I have been thinking of NOS for a while, and the fast and the furious has only made my itch worse. With a little research, I have found the ZEX kit seems to be the best. It is electronic, and uses actualy bottle pressure and the TPS to figure out exactly how much fuel must be added to ensure proper fuel to air ratio, also with this kit, there is no button to push, there is only a arming switch to turn on the system, once the system is armed, the NOS only kicks in when the car is at FULL THROTTLE. I like that because it will give you the power when you need it, and will prevent or at least minimize a situation where your car will run lean. I talked to The SHOW ZONE, a import tuner place arround here, and them seemed to think that a 50-75 shot in our car in that kit, will be fine, with almost no risk of damage to the engine. They said that cant gaurentee that nothing bad will happen, but if the kit is installed correctly, and you dont rag the car and abuse it, that out honda engine is basically bullit proof, and it should work fine and reliabley.

 

What happens when you have a voltage spike and the nitrous comes on at 1500.................

 

My NOS system works on the same principle, except I have a wet kit.

 

i was thinking about a nos kit too, but i want it cause of the button! its cool to have a button that says GO or something. plus, i wouldn't want to use it all the time (i drive at full throttle all the time)

 

What is the different between a dry kit and a wet kit? I'm a newbie about the the nos thing.

 

I'd like to know more about the pros and cons of NOS too

 

A "dry kit" means that the fuel required to make additional horsepower with nitrous will be delivered through the engine's fuel injectors. This is accomplished by increasing the fuel pressure to the injectors (adjustable fuel pressure regulator), and by using signaling the ECU to increase the pulse at the injectors. This type of nitrous system is called a "dry kit" because there is no fuel flowing through the upper portion of the intake manifold, which was never designed for fuel flow.

A "wet kit" injects nitrous and fuel into the intake tract of the engine. Rather than increasing fuel pressure and sending a modified signal to the fuel injectors (as with a dry kit), a supplementary fuel injector is used. There are 2 problems with this type of nitrous injection:

1. The upper portion of the intake manifold was not designed for "wet flow" (fuel). This can cause "puddling", or the accumulation of fuel in flat areas of the manifold. The result can be a severe leaning condition followed by a stream of fuel into the combustion chamber. The most common result is a nitrous backfire. A nitrous backfire is devastating to the engine. I've seen a mass airflow sensor blown through the hood of a Corvette.

2. The flow rate of nitrous is different than fuel. This results in a less than ideal mixture, and the possibility of leaning the engine. If a nitrous injected engine runs lean, the combustion temperatures become quite intense. The typical result is blown head gaskets and melted pistons.

I would suggest staying with a dry nitrous kit. A stock engine is very capable of handling a 50-75 horsepower shot without any further modifications.

Anything above 75 hp and you'll need to decrease the heat range of your spark plugs by 1-2 steps, decrease your spark plug gap by .005" - .010", and increase your fuel octane.

 

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