and leave only nitrogen. 8^) hmmm. I wonder what the "nitrogen experts" would say about that? ------------------------ Also see this: --------------------------- Subject: Re: Tires get an expiration date (was: Michelin tires and their problems) Date: Thu, 16 Jun 2005 00:01:49 -0400 From: MoPar Man <MoPar@Man.com> Newsgroups: rec.autos.makers.chrysler MoPar Man wrote: > ... He says Ford's research into the Firestone problem showed > that as tires age, the chemistry of the rubber changes as oxygen > migrates through the carcass of the tire. This leads to a > weakening of the internal structure that can result in > tire failures. An argument that seasonal tires (still mounted to wheels) should be stored with the air taken out of them (ie deflated) ? Also an argument that tires be filled with nitrogen? Perhaps some other gas? ----------------------------- > Experts say that nitrogen molecules are four times larger than oxygen. > Retailers say tires with nitrogen should stay inflated four times > longer, maintain a consistent tire pressure and increase its life > span. Well then - guess what that means. It means that if you fill a tire with air, that in a few months, the smaller molecules will have selectively been filtered out, and the concentration of nitrogen will greatly increase through "natural slection". Adding some makeup air over that first few months to make up for the exiting of smaller molecules will be adding a smaller percentage of overall smaller molecules, so you will be asymptotically approach 100% nitrogen over the course of, what, 6 months to a year. I've got three year old tires on my car - originally filled with air. They should be about 95+% nitorgen-filled now. I still think the cause of the instaneous temperature/pressure effects are the moisture in typical compressed ambient air vs. dry air or dry (commercial) nitrgogen. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') >> Experts say that nitrogen molecules are four times larger than oxygen. >> Retailers say tires with nitrogen should stay inflated four times >> longer, maintain a consistent tire pressure and increase its life >> span. This is almost as good as the poor sucker who phoned up Click and Clack to ask if the air in his tires should be changed. Apparently, someone had told him that the air gets worn out and goes hard over time -- so it needed periodic replacement! you mean it DOESN'T? I change my tire air once a month.... >>> Experts say that nitrogen molecules are four times larger than >>> oxygen. Retailers say tires with nitrogen should stay inflated [quoted text clipped - 5 lines] > someone had told him that the air gets worn out and goes hard over > time -- so it needed periodic replacement! > > Been hearing ads for filling tires up with Nitrogen. > [quoted text clipped - 11 lines] > longer, maintain a consistent tire pressure and increase its life > span. This is a big bunch of horseshit. Doesen't anyone know math anymore? Let's see, even assuming that a molecule 4 times larger leaks through rubber 4 times slower (which is preposterous malarky) since air is 78% nitrogen, only the 22% oxygen component in air would be leaking out at 4 times faster. If you inflate your tire to max inflation pressure - which for most tires is 35psi - then even if all the oxygen leaked out the pressure drop on the tire is only going to be 7psi, which will drop the pressure to 28psi which is still well within the manufacturers recommendations for most passenger vehicles. In my vehicles I see about a 2 psi loss every 6 months - do these nitrogen bozos think I'm going to stop checking tire air pressure except at 2 year intervals?!?! This rubbish was debunked back then in this group as well as the oxygen migrating through the carcass bullcrap.. Ted If you are driving a NASCAR vehicle in competition at 200 mph, I'd strongly suggest nitrogen in your tires. Otherwise, you will be quite satisfied by checking and adjusting your tire pressure on a weekly basis. You shouldn't be concerned about the minor fluctuations in air pressure caused by the moisture in your tires. It just isn't that important for the average driver. And the oxygen attacking the outside of your tires and alloy wheels is a much bigger concern that the oxygen attacking the inside. Remember: There is a finite amount of oxygen inside your tires, whereas the outsides of the tires and wheels have a nearly infinite supply of oxygen (and salt and water). hmmmm.. so if I fill my tires with helium, I guess it would make my car lighter so that there would be less wear on the tire treads.. What a fantastic idea.. thanks sharkman > Been hearing ads for filling tires up with Nitrogen. So I called the > dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > > Any vibes on this?? True, but it's also monatomic and really, really small, so you may experience some leakage... I think some really hard core bike racers were trying this maybe 10 years ago. Since I'm not really part of that scene I don't know if it ever caught on or was just something a couple guys tried to get an edge. nate > hmmmm.. so if I fill my tires with helium, I guess it would make my car > lighter so that there would be less wear on the tire treads.. What a [quoted text clipped - 8 lines] >> >>Any vibes on this?? Signaturereplace "fly" with "com" to reply. http://home.comcast.net/~njnagel The helium molecule is small and very flexible,. Unless your tire/rim are VERY securely sealed and the tire itself is tight in the extreme, helium would migrate right through the tire and leak into the atmosphere far quicker than just straight air. > hmmmm.. so if I fill my tires with helium, I guess it would make my car > lighter so that there would be less wear on the tire treads.. What a [quoted text clipped - 8 lines] >> >> Any vibes on this?? Unless your tire/rim are VERY securely sealed and the tire itself is tight in the extreme, helium would migrate right through the tire and leak into the atmosphere ____Reply Separator_____ Causing everyone in the area to talk like Alvin, Theodore and Simon. I'd go with standard air so eventually the heavier molecules would be expelled thru the tire body simply by centrifugal force. ;-) > hmmmm.. so if I fill my tires with helium, I guess it would make my car > lighter so that there would be less wear on the tire treads.. What a fantastic > idea.. thanks >Been hearing ads for filling tires up with Nitrogen. So I called the >dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > >Any vibes on this?? This is like, when I was still in highschool back in he early 60s.. (dating myself) Night shift at the gas station NO boss. We would pick on certain unknowing customers if we were asked to check the tires.. We would get oiut the guage,, and after a short pressure check.. Quote. "Ohh Miss Bridgman - You need to have the air changed in your tires, The air in them smells terrible" and we would have them smell the air from the tire. We made 50 cents a tire.. Back then 50 cents for a gallon of gas or 50cents for a pack of smokes. Sometimes we could get 3 or 4 customers for this a night. Ohh the games we played in the old days. History repeats itself. cheers Marv > Quote. "Ohh Miss Bridgman - You need to have the air changed in your > tires, The air in them smells terrible" and we would have them smell [quoted text clipped - 6 lines] > cheers > Marv ____Reply Separator_____ Didn't you ever "Short stick" them when checking the oil? You'd slip the dip stick between your index and second finger, insert it into the tube until it contacted your fingers. You'd then show them the stick that "indicated" the crankcase was a quart low. After they told you that "You better add one," you put the metal pout spout into an empty can, put it into the add oil hole, wait about a half a minute, remove it, and charge them for a quart of oil. Maybe that's why we have self-service in much of western Europe. DAS SignatureFor direct contact replace nospam with schmetterling --- [...] > Didn't you ever "Short stick" them when checking the oil? [...] >> "Ohh Miss Bridgman - You need to have the air changed in your tires, >> The air in them smells terrible" and we would have them smell the air >> from the tire. We made 50 cents a tire.. Back then 50 cents for a >> gallon of gas or 50cents for a pack of smokes. Sometimes we could get 3 >> or 4 customers for this a night. > Didn't you ever "Short stick" them when checking the oil? ...drop an antacid tablet into one of the battery cells? ...cut a fan belt almost all the way through or poke a hole in a radiator hose while "checking the oil"? And people wonder why full-serve no longer exists (only self-serve and we-serve). > Quote. "Ohh Miss Bridgman - You need to have the air changed in your > tires, The air in them smells terrible" and we would have them smell > the air from the tire. We made 50 cents a tire.. Back then 50 cents > for a gallon of gas or 50cents for a pack of smokes. Sometimes we > could get 3 or 4 customers for this a night. 'til one night some woman's husband came and beat the crap out of you and got the $2.00 back. Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my address with the letter 'x') >Been hearing ads for filling tires up with Nitrogen. So I called the >dealer in one of the ads and asked the theory behind this. [quoted text clipped - 3 lines] > >Any vibes on this?? Waste of money. It is pretty simple to check your tires for proper pressure. It also means you will actually look at your tires and spot problems that could get worse, like uneven wear. -------------- Alex |
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