Just generally I mean.

Reason for asking, Last night a few freinds who think they know everything about cars ganged up on me saying it was.

Just want to prove them wrong...

 

I think a lot of the answers you'll get will be opinion.

www.m-w.com defines aspirated:


So let's assume "n/a" (Naturally Aspirated) is the natural drawing in of air and/or fuel, by the suction of the motor itself. By this "textbook" definition, you could argue either way, since

Arguement A: Nitrous is sucked through the intake therefore it could still be "n/a".

Arguement B: Nitrous is plumbed into intakes and sprayed at high pressure, and is forced inside the motor.

I don't personally know about NHRA rules (or any other racing assoc. rules) enough to say what they consider it. I'm sure one of the other members of this board will know.

 

No...anyone who says it is needs to castrate themselves immediately to avoid contaminating the gene pool in the future.

 

yeah no kidding nic!

if it's a power adder i wouldn't say it's naturally aspirated especially when the NO2 chemically changes the fuel air mixture into a more easier burnable mixture. when i think of N/A i think of just gas no NOS.

 

It's naturally aspirated... until you hit the button....

I would take naturally aspriated to mean aspirated naturally.

Spraying nitrous into your engine as an oxygen provider is not the natural way your engine breathes.

 

i dont consider nitrous being used as N/A, its a power adder as far as i am concerned.

 

you might want to ask some one on the dragracing biard, im sure someone on there would be able to tell you the NHRA definition of it

in my opinion it is a power adderso no longer N/A

 

I think the NHRA/IHRA have better things to do than debate over whether nitrous is considered being naturally aspirated or not.

See my previous post.

 

i am sure its in there, there are classes as far as i know that only allow one adder so at one pint they had to consider the question, i was just trying to give my input about it so he could have a good answer, i know it is a power adder so the car would nolonger be N/A

i was just giving him another source

 

In that case, just for the record...yea, they do consider it to be a power adder. Anyone with half a brain cell does

 

nic, sorry of i sounded ticked last time


thats what i was trying to say the firs time was that it is considered a power adder
i just used a bunch of words

 

no apology necessary...it's 1 am, I'm bored, still trying to recover from a hangover, and cranky so I might be a little rude tonight.

 

lol, i feel ya im s tired right now i dont know why im up

 

I finally passed out for about 2 hours around 4:30 this afternoon...got just enough sleep that I'm not ready for bed but not enough that I woke up feeling any better

 

Are motors using N20, N/A you ask. NO!

 

Wow, these guys you talked to must have complete idiots. Who would think using nitrous is N/A... Do the words FORCED induction mean anything to them?

 

i agree with the mustang guy.

 

lmfao

 

Nitrous, Superchargers and Turbos are all considered power adders... so if you used them, you are not N/A

N/A generally means its all motor, no laughing gas, no blower, no turbo.

 

Technically, "naturally aspirated" means that the engine gets air through the vaccuum created when any given piston moves downward on it's intake stroke. There is a way to measure how well an engine does this, and the term used to define it is called volumetric efficiency. Forced induction engines, wether turbocharged or superchanged, 'force-feed' more air into the motor than the motor would be able to ingest on it's own, and thus increases it's volumetric effieciency. Nitrous does not change how much air gets into the motor, it simply makes the air going into the motor more oxygen-rich, which allows you to burn more fuel, and make more power. Nitromethane-powered cars work on the same principle, but instead of shooting more oxygen into the incoming air, nitromethane contains it's own oxygen in it's chemical composition. But, in everyday comparison, N2O is lumped in the same "power-adder"group as turbo- or supercharging. This is where the term 'all motor' comes into play. While a nitrous-equipped motor is still naturally aspirated, it is no longer "all-motor", meaning you are assisting the engine in it's quest to burn more fuel.

 

Look at ram air. That is a power adder (ever so slightly) and it is a form of forced induction, yet we all would call it N/A.

No doubt that NOS is a power adder, but it kinda defines its own category for forced induction. The engine still has to draw the N2O thru a pressure differential, hence the thought that it is still a N/A system. With that thought, NOS is not forced induction, but it is a power adder.

 

naturally

\Nat"u*ral*ly\, adv. In a natural manner or way; according to the usual course of things; spontaneously.


Aspiration (aspirated)

2. The act of breathing; a breath; an inspiration
3. The act of aspiring of a ardently desiring; strong wish; high desire. ``Aspirations after virtue.'' --Johnson
*****

www.dictionary.com

*****

An engine is a mechanical (and chemical) chain reaction. Its in harmony with itself. This is why timing is so important, to preserve the balance of things. The engine only makes XXX hp and XXX tq because it cannot make more (or less) without disturbing its internal balance. When you increase a factor. (aka o2 levels) you must also increase fuel or you mess up the balance of things. Is NOS n/a? well first you must decide if driving in a pure oxygen enviroment (lets say we have a massive hopsital room turned into a race track with almost pure oxygen everywhere). And the engine is breathing this air will this also be N/A? I would say the difference is they the "normal" car isnt juiced. And therefore the "normal" car isnt breathing such pure air. Therefore, someone juicing his/her ride is not N/A. Unless he/she is in a full No2 atmosphere. In which case, all the other cars would be naturally (or normally, for we design these cars) running Nos.

Another interpretation would be are you adding anything to the car that would not be there from factory? Upgrading the heads so long as they are similar in design, but just flow better. Or in the least nothing redical is changed, its still fundimentally the same. Thats still N/A. because the heads, or something very similar to them was there from factory. But this works on the "normal" principle. If this car was mass produced with turbo's then its normal for it to have turbo's. Removing them would be altering its N/A status. But we, society today do not consider this point of view. Generally, anything we do to add more o2 to the engine outside of the confines improving airflow (porting and polishing doesnt add flow, it just removed resistance, the flow was always there, it was simply being restrained) Is considered no longer N/A,

Nos is not N/A. Turbines in any form is not N/A (turbo's, superchargers, electric-chargers. gas-powered external chargers , blowing hard into a straw ect...) Ram air is, because your not doing anytihng that isnt already there, your redirecting air that would otherwise go around the car, in to the car. For eg, at 50mph air is traveling around the car at 50mph, just because you put a ram air doesnt change that fact, your just redirecting the flow by removing the resistance (sometimes total resistance, like a bumper. which allows NO air to flow directly)

In short, do whatever the h*eck you want.

 

only hicks say "nitrous is N/A"

only grampa say "nitrous is cheating"

 

I say nitrous is 'chemical supercharging'. Adding a chemical to the intake is not NA.