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Help passing emissions 84 z28

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Old May 3, 2011 | 12:08 AM
  #1  
Sickboy_84's Avatar
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Help passing emissions 84 z28

I have been trying to pass emissions some of my emissions Equipment has been eliminated when I first went through my hydrocarbons and co were high I changed the oil to a thicker viscosity added a no smoke formula changed plugs and wires as well as my pcv valve and added some fuel additive this cut all my readings more then half now I'm passing everything but hydrocarbons so I retarded my timing and leaned out my carb as much as possible and my co dropped to nearly nothing but my HC shot back up more then they originally were.... Now I'm stuck. I have people telling me to set my timing back to stock which is 4 degrees And I was also told by a friend who had the same problem to advance the timing and run a couple gallons of 85 fuel to get it through.... Any suggestions I'm pretty desperate and broke so the cheaper the better. Thanks
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Old May 3, 2011 | 01:04 AM
  #2  
weswisehart's Avatar
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From: Oglesby,TX
Car: 91 RS T-top
Axle/Gears: 3:42 fourth gen disk brake
Re: Help passing emissions 84 z28

Dude where do you live? That's a bunch of crap. I passed with no tail lights and a bald tire lol.
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Old May 3, 2011 | 10:06 AM
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Car: 88 Camaro Coupe - 99 Corvette
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Re: Help passing emissions 84 z28

except hes talking about emmisions... not safety
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Old May 3, 2011 | 10:58 AM
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weswisehart's Avatar
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From: Oglesby,TX
Car: 91 RS T-top
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Re: Help passing emissions 84 z28

I realize that. We don't have emissions here. I really wouldn't have thought they would do all that on a 84 either.
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Old May 4, 2011 | 04:47 PM
  #5  
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Re: Help passing emissions 84 z28

I live in dirty Delaware lol anything 79 an older here is admissions exempt so they still run the sniffer on my car....
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Old May 4, 2011 | 05:01 PM
  #6  
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From: Oradell, bergen county, new jersey
Car: 88 Camaro Coupe - 99 Corvette
Engine: 305TPI - LS1
Transmission: A4 - A4
Axle/Gears: 3:73 - 3:15
Re: Help passing emissions 84 z28

here in nj if its not registered as a historic (25 years and older) you still have to pass emmisions for the year the vehicle was made, they just did away with safety this year
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Old May 4, 2011 | 05:48 PM
  #7  
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From: Oregon
Car: 1991 Z28
Engine: L31-R 350 w/ EBL P4
Transmission: 700R4
Axle/Gears: 2.73
Re: Help passing emissions 84 z28

Originally Posted by Sickboy_84
I live in dirty Delaware lol anything 79 an older here is admissions exempt so they still run the sniffer on my car....
In Oregon if the car is model year 1975 or newer you get emissions.

As for your problem, I had the same problem. I couldn't get it to go through emissions. My guy was cool though and after the 6th time of trying to pass he put my engine in as a V6 and I passed first try.

Since that likely won't happen again, I found the program later on. Pretty much all of the vacuum lines on my car were lose or not on at all. Not to mention the EGR valve was the wrong one for the car and the vacuum lines going to it were too big for the ports. So I'd check your vacuum lines.
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Old May 4, 2011 | 05:53 PM
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From: LI, NY
Car: 1985 IROC-Z
Engine: 355
Transmission: T5
Axle/Gears: 3.42 10 Bolt Posi
Re: Help passing emissions 84 z28

You could have probably spend less money paying someone to give you a sticker, that what you spent trying to fix it.

1 out of 5 shops will sniff a different car that will pass for under 100$ in NY. Ive seen people buy safety stickers as well for under 50$.
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Old May 4, 2011 | 06:56 PM
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Re: Help passing emissions 84 z28

In de we don't get inspections at a shop it's done at the DMV by the state so it's kind of hard to find someone that works for the state that's willing to risk there job for some dude they don't know... I wish it was done at a shop because I would just pass myself since I work at one lol
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Old May 5, 2011 | 12:39 PM
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From: LI, NY
Car: 1985 IROC-Z
Engine: 355
Transmission: T5
Axle/Gears: 3.42 10 Bolt Posi
Re: Help passing emissions 84 z28

Originally Posted by Sickboy_84
In de we don't get inspections at a shop it's done at the DMV by the state so it's kind of hard to find someone that works for the state that's willing to risk there job for some dude they don't know... I wish it was done at a shop because I would just pass myself since I work at one lol
Well the state cerifies us here in ny, u have to pass a small course n test. They also send in rogue state cars too see if you are doing the right thing. Your not allowed to inspect you own vehicle, to avoid that type oof mentality.

Its not exactly as simple as, I work at a shop so I can inspect a vehicle. You need at least a years experiance with auto repairs not just work time in a shop, to even apply for a license. Once you get approved then pass the test then you can start inspecting vehicles. If you get caught doing something wrong there is a hefty fine for you yourself, your shop and a suspended liscense.
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Old May 6, 2011 | 04:53 PM
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Re: Help passing emissions 84 z28

Well what sucks is if I spend over 736 dollars on repairing it they will just exempt it and the county not even 45 minutes away from me is only 200 dollars lol
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Old May 6, 2011 | 05:12 PM
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Car: 1985 Z28
Engine: 355 4 Bolt main
Transmission: 700R4
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Re: Help passing emissions 84 z28

Damn, im in NY and i have an 85 Z. I took off all the emissions crap, have no cat, and still passed. Of course the guy doing the inspection is a good friend. Didnt hook anything up, just pretty much looked at the brakes, lights then talked about all of the 3rd gens he has owned. 20 dollars later i was done.
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Old May 6, 2011 | 07:12 PM
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From: Elwood, IN
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Re: Help passing emissions 84 z28

here in indiana....we have nothing!!!! :]!!!
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Old May 7, 2011 | 11:41 AM
  #14  
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From: LI, NY
Car: 1985 IROC-Z
Engine: 355
Transmission: T5
Axle/Gears: 3.42 10 Bolt Posi
Re: Help passing emissions 84 z28

Originally Posted by McNabb1911
Damn, im in NY and i have an 85 Z. I took off all the emissions crap, have no cat, and still passed. Of course the guy doing the inspection is a good friend. Didnt hook anything up, just pretty much looked at the brakes, lights then talked about all of the 3rd gens he has owned. 20 dollars later i was done.

New york requires only a safety inspection on cars 86' and older. So theres no special treatment or anything there.
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