Nitrous Oxide
Nitrous oxide was first discovered by hot rodders in the 1940’s, so we have got them to thank for a cheap and very effective way of gaining those elusive bhp gains. Crazy when you think that it is in fact laughing gas.
How nitrous oxide increases horsepower:
Nitrous is made up of 2 parts nitrogen and 1 part oxygen. When the nitrous is heated to a high temperature it breaks down which releases more oxygen, it is not just this oxygen which creates the extra power but the ability of this oxygen to burn more fuel. Burning more fuel creates higher cylinder pressures which is where most of the additional power is produced. Also when the nitrous oxide is jetted into the intake manifold it changes from a liquid into a gas which reduces the temperature of the nitrous to around minus 125 degrees which can cool the overall intake charge by up to 75 degrees, resulting in even more horsepower. The nitrogen that was also released during the process acts to dampen the increased cylinder pressures which leads to a controlled combustion process
Another use for nitrous oxide is to help to reduce turbo lag. When a large turbo is fitted, the turbine takes a long time to spin up, so fitting a nitrous kit to eliminate turbo lag is a good idea, this gives instant power allowing the turbo to spin up to speed and produce the required boost.
The prices for nitrous systems range from about £500 upto £1,000, which if you consider the performance gains you receive is quite a bargain.
Nitrous Oxide FAQ:
Will nitrous blow up my engine? - Nitrous oxide does have the potential to cause damage to an engine, but if it is fitted and operated properly it can provide safe and effective horsepower gains.
Is nitrous oxide legal? - Yes it is legal, but just as with any tuning modification you must make sure you inform your insurance company and obtain adequate cover.
|
