Emissions Trouble [Archive] - Chevelle Tech

: Emissions Trouble


CheZeppelinCorps
Jun 18th, 04, 2:26 AM
:mad: ok I have a 1972 Chevelle with a new 350 performance everything. The guy whom I bought the Chevelle obviously could not pass emissionce considering he used up all his temporary permits. I havent taken it in yet but everyone ive talked to said theres no way its going to pass. There is no cat converter on it and the exaust pipes end right before the back tires instead of running straight back. Is there a website that shows the federal emissions standards. I really dont know what the hell to do graemlins/angry.gif

MalibuJerry350
Jun 18th, 04, 8:38 AM
In NJ (Arizona is probably different), the vehicle MUST meet standards which were in effect at the date of manufacture. NJ has state-wide testing, but many parts of the country are different. You may also have "visual testing" for emission equipment which the car came with in 1972. The best thing to do is to check with the Motor Vehicle people, OR go to a testing facility and get the info there. Good luck!

CheZeppelinCorps
Jun 18th, 04, 6:30 PM
Thanks

CheZeppelinCorps
Jun 18th, 04, 6:31 PM
Do all cars have to have a Cat converter because mine doesnt have one at all.

d1_bradley
Jun 18th, 04, 7:18 PM
I think '74 or '75 was the first year that a converter appeared on vehicles. So it won't be a requirement on your '72. It will however need to pass visual and dyno testing, required on '67 and later.

From the website: http://www.adeq.state.az.us/environ/air/vei/tech.html

Steady State Loaded/Idle: This test is used for most 1967 through 1995 vehicles in Tucson and 1967 through 1980 models in Phoenix. The vehicle is tested at idle and (depending on vehicle class) at approximately 25 to 30 miles per hour. The results are shown in percent or parts per million.

Tampering: In addition to one of the above tests, a vehicle may undergo a visual inspection to determine the presence of certain emission control components as installed by the manufacturer. Inspection includes catalytic converter, operational air pump, positive crankcase ventilation system and evaporative control system. These inspections coupled with the evaporative system integrity (pressure) test constitute the tampering inspection.

Then there's this: Maybe an out clause for one time registration but you could never sell (in Phoenix)

http://www.adeq.state.az.us/environ/air/vei/fail.html

I think that a station will give you the requirements list. Its then up to you to make it pass. I wasn't even aware that you could transfer the title without testing.

CheZeppelinCorps
Jun 18th, 04, 7:36 PM
Thanks a lot, going to get everything taken care of tomarrow. smile.gif smile.gif :D graemlins/thumbsup.gif graemlins/thumbsup.gif graemlins/hurray.gif graemlins/hurray.gif graemlins/beers.gif

CheZeppelinCorps
Jun 18th, 04, 8:14 PM
1 more question. One of my friends said that I will fail the emissions test auromatically because my exhaust pipes end right before the back tires and it is considered a passenger area is this true, because I have seen other Chevelles with the same setup

Bill70
Jun 18th, 04, 10:49 PM
I just passed the AZ test on Wednesday. You have to pass an idle test and a cruise test. The limits are
Idle: 450 PPM HC, 5% CO
Cruise: 450 PPM HC, 3.75% CO.
They also verify that you have a gas cap. I believe they can reject you if they can't get to the tail pipes. If the exhaust exist out the side you're fine.

CheZeppelinCorps
Jun 19th, 04, 2:09 AM
Thanks thats a bigtime relief graemlins/hurray.gif

sinned
Jun 19th, 04, 6:32 PM
The tailpipes must exit the passenger area. On a chevelle they must go over the axle on an El Camino they must go to at least the area behind the drivers door. This has nothing to do with emissions testing though-just a vehicle code to eliminate CO from entering the cabin area.