Emissions

[ride4lame]

I just bought a '90 Hatchback and it needs work on the motor. Long story short i wanna do the SR swap instead. Will the motor pass inspecitons?

[ride4lame]

oh yeah, i live in New Jersey if that helps anyone. Thanks

[SpeedRacer1]

I really have too much time on my hands:

From the NJ MV Services:Inspection program details

To meet state and federal safety standards, MVS tests steering, suspension, horn, wipers, window glazing, lights, direction signals, red rear lights, mirrors, brakes and hazard signals and the catalytic converter.To meet federal Clean Air Act standards MVS inspects the vehicle's emissions by a licensed inspector.The test uses a dynamometer that allows the car to accelerate and the tires to spin without the vehicle actually moving. The inspector than tests the emissions with a probe as s/he accelerates the engine to 15 mph. A computer analyzes the emissions to reflect the car's make and model. http://www.state.nj.us/mvs/dm9...s.gif

[SpeedRacer1]

In other words, as far as I can tell it isnt illegal to have that engine and if it is running good with a catalytic converter on the car you should do fine. California is one of the only states that I know of where this swap is illegal and they should catch it on a visual inspection.

[Daunttless]

The engine is still illegal, its federal mandate because it doesn't have DOT or EPA approval. : ) However, so long as they just use the sniffer, they won't find out if you're running around stock boost and a good cat as Speed said. : ) However, if they inspect your car at all you're in trouble if they realize whats up. : )

Enjoy your day!

[ride4lame]

I am thinking a few hood pins should deter inspection station nazi's from looking under the hood. Thanks alot for the help.

[Daunttless]

I would think hood pins would make them more likely to look under your hood...

[ride4lame]

ok, if the silvia engines aren't legal(which makes sense) Why can importers like motorex offer Skylines that are US legal? Did DOT test them?I ma just curious if anyone knows

[Daunttless]

The reason that the Skyline price is double what it costs to import it is because they had to crash test, safety test, convert to US standards, EPA and DOT legalize and blah blah blah blah. : )

The Skyline engines aren't legal unless they're in a skyline. Also, Motorex is the only one who can legalize, and they can only legalize Skylines. : )

[EZcheese15]

ok, if the silvia engines aren't legal(which makes sense) Why can importers like motorex offer Skylines that are US legal? Did DOT test them?I ma just curious if anyone knows

Yup, you got it. Motorex had them DOT and EPA tested. In fact, they have to DOT and EPA test every single model that they sell. That's a test for every year and trim level that they sell.

But it's not just the testing, they also modify it. They have to have OBDII on 96+ models, certified cat's, and even things like bumper heights are checked and possibly modified before the skyline becomes legal.

[Daunttless]

They had to crash test them too. Maybe you should read my response before you post Torry. =P

:icesangel

[EZcheese15]

They had to crash test them too. Maybe you should read my response before you post Torry. =P

:icesangel

Me? Read? I don't understand the concept.

[rawphusion]

Ok the 1993 sx fastback has the KA engine in it. If you plan to upgrade to the SR engine series then you probally going to add a turbo. So my only concern is how can a automobile that produces a certain emissions reading make the same numbers with a more powerful engine as well as a turbo. This is one of the only things holding me back from getting my SR. Hate to throw money down the drain.

[Daunttless]

Well, yes, I'd assume a turbo comes with a SR20DET too. : )

The reason is because the engine is meant to meet basically the same standards as the KA24. Its all about how the engine burns the fuel and the cat that make the difference. At reasonable boost with a good quality cat you'll get the same squeeky clean reading. : ) Course, if they do anything other than a sniffer you're in trouble.

[ItzGenX]

I think he was trying to point out that in order to crash test AND be able to sell these things, they must destroy one before selling it. The only way to do this is for example:

They want to sell a 96' Skyline GT-R. Well in order to sell this, they will have to test and approve of it in every aspect. This means they will have to crash test the poor thing. There is no other way in doing it then finding another EXACT model to drive into the wall......

Keep in mind that for ever model, they must do this. Luckily after you go through so many Skylines, you would have done wrecked every single one of them, and they only need to do these test once per make & model.

[Daunttless]

Actually I"m pretty sure they have to do a side impact rating now two, which means crashing at least two of them. ; )

Also, Torry was just kidding. We're good friends and he knows, I just give him a hard time all the time so he tries to give me a hard time too. Only, he's not real bright. : ) Also see our thread about cutting a car in half to weigh it. ; )

[ItzGenX]

Also in some cases(I know people with turbo'd jspec honda's), you must not only turn the boost down and get a good new cat on there, but sometimes you gotta' get down and dirty by changing the timing a bit so you burn lean.

[rawphusion]

I understand the SR comes out of the 180 vs the 240 KA I was just thinking that a SR engine and turbo tuned to 400hp at the rear wheels would have to throw your emissions test numbers off. I mean even if they only do the sniffer won't the exhaust readings be high.

[ItzGenX]

LOL!! what ever do you mean by cutting it in half to weigh it? What's wrong with weighing it as a single car in ONE piece?

[ItzGenX]

I understand the SR comes out of the 180 vs the 240 KA I was just thinking that a SR engine and turbo tuned to 400hp at the rear wheels would have to throw your emissions test numbers off. I mean even if they only do the sniffer won't the exhaust readings be high.

That is where I can stress the "SOMETIMES" part of my other post that you will end up changing the timing of the vehicle to be really LEAN burning.

[Daunttless]

http://www.nissaninfiniticlub....=1727

: ) here I am trying to **** with the guy, and Torry ruins it for me.

The SR generally comes out of a Silvia, only the blacktop S13 comes out of the 180SX.

A generally stock SR20 with a good cat will pass the sniffer, it just fails everything else. : )

If you want a 400hp ANYTHING, emissions are the least of your concerns. : )

[rawphusion]

What are you talking about

Silvia SR Red TopStraighter intake portsBetter cooling system than 180sx black topSmall turbo T25

180sx / S13More curvy intake portsCooling channel pistons Good in stock condition to 450hp.Unreliable Cooling System

I mean with out a doubt you would have to upgrade the cat converter and also go with 2.5 or 3 exhaust pipe work.

However doesn't matter how much Hp the car makes if you can't drive it on the open road. So I quess you can kind of understand my concern. I'll have to look into this turning back the timming. Not sure what's that's going to do. I would think that would make the car run ruff__________________