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Anybody know how "forgiving" smog sniffer tests are?

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Old Oct 18, 2007 | 11:23 PM
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Car: 91 RS
Engine: 350 TBI
Transmission: WC T5
Axle/Gears: 3.42 Posi
Anybody know how "forgiving" smog sniffer tests are?

Just curious how perfect an engine really has to be in order to pass the sniffer test. For example, assuming it still looks like the stock 305 and has all the required equipment, could say a mild-moderate 383 (lets say 350 RWHP), assuming the tune is dead on, pass within the limits?
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Old Oct 18, 2007 | 11:43 PM
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Car: '92 Z03
Engine: LSX
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Re: Anybody know how "forgiving" smog sniffer tests are?

Get your Ouija board ready
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Old Oct 18, 2007 | 11:52 PM
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From: bay area, CA
Car: 89 IROCZ
Engine: L98 4150 carb
Transmission: Transgo 700-r4
Axle/Gears: 10 bolt/3.23
Re: Anybody know how "forgiving" smog sniffer tests are?

I gave up trying to smog and staying legal, I pay a hefty price for my smogs now
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Old Oct 18, 2007 | 11:58 PM
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From: Antelope, CA
Car: 89 IrocZ/17 LS 1LE
Engine: 383/LGX
Transmission: 400/TR-3160
Axle/Gears: 3.08/3.27
Re: Anybody know how "forgiving" smog sniffer tests are?

Originally Posted by Darkshot
could say a mild-moderate 383 (lets say 350 RWHP), assuming the tune is dead on, pass within the limits?
yes
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Old Oct 19, 2007 | 09:20 PM
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From: Sac, CA
Car: '89 GTA
Axle/Gears: 3.27/9-bolt
Re: Anybody know how "forgiving" smog sniffer tests are?

3.492rs: I gave up trying to smog and staying legal, I pay a hefty price for my smogs now
Can I ask what price is that Mike? Just curious.

My car has all the proper emissions parts (minus the cat), a/m parts with CARB #'s and always passes the sniffer, but I always go through the hassle of having to add/remove the cat every 2 years and they always assign me a test only smog.

I'm done with the enhanced smog BS that has cost me so much $ over the years for parts and inspections.

I've recently purchased a PO BOX in a smog exempt county (less than an hour away) and eventually plan to register all 3 of my cars there, just to spite "the man".

I don't plan on doing anything radical with any of them, but just knowing that if/when I do the LS1 swap in the '88, or decide to mod the current LS1 or GTA with something unfavorable to CARB, they can eat it.
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Old Oct 20, 2007 | 10:32 AM
  #6  
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From: Arroyo Grande CA
Car: 87 IROC - 67 Camaro
Engine: 383 TPI - ZZ4 TPI
Transmission: 700R4 in both cars
Axle/Gears: 3.27 - 3.36 posi in both cars
Re: Anybody know how "forgiving" smog sniffer tests are?

OUTATIME GTA,
Out of curiousity would that county be Mariposa?
My son lives in Coarsegold (Madera County) and he told me about it, but we weren't sure.
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Old Oct 20, 2007 | 12:05 PM
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Car: 89 iroc-z 5.7tpi 350,
Engine: 5.7tpi 350,
Transmission: T-56
Re: Anybody know how "forgiving" smog sniffer tests are?

i said f u to sac county and said hello to toloumne county

i go up 2x a year collect mail and pay the bill when they ask i say im on tour in the army hahahaha
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Old Oct 20, 2007 | 12:05 PM
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From: Sac, CA
Car: '89 GTA
Axle/Gears: 3.27/9-bolt
Re: Anybody know how "forgiving" smog sniffer tests are?

I chose Amador, as it's much closer to me. Madera is one as well.

Keep in mind they still require a smog with change of ownership in CA, but that's it.

You can find the map, zip codes and all other pertinent info here:

http://www.smogcheck.ca.gov


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Old Nov 12, 2007 | 05:19 PM
  #9  
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From: bay area, CA
Re: Anybody know how "forgiving" smog sniffer tests are?

I also "live" in toulomne county. very nice place
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Old Nov 12, 2007 | 09:42 PM
  #10  
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From: Elk Grove, CA USA
Car: 92Z28,91Z28,91Z281LE,95ZR-1,08Z06
Engine: 406, 350, 305, 350, 427
Transmission: auto, auto, 5-speed, 6spd, 6 spd
Axle/Gears: all stock
Re: Anybody know how "forgiving" smog sniffer tests are?

not for long, CA is changing laws. More test is added to 95 and older vehicles. We now have to do EVAP test. Gold Shield Station can now test "Test Only" directed vehicles. They are also trying to eliminate those county. In other words, no matter where it's registered it will need to be smog.........because most of those people drive those cars in "Enhanced Area" ahhhhhh the beauty of being a smog tech.
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