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re: Nitrogen in your tires
Posted on 12/27/17 at 7:36 am to Duke
Posted on 12/27/17 at 7:36 am to Duke
quote:
The advantage to pure nitrogen is you know it's dry.
How does one fill a tire with 100% pure nitrogen? You would have to completely evacuate all of the regular air that’s in the tire first. Does anyone have a video of this being done?
0
Posted on 12/27/17 at 7:56 am to theantiquetiger
I may be wrong, but I think the theory with N2 is that it's thermal expansion properties allow for LESS thermal expansion than just atmospheric air. So, it's more stable at ANY temperature.
Posted on 12/27/17 at 8:13 am to Pintail
I didn’t say anything about the laws of physics. I was specifically relating to the TPMS.
Is 95% nitrogen beneficial? Absolutely. Otherwise race cars wouldn’t be using it.
Is it worth it to the average driver? Not likely. Only if you don’t want your TPMS going off every morning during the winter.
I sold cars for about 2 years and I didn’t make up bullshite.
It’s the way the industry is heading. The new norm is 95% Nitrogen. It extends tire life, reduces seepage, and helps maintain proper inflation.
Is it cost beneficial for about a 2% measureable difference? Not likely to the average consumer. But neither is buying a new car to be completely honest.
Is 95% nitrogen beneficial? Absolutely. Otherwise race cars wouldn’t be using it.
Is it worth it to the average driver? Not likely. Only if you don’t want your TPMS going off every morning during the winter.
I sold cars for about 2 years and I didn’t make up bullshite.
It’s the way the industry is heading. The new norm is 95% Nitrogen. It extends tire life, reduces seepage, and helps maintain proper inflation.
Is it cost beneficial for about a 2% measureable difference? Not likely to the average consumer. But neither is buying a new car to be completely honest.
This post was edited on 12/27/17 at 8:19 am
Posted on 12/27/17 at 8:17 am to theantiquetiger
I did a safety moment on this recently, so I might as well be an expert.
The rule of thumb with tire pressure is you will lose or gain 1 psi for every 10 degree temperature change outside. If you fill your tires up to 40 psi at 70 degrees and the temp drops the next day to 40 degrees (as common in Louisiana) your tires will now be 37 psi. Since air is 78% N2, the same will be true for air or N2 filled tires.
The main reason for Nitrogen is to prevent moisture in a tire which can cause rotting. Next time you fill up at the "On the Run", purge a little in your hand. You'll be amazed how much water gets compressed out of the southern air. And yes, you would have to purge your tires flat and fill them a few times with N2 to get as much moisture out as possible.
Although the N2 molecule is lighter compared to O2 (20.8% of the Air), it's electron cloud is larger which makes it less prone to leaking out of the tire than Air. But after testing was done, you will only save about 1 psi per year from leaking out vs air.
The rule of thumb with tire pressure is you will lose or gain 1 psi for every 10 degree temperature change outside. If you fill your tires up to 40 psi at 70 degrees and the temp drops the next day to 40 degrees (as common in Louisiana) your tires will now be 37 psi. Since air is 78% N2, the same will be true for air or N2 filled tires.
The main reason for Nitrogen is to prevent moisture in a tire which can cause rotting. Next time you fill up at the "On the Run", purge a little in your hand. You'll be amazed how much water gets compressed out of the southern air. And yes, you would have to purge your tires flat and fill them a few times with N2 to get as much moisture out as possible.
Although the N2 molecule is lighter compared to O2 (20.8% of the Air), it's electron cloud is larger which makes it less prone to leaking out of the tire than Air. But after testing was done, you will only save about 1 psi per year from leaking out vs air.
Posted on 12/27/17 at 9:10 am to alajones
quote:
I sold cars for about 2 years and I didn’t make up bullshite.
You lying sack of shite.
This post was edited on 12/27/17 at 9:11 am
Posted on 12/27/17 at 9:33 am to Fratigerguy
quote:
My air compressor runs through 3 particulate/ moisture filters, as well as a 20’ cooled section of line with two moisture separator drops through a cooler before my hose reel. My air is pretty dry as well.
sounds like a lot of redundant useless crap to get air that isn't dry. one filter and one refrigerated dryer will more than suffice.
Posted on 12/27/17 at 9:38 am to Pintail
quote:
It is 100% a scam. But keep getting you tires filled up for $12 if it makes you feel good.
One car we have is 2 years old. came filled with N2 when we got it. Never have had to refill it. never had a low tire pressure warning.
other car I have is 1 years old. does not have N2 in it. When its cold outside, my pressure drops and I get the stupid low tire pressure warning when I start the car. Get on the interstate and 5 minutes later no more low tire pressure warning. I have refilled this cars tires twice in the last year.
tell me again how N2 costs me money and is a scam?
Posted on 12/27/17 at 9:39 am to Sgt_Lincoln_Osiris
quote:
The main reason for Nitrogen is to prevent moisture in a tire which can cause rotting. Next time you fill up at the "On the Run", purge a little in your hand. You'll be amazed how much water gets compressed out of the southern air. And yes, you would have to purge your tires flat and fill them a few times with N2 to get as much moisture out as possible.
Never had a tire long enough for it to rot.
Posted on 12/27/17 at 10:01 am to TeddyPadillac
quote:
tell me again how N2 costs me money and is a scam?
I'd sooner try to teach a monkey calculus. It would do about as much good, though I guess the monkey MIGHT learn something.
This post was edited on 12/27/17 at 10:03 am
Posted on 12/27/17 at 10:09 am to TigerstuckinMS
quote:
I'd sooner try to teach a monkey calculus. It would do about as much good, though I guess the monkey MIGHT learn something.
I'm a fast learner and have taken many calculus classes.
I also am capable of learning from first hand experience, in which I have spent literally zero dollars on my vehicle with N2. I've also spent zero dollars on my vehicle without N2. but the fact remains, I did not have to fill up my N2 tires at any point in the last 2 years, where as my tires without N2 are constantly fluctuating with the weather outside and have been filled back up to the appropriate psi level twice in only a year.
I would never pay for someone to fill my tires with N2, but I would prefer they have N2.
I also had a truck with N2 that I had for 4 years recently. never filled the tires once. Never had an issue with loss of psi or the stupid low psi level warnings.
This post was edited on 12/27/17 at 10:10 am
Posted on 12/27/17 at 10:12 am to TeddyPadillac
I bought a car in November last year with plain air in the tires. I have not topped them off nor have my TPMS sensors gone off.
I see your anecdotal evidence and I raise you P*V=n*R*T
I see your anecdotal evidence and I raise you P*V=n*R*T
This post was edited on 12/27/17 at 10:13 am
Posted on 12/27/17 at 11:14 am to TigerstuckinMS
quote:
I see your anecdotal evidence and I raise you P*V=n*R*T
why do you bring up this formula to prove your point? explain to me how you think this is proving something.
Posted on 12/27/17 at 11:48 am to TigerstuckinMS
Whenever you are ready bitch.
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