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Nitrogen


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Can't see the point really.

The only benefit listed is that your tyres retain the pressure for longer. BUT, we're not talking hours here. If you inflate your tyres with normal air it takes ages for them to lose sufficient pressure to cause a problem, and normal air is available at every service station.

For the price of a nitrogen fill up you can buy a tyre pressure gauge and keep tabs on them yourself ( like you're supposed to anyway )

Rich

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at 1.53 a wheel and free refills what do you have to lose....

somehow, what if something happens and you need to fill up fast, can you use normal air as well?

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When you fill your tyres you are using compressed air.

Compressed air is atmospheric air.

Atmospheric air contains 79% Nitrogen!

If you want to spend £1.53 per tyre thinking you are using 100% Nitrogen then go ahead.

Don’t forget to buy your bottled Evian ‘tap water’ on the way out at £5 a litre!!!

What’s ‘Evian’ backwards??

:lol:

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That's the real puzzle about bottled water though. On the label it says that the water has been filtered through volcanic rock for 2000 years ( or something similar) . Then the label says 'Best Before July 2005' ???????

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That's the real puzzle about bottled water though. On the label it says that the water has been filtered through volcanic rock for 2000 years ( or something similar) . Then the label says 'Best Before July 2005'  ???????

the water that you drink, are you telling me that its 2000 years old as it traveled through some rocks?

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I like pure water - there's nothing better.

I particularly like it with a teaspoon of Nescafe in it and 2 sugars, Piping hot !

hehe

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That's the real puzzle about bottled water though. On the label it says that the water has been filtered through volcanic rock for 2000 years ( or something similar) . Then the label says 'Best Before July 2005'  ???????

Thats because every product sold as food or drink has to have a best before date! :thumbsup:

Its daft though! :yes:

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Back on topic though.....if the atmosphere is 79% nitrogen, then surely only 21% of the total air can escape through the tyre ( as the nitrogen won't, according to the link ).

SO if you're tyres are filled to 30psi and they lose everything but the nitrogen, you're still at 24psi....easily enough to get to a garage with.

The only benefit listed on the link that I can see as a positive is that the nitrogen prevents corrosion inside the wheel.

HOWEVER.......checking through TOC about alloy wheel problems and warranty claims it would appear that it's the outside that really needs protection !

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if the atmosphere is 79% nitrogen, then surely only 21% of the total air can escape through the tyre

Theoretically maybe? But the Oxygen (the remaining 20/21%) is mixed with the Nitrogen.

I can’t see how Nitrogen prevents corrosion unless the gas put in your tyre is filtered to remove any water vapour. Also making sure there is no water within the tyre valve when inflating (keep those dust caps on)

Would the change in temperature within the tyre/wheel (high speeds, and braking) cause a small amount of condensation?

To be honest, I think it’s a bit of a con.

Check your tyre pressures when you check your oil and I think we will be OK.

Save your money for fuel!

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What about filling the tyres with Helium? Or is that just a daft question.

Michael.

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HOWEVER.......checking through TOC about alloy wheel problems and warranty claims it would appear that it's the outside that really needs protection !

This is the case when the wheels are faulty.. i.e have a finnish that wasn't properly sealed or if it has been kerbed and the laquer is broken. In my line of work i see far more wheels that deteriorate from the inside out. especially on the "bead" (the bit of the wheel that is in contact with the tyre), maybe the reason for this is that the finnish on the inside of a lot of alloys (not all), is of a poorer quality.

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What about filling the tyres with Helium? Or is that just a daft question.

Michael.

Helium would escape through the rubber of the trye as it has helium has small molecules but nitrogen has larger molecules.

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nitrogen in your tyres is nothing more than snake oil in a ordinary car.

Get a decent tyre pressure guage.

Test your tyre pressures regularly, with the tyres stone cold.

no need for nitrogen ;)

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i agree with others

air is 79% nitrogen, which is near as damn as youll get it, messin around to get the other 20% is pretty worthless

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And if all but nitrogen leaks .. after about 5 "top ups" you'll be at 99% ..

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What about filling the tyres with Helium? Or is that just a daft question.

Michael.

Filling your tyres with helium would cause severe under and over steer and would affect braking and traction, going round traffic islands would be a nightmare

Reason? Filling your tyres with helium would make your car very light!

Remember the fairground balloons? If you got out of your car it would float away, the sky would be full of motors, unless you had a piece of string attached to it.

:lol: :D :lol: :D

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that was my thinking, rather than buying Carbon fibre stuff to lighten the car, just fill the tyres with helium! a light car with loads of power, makes sense? probably just daft though.

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helium reacts different under the heat and pressure in tyres as opposed to regular air and wouldnt be any good as said before

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And you'd never get the chance to drive it anyway. It'd always be a case of 'just one more Donald Duck Impression'

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