NITRO IN TYRES FOR YOUR SUBARU IMPREZA WRX STI CARS?



NITROGEN GAS IN TYRES ???

Do you know how many revolutions a tyre makes on a F1 car as it races around a circuit? How does 3000 sound to you?

Any steering input from the driver is transmitted to the road via these thin strips of rubber. At speeds of up to 360kph, one better hope that the tyres do not rupture or punture otherwise it will result in a hugh accident! This constant risk means that it is essential to make tyres as safe as possible and one way to do this is put NITROGEN in them.

Nitrogen is a very unreactive gas. if you fill a tyre with dry nitrogen gas, it is possible to predict how much it will expand as the tyre heats up from friction with the road.

Air on the other hand is unpredicatable. While its composition of nitrogen and oxygen is always the same, the amount of water which makes the expansion of air within the tyre very unpredictable. Using nitrogen gas in tyres will ensure that this expansion is more predictable and consistent.

If the pressure in a tyre is too high or too low, the steering and handling characteristic of the car will change invariably. For example if the pressure is too high, there will be loss of steering feel as the steering will feel lighter and all round grip will be reduced due to the reduced tyre/road contact surface.The tyre will also wear prematurely in the middle.

Too low a pressure and the steering will feel excessively heavy and this results in sluggish steering response. The tyre will also wear prematyrely at the sides.

Another important advantage is that nitrogen expands less than oxygen when heated which means that there is less chance of the tyre exploding during a fire. Tyres can explode with the force of a dynamite detonation and this increases the risk already faced by the driver and passengers. Water present in the air oxidises the rubber in tyres causing them to corrode. Over long periods, gas also diffuse out of the tiny pores found in rubber tyres. A nitrogen molecule is larger than an oxygen molecule. Therefore, nitrogen gas leaks out of the tyres three times slower than air.

A tyre filled with nitrogen will maintain the correct tyre pressure longer and this means that a tyre will maintain performance longer as a result of slower wear.



All in all, advantages of using nitrogen gas in passenger car and race car tyres outweigh the only disadvantages, which are price and availability

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