>saw one of these the other day >this whole time I thought

>>13869807

Nitrogen in a DD is the snake oil equivalent for cars. Does absolutely nothing.

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>>13869823
I thought things like these were. Nitrogen is snake GAS

I thought it was supposed to stop your tire pressure from going down as much from the temperature

I was thinking about doing it just because Costco will do it for free if you're a customer

what happens if you fill it with methane?

>>13869910

They do

I don't have nitrogen in my tires and get a tire pressure light every cold morning in my car. My mom had nitrogen put in her 5th gen and never gets a tire pressure warning light cause her tire pressure never waivers that much.

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>>13869823
And your retarded

>>13869842
>>13869910
Nitrogen pressure isnt affected by temperature, and its molecules will not penetrate the sidewall of a tire like regular air does (which is what browns your sidewalls)

>inb4 bullshit, google it first please

>>13869945
Maybe if you changed your summer air to winter air you wouldn't have low pressure

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>>13870049

literally the dumbest shit I've ever read on 4chan

That is saying a lot

>>13870103
2meta2fury

>>13870103
>running summer air all year long
fucking pleb

>>13870141
I know, I can't believe people call think they know shit about cars when all they know is whatever jalopnik spews.

>summer air, cold weather
>larger, warmer air molecules force their way out

Alternatively
>winter air, warm weather
>smaller, colder air molecules make the tire shrink and force air out
It's basic fucking chemistry

>>13870141
>wanting gross cold winter air
my car runs on sunshine all year long

>>13869807

Mine came from the dealer that way.

> I sort of felt bad adjusting them with my pleb air compressor with only a filter and watertrap.

>>13870180
>It's basic fucking chemistry

Physics, actually.

>>13869957
>(which is what browns your sidewalls)
Wrong. Your sidewalls will brown regardless of the gas in your tires, because they will, you know, still oxidize ON THE OUTSIDE

>>13869807
Didn't have to touch that cap for 3 years after getting nitrogen

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>>13870180
>>larger, warmer air molecules force their way out
>>smaller, colder air molecules make the tire shrink and force air out

>>13870225
OBVIOUS JOKES ARENT BAIT

FUCKING KILL YOURSELF

HE'S CLEARLY JOKING AND HAVING FUN ABOUT UNMISTAKABLY ABSURD TOPICS

JESUS CHRIST REDDITORS FUCK OFF

The atmosphere is like 80% nitrogen already

>durr hurr oxygen goes through the tires
>atmosphere is 79% nitrogen alread
How about this? Overfill your tires with air, calculating the correct volume based on pressure and density, so that when all of the oxygen molecules have "left" you are left with pure nitrogen in your tires.

I personally fill my tires with 100% Oxygen.

Helium in tires lighten the vehicle.
Ranging from 5 - 15% depending on number of tires and weight of vehicle

>>13870695
>not putting Hydrogen in instead
fucking pussy

I just bought a 2010 Honda Insight Hybrid. It had green caps on the valve stems.

>>13870728
>hydrogen
>not acetylene
Are you even trying

>>13869910
nah i have it and it still goes up and down with the temps enough that it triggers the sensors. most tire shops that use it now will give you free nitrogen as long as you bought the tires from them and most dealers also give it free when you buy vehicles from them

personally i don't think it makes any difference but i still use it simply because i have my own nitrogen but if i had to run off to the dealer or wherever all the time i'd be changing to air

> You niggas even putting air in
> Not running solid tires

>not putting neon instead
>not having glowing tires

ISHYGDDT.

>>13870752
>Not running without wheels

>>13870767
>not running with a hover conversion

>>13870734
>implying acetylene is lighter than hydrogen.

>not putting in antifreeze
>not having increased traction

>>13870772
>Not running without a car

>>13870773
it was supposed to be a joke about trying to compress acetylene into the tire but apparently it didn't work

>>13870781
>not running

Lose some weight you fat fucks

>>13870789
>Not just never moving at all

>>13870797
>not moving the space around you

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>>13870800
I think you may be onto something...

>change tires
>they put nitrogen in them
>as air leaks, I put standard-as-shit air from a compressor in them
>green caps are still on them

The Costco where I had them installed literally would give you nitrogen for free, they didn't even care if you didn't purchase tires from them. I didn't, however, because lolgm coatings on the lips of the rims is starting to oxidize because previous owner was most likely a careless nigger and 3 out of tires leaks at the bad seal.

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>>13870787
I know. I just wanted to goad you.
>fill tires to 36psi
>hit a bump
>pic related

>>13869957

PURE nitrogen isn't affected by temperature, but you can't suck all the air out of a tire and ensure that you have 100% nitrogen inside it. You'd destroy the tire from the vacuum created.

Plus you'll still lose air when the wheel inevitably oxidizes from the air outside too.

That and the fact that the air you are breathing RIGHT NOW is 78% nitrogen means its already got a pretty heavy presence in the tire anyway.

Oh, and you aren't a fucking race car driver. You will literally NEVER be affected by a change of MAYBE, JUST MAYBE 5 PSI in your tires.

Stop shilling out for something that does NOTHING to positively affect the performance of your vehicle.

>>13870809
made me kek m8.
I once saw a video where a man used a cutting torch to seat a bead by putting some of the acetylene in a tire then lighting it with the torch. Needless to say it was pretty spooky.

>>13870855
>what is fuel economy

>>13870875
2stoopid4me

>>13870974

>What is a very insignificant gain

You'd save more of fuel by losing a few pounds, anon

>>13869807
i just paint my caps green

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>>13869823
I've only heard of it being used in giant dump trucks and land speed record attempts
>>13869807
I'm sure they must exert many tonnes of force on their tires just by changing lanes

Nitrogen filled tires have a few purposes, mostly its because nitrogen isn't flammable.

In race cars, should one crash, and a tire gets punctured, its air wont fuel a fire, should there be one.

By this reason alone its used in airplane tires, race cars, space shuttle, anything prone to crashing.

Otherwise nitrogen filled tires for regular use are completely useless.
Obviously the air we breathe, and fill the tires with is 80% nitrogen, the 20% of Oxygen and some traces gases wont harm the tire.
Its already exposed to that mixture on the outside.
Nitrogen molecule is very close in size to oxygen so it doesn't leak out.

There is literally no use to fill your tires with nitrogen, its all a scam.

>>13871257
I've never heard that one before

wouldn't the difference be negligible in a fire, seeing how the car is surrounded by an oxygen source?

>>13871277
https://www.youtube.com/watch?v=xEmusYLEO18

24 seconds.

Not much, but imagine a airplane tire exploding, or something else just as big.

>>13871294
https://www.youtube.com/watch?v=_6EtF-Ll4hM

30 seconds. Nascar tires are filled with nitrogen, and as you can see it didnt produce a fireball.

>>13869957
All matter is affected by temperature.

>>13869807
>People actually pay money for snake gas?

Often weather they want it or get it or not.

http://garagewire.co.uk/news/video-kwik-fit-apologises-unreservedly-following-bbc-investigation/

>>13871183
The average car exerts 25-30t per square meter all the time. If you have 200mm wide tires and drive 1km you have exerted over 825t of force through your wheels into the road, you clearly need the best gas you can put in there.

>>13869957
Nitrogen is most certainly affected by temperature. Unlike you, I have a mechanical engineering degree.

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>>13869807
Just make sure the air you put in your tire is dry. Moisture does a lot of damage/freaky things inside your tire.

>>13869807
My local tire shop offered to fill mine for free.
Move out of Jew Jersey.

>>13872242
this, its free at costco

>>13869807
It's not only lighter but keeps tire pressure from fluctuating due to temperature

>>13872354
Except it does, it's just slightly less significant.

http://www.tirerack.com/tires/tiretech/techpage.jsp?techid=191

>>13869957
>browns your sidewalls
Seriously.

What in flying fuck.

Nitrogen helps prevent dry-rotting. If you have a vehicle that isn't driven regularly, its good to have the tires filled with it to prolong the life of the tire.

>>13869807
Maybe if it was a superbike it would be acceptable to do but i could never see it being worth doing on a daily driver... the differences would never be noticed.

>>13872422
nitrogen is free pretty much everywhere i have gotten tires on my car in the last 10 years. Even if you dont get tires from them they will check and fill for free. If it is Free, and has a marginal positive increase in function, then it has infinite utility.

>>13870180
The warmer summer air will heat up the tire allowing more grip. It will also melt through snow and ice.

>>13872514
This t.b.h. (to be honest)

For a car on the street you'd have to be a legit moron to pay for nitrogen.

On a race car.. sure. Plenty use nitrogen, argon, and even other more exotic gases. But you have to be getting like 5psi+ increases in tire pressure to make it worth it.

ITT: EVERYBODY IS WRONG

The reason why they fill with nitrogen is so that there is no water vapour inside the tyre. Water steam expands your tyre whe nit gets warmer and from 'hot' tyres from driving.

YOU DO NOT need 100% nitrogen unless you drive a race where tyre patch and rolling resistence need to be calculated precisely.

yes,... i did a ctrl-f for "vapor" and "water" nothing come up besides this one: >>13870198

THE MORE YOU KNOW....

JEEZUS FUCK this thread gives me a headache.

TAKE YOUR SHIT TO b/.

>>13869910
thats exactly what its for.. except the air compressors don't filter out enough moisture which makes it useless.

>>13869807
> Not just putting the green cap on to look rich.

>>13869910
I just check my pressure every so often, and have a foot pump to put air back in the tires.

>>13869957
>and its molecules will not penetrate the sidewall of a tire like regular air does

[citation needed]. Air is 70% nitrogen. How does removing the oxygen and other bits magically stop it diffusing through the rubber?

>>13870049
You laugh, but I actually do have to add winter air to my tires. When the temperature goes from double figures to dipping below zero regularly, it needs a little more pressure.
Come spring, I need to check if it's leaked out sufficiently, or if it's over-pressured.

>>13871183
>land speed record attempts

Land speed record vehicles tend to have solid wheels. At the speeds they get up to, gas-filled tires would just melt. And since they run on slightly soft surfaces, solid wheels give stability.
And if you're running on thrust instead of traction, stability > grip.

>>13874448
nitrogen is dry..

>>13870049
I love you

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The red line is purely a suggestion.

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>>13870855
>but you can't suck all the air out of a tire and ensure that you have 100% nitrogen inside it

>>13870180
holy shit dude never learnt thermodynamics

>>13869957
>Nitrogen pressure isnt affected by temperature
No. Every material has some finite temperature-volume relationship.

>>13869957
>and its molecules will not penetrate the sidewall of a tire like regular air does
>regular air
>70% nitrogen

Also based on the electronic structure of O2 and N2, I would imagine that O2 would permeate rubber more slowly than N2, but I could be exactly wrong on that.

>>13874492
You're not too bad yourself, friendo

>>13874559
kek

>>13872421

Noooooo. Are you surrounding the outside of the tire with nitrogen too? Dry rot and oxidation on the wheel are BOTH caused by external sources.

>>13871347
Is that why your mom is so fat

>>13870684
Christ can you imagine what would happen in an accident?

>>13869926
not much in summer but you would have no pressure in winter

>>13872135
That's fucking awesome. But doesn't this discussion fall under chemistry?

>>13870103
>being this goddamned new

>>13876052
what is thermodynamics and fluid mechanics