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Nitrous Kits, Nitrous Oxide Systems N2O


 

Nitrous Oxide Kits

Nitrous oxide carries more oxygen to the engine, allowing for faster burning of the fuel and generating more power. At high temperatures, such as those found inside a firing cylinder, nitrous oxide breaks down into nitrogen and oxygen gas. This raises the partial pressure of oxygen in the gas mix above the level found in normal atmospheric air, and lets the fuel burn more efficiently.

Nitrous oxide is also incorrectly called 'NOS' among racers after one of the first companies to provide nitrous systems, Nitrous Oxide Systems. This is normally sounded out by letter ("en-oh-es") by pro mod drivers, although some pronounce it as a word (like "naws"). Today, there are several competing companies in the field, including ZEX, NOS, Nitrous Direct, Nitrous Express, and Nitrous Works.

Nitrous systems can increase power by 45% or more, depending on configuration, and are usually built in one or two stages. All Pro Mod cars and some Pro Steet cars use three stages, for additional power.

Fans can easily identify nitrous-equipped cars at the track by the fact that most will "purge" the delivery system prior to reaching the starting line. A separate electrically-operated valve is used to release air and gaseous nitrous oxide trapped in the delivery system. This brings liquid nitrous oxide all the way up through the plumbing from the storage tank to the solenoid valve or valves that will release it into the engine's intake tract. When the purge system is activated, one or more plumes of nitrous oxide will be visible for a moment as the liquid flashes to vapor as it is released. The purpose of a nitrous purge is to ensure that the correct amount of nitrous oxide is delivered the moment the system is activated - Air or gaseous nitrous oxide in the line will cause the car to "bog" for an instant until liquid nitrous oxide reaches the intake.

Dry Systems

In a "Dry" nitrous system, extra fuel required is introduced through the fuel injectors, keeping the upper intake dry of fuel. This property is what gives the "Dry" system its name. Fuel flow can be increased either by increasing the pressure in the fuel injection system, or by modifying the vehicles' computer to increase the time the fuel injectors remain open during the engine cycle. This is typically done by spraying nitrous past the MAF sensor (Mass Air Flow), which then sends a signal to the vehicles computer telling it that it sees colder denser air, and that more fuel is needed. This is typically not an exact method of adding fuel. Once additional fuel has been introduced, it can burn with the extra oxygen provided by the Nitrous, providing additional power.

Nitrous Oxide Systems

Wet Single-Point Systems

A "Wet Single-Point" nitrous system introduces the fuel and nitrous together, causing the upper intake to become wet with fuel, usually in a spray-bar plate. However, the intake must be designed for wet flow (for example, carburetors also require a wet flow intake), as distribution problems or intake backfires may result. Dry-flow intakes are designed to contain only air, which will travel through smaller pipes and tighter turns with less pressure, whereas Wet-flow intakes are designed to contain a mixture of fuel and air. "Wet" nitrous systems tend to produce more power than "Dry" systems, but are correspondingly more expensive and difficult to install.

Wet Multi-Point Systems

A "Wet Multi-Point" nitrous system introduces nitrous and fuel directly into each intake port on the engine. These systems are also known as directport nitrous systems. Normally, these systems combine nitrous and fuel through several nozzles similar in design to a "Wet Single-Point" nozzle, which mixes and meters the nitrous and fuel delivered to each cylinder individually, allowing each cylinder's nitrous/fuel ratio to be adjusted without affecting the other cylinders. Note that there are still several ways to introduce nitrous via a direct port system. There are several different types of nozzles and placements ranging from fogger nozzles that require you to drill and tap your manifold, to specialty direct port efi nozzles that fit into your fuel injector ports along with your fuel injectors.

Reference: wikipedia

Nitrous Kits Available on eBay

 for sale
Nitrous Kit NO RESERVE
$26.0


 for sale
DynoTune EFI Wet Nitrous Oxide Fogger Base Kit NEW NOS Nitrous Kit nos Nitrous
$179.0


 for sale
NOS 13768 Nitrous Jet Kit Pro Shot Pro Race Fogger Kits
$226.95


 for sale
ZEX 82087 LS1 LS2 LS6 HI OUTPUT WET Nitrous Kit 250 HP
$580.83


 for sale
nitrous express single fogger for import 4,6,8 cylinder efi kit
$150.0


 for sale
NOS 05029NOS Sneeky Pete Hidden Nitrous System Complete Kit w/10 oz. Bottle
$284.95


 for sale
ZEX 82011 Honda Acura Eclipse Dry Nitrous Kit Import
$506.83


 for sale
Nitrous Oxide Wet Kit LT1 LS1 LS2 LS3 NEW Complete kit NOS NX
$399.0


 for sale
Cold Fusion Nitrous Kit
$125.0


 for sale
Nitrous Oxide System Nos 4 Barrel 250Hp Installation / Replacement Kit
$44.99


 for sale
NOS 05029NOS Sneeky Pete Hidden Nitrous Oxide System Complete Kit w/10 oz Bottle
$312.08


 for sale
NOS/NITROUS/NX/ZEX/EDELBROCK/HOLLEY/ FULL THROTTLE MICROSWITCH+BRKT KIT #15640
$9.89


 for sale
Nitrous Outlet LT1 F-Body Plate Kit
$590.0


 for sale
NOS 07006 Sniper Universal EFI Wet Nitrous System Kit
$422.95


 for sale
ZEX 82175 Dual Outlet Nitrous Purge Kit Universal
$123.83


 for sale
Zex 82047 EFI Wet Nitrous System Kit
$582.8


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