Earlier I went out with my buddy to talk to a Honda guy that wanted to race my friend's S12 on the track his with his Civic with a b16 on nitrous, first of all this guy is a complete moron, he was saying that Hondas are better than Nissans in every way besides drifting, I automatically knew that he was an ignorant retard but I was not going to stand there and argue with him about Hondas Vs Nissans, so I just asked him if he had any type of forced induction, he said yes, Nitrous, :confused: , I told him that nitrous is not a form of forced induction and he wanted to argue about that too, so I just told him that he was a moron and I went home, Now this created a small doubt in my mind, so I decided to ask you guys because I know there is people with a lot of knowledge on this forum, and I will take to the bank whatever you guys tell me, Nitrous, forced induction or not?

yes ..

Most people will say yes. I like to use the term POWER ADDER.

I think power adder is definetly a better definition than air forced induction

Nitrous is not forced induction (it doesn't create positive pressure in the manifold).

It is typically classed as a form of forced induction / power adder in most types of racing where it is used.

Nitrous is not forced induction (it doesn't create positive pressure in the manifold).

It is typically classed as a form of forced induction / power adder in most types of racing where it is used.

That is exactly what I mean after the pressurized air builts up inside the TB, the air is forced down to the cylinders by the incoming.

Unlike sc's and turbos nitrous does not create such pressure.

I vote power adder. And you should have just told him, "Where's your forced induction when the tank is empty?"

yes.


its is considered forced induction, but power adder is a better way to describe it.

I vote power adder. And you should have just told him, "Where's your forced induction when the tank is empty?"

this guy is a moron he wouldn't understand his brain is infected with Hondatitis, one of his friends even said that nitrous was forced induction because its pressurized inside the tank, trust me these people are stupid.

yes.


its is considered forced induction, but power adder is a better way to describe it.

I agree is a power adder but
why is it considered forced induction?

Quite a number of times sheets, record sheets have the catagories NA, Forced and Nitrous. Or on a Y&N format the nitorus is in a completely different catagory to forced. Just some food for thought.

Forced induction.

It seems like everybody that says that nitrous is not forced induction has something to say to support their answer, and everybody that says that nitrous is forced induction does not. I wonder why.

It seems like everybody that says that nitrous is not forced induction has something to say to support their answer, and everybody that says that nitrous is forced induction does not. I wonder why.

I say forced induction.

Since there is no definition of "induction" that I can find related to mechanics, I'll formulate my argument without it.

I understand those who don't consider nitrous injection to be a form of forced induction. The thinking being that since the intake charge is not pressurized, there is no "forcing" of the intake charge, only a "drawing in" of air by the pumping action of the engine.

What if you ran an intercooler with a liquid oxygen sprayer (stick with me here) that managed to liquefy, or massively reduce the volume of the incoming charge air to the point where no positive pressure is being created? Not only that, but the pressure is equal to that in a typical N/A engine. Would this be considered forced induction, or no? I'd say yes. Just because the pressure is not high, does not mean you're no forcing more air into the induction process than a naturally aspirated car. The transition to nitrous injection is clear. The fact that a system uses a pressurized tank instead of an air pump to force air into the cylinder should not matter, nor should the pressures involved. You are still forcing air, regardless of overall intake pressure.

I'm just wondering - if you hook up a boost gauge, does the pressure change when nitrous is applied?

All in all it's just terminology - It's not a big deal.

I'm just wondering - if you hook up a boost gauge, does the pressure change when nitrous is applied?

All in all it's just terminology - It's not a big deal.

Exactly! Is there even a smidgen of positive pressure being created? Isn't the basic purpose of N2O to super cool the charge temps? Colder temps = more dense air charge, which increases power?

I'm pretty much a noob when it comes to n2o, but I thought that's how it worked?

I'm pretty much a noob when it comes to n2o

It shows.

Yes, an after effect of nitrous oxide injection is a cool/denser intake charge. So, no, there's no way pressure will rise when nitrous oxide is injected.

By the way, I'm saying "nitrous oxide" instead of "nitrous" because "nitrous" is a misnomer. When you inject nitrous oxide, you're interested in the oxygen atom of the molecule N2O. Someone had the bright idea of spraying liquid oxygen into an engine as a way of getting more air into the cylinder. Someone else had the bright idea of using the much more stable N2O molecule, as it isn't prone to turn a tiny fire into a metal melting inferno.

Nitrous oxide injection 101 right there.

"Two of the commonly used forced induction technologies are turbochargers and superchargers. They differ primarily in the power source for the compressor. It should be noted that there is a difference between forced induction and power adders. A power adder is anything that improves an engine's power output, which does not necessarily mean increasing charge density. Oxidizing technologies such as nitrous oxide injection systems provide improved power, but are not a form of forced induction." Wikipedia

http://en.wikipedia.org/wiki/Forced_induction

N2O is no way forced injection.. it's just higer quality air, it has bore oxygen than normal air. and that the basis of n2o. It doesnt force any air.

Forced induction( pressurizes the atmospheric air), takes air from the atm and compresses it thus more oxygen per volume.

n2o just supplies air with more oxygen thus more oxygen per volume but with out the added pressure


N20 is not forced unduction, for those that want to argue go ask ur chem teacher

Nitrous is forced induction.

"When you heat nitrous oxide to about 570 degrees F (~300 C), it splits into oxygen and nitrogen. So the injection of nitrous oxide into an engine means that more oxygen is available during combustion. Because you have more oxygen, you can also inject more fuel, allowing the same engine to produce more power. Nitrous oxide is one of the simplest ways to provide a significant horsepower boost to any gasoline engine.

Nitrous oxide has another effect that improves performance even more. When it vaporizes, nitrous oxide provides a significant cooling effect on the intake air. When you reduce the intake air temperature, you increase the air's density, and this provides even more oxygen inside the cylinder."

You are increasing cylinder pressure, therefore it is forced induction.