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Old 04-30-2013, 10:36 PM   #1
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Smog

I have a 92 LX 5.0. In California. I just put a set of Flowmaster cat backs, BBK ceramic headers, BBK cold air intake, Cobra upper and lower, and a 70mm throttle body. I have the original H pipe and cats. My car failed smog for the first time in over 5 years. Any suggestions what I can do to make it smog legal?
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Old 04-30-2013, 11:43 PM   #2
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Good tune up... New plugs, cap and rotor. They sell this stuff at the parts stores you put in your gas to help out, think it is called GTP ( guaranteed to pass) or something. I have not personally tried it but may be worth researching and giving a try.
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Old 05-02-2013, 09:25 PM   #3
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Throw the stock pipe back on and run it through again, it should pass. Takes all of what like a half hour to swap it. I used to do the emissions day swap on my 95 Cobra from an O/R pipe to the stocker every 2 years. Kept the stock pipe hung up on the garage wall with duct tape over the pipes to keep critters out. Works like a champ.

A good tune up would also be in order and really beat the hell out of it on the way to the emissions test to blow out all the crud. Man I'm glad I don't live in CA. Here in NJ if you have an OBDII car all you do is plug into the computer and when it verifies there are no emissions codes they test your gas cap and visually check for cats. Done and done and fake cats work as well as real ones lol.
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Old 05-02-2013, 09:44 PM   #4
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Throw the stock pipe back on and run it through again, it should pass. Takes all of what like a half hour to swap it. I used to do the emissions day swap on my 95 Cobra from an O/R pipe to the stocker every 2 years. Kept the stock pipe hung up on the garage wall with duct tape over the pipes to keep critters out. Works like a champ.

A good tune up would also be in order and really beat the hell out of it on the way to the emissions test to blow out all the crud. Man I'm glad I don't live in CA. Here in NJ if you have an OBDII car all you do is plug into the computer and when it verifies there are no emissions codes they test your gas cap and visually check for cats. Done and done and fake cats work as well as real ones lol.
Emissions in Cali isn't that bad, just swap mid pipes and your good. I have O/R exhaust. Just don't get LTs. The laws are really easy to get around. Aside from tint almost everything about my car is illegal and cops don't even give me a glance while driving.
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Old 05-02-2013, 10:47 PM   #5
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What caused you to fail? The sniffer or visual? Superheat the cat!
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Old 05-02-2013, 11:01 PM   #6
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Quote:
Originally Posted by scottydsntknow
Throw the stock pipe back on and run it through again, it should pass. Takes all of what like a half hour to swap it. I used to do the emissions day swap on my 95 Cobra from an O/R pipe to the stocker every 2 years. Kept the stock pipe hung up on the garage wall with duct tape over the pipes to keep critters out. Works like a champ.

A good tune up would also be in order and really beat the hell out of it on the way to the emissions test to blow out all the crud. Man I'm glad I don't live in CA. Here in NJ if you have an OBDII car all you do is plug into the computer and when it verifies there are no emissions codes they test your gas cap and visually check for cats. Done and done and fake cats work as well as real ones lol.
He said he has the stock mid pipe with cats and failed.
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Old 05-02-2013, 11:06 PM   #7
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Did they tell you why it failed? He didn't state he had an off road midpipe
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Old 05-02-2013, 11:28 PM   #8
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Well the tester said the emissions passed but the timing failed. He said if I adjust the timing to the proper setting it will off set the emission and cause it to pass timing but fail emissions.

---------- Post added at 09:28 PM ---------- Previous post was at 09:26 PM ----------

All of my exhaust components is aftermarket except for the mid pipe. It's stock.
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Old 05-03-2013, 12:30 AM   #9
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That's retarded, if it passed the sniff test then there should be no point in failing, that's what smog was originally designed for, to make cars environmentally friendly.
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Old 05-03-2013, 09:45 AM   #10
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Yeah, we do emissions in El Paso to and I've never heard them say anything about timing. As long as you didn't have a code present like a dash light flashing and you passed the sniffer you were good to go. Sounds like he was just looking for a reason to fail you again.
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Old 05-03-2013, 11:58 AM   #11
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And it sounds stupid to assume that if timing was fixed then the emissions would fail. Only way to know is to fix the timing and re-check... If anything the emissions may be better.
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Old 05-03-2013, 01:27 PM   #12
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I would also recommend trying a different place.
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Old 05-03-2013, 07:48 PM   #13
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I recommend a different place as well. And how the hell do they even check the timing? Unless the guy had a timing gun on the thing he's lying to you.
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Old 05-03-2013, 08:35 PM   #14
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He was referring to the timing on the distributor.
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Old 05-03-2013, 09:01 PM   #15
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Yeah, I've never seen them hookup a machine to any of the plug wires or pull out a timing light..... That's weird.
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Old 05-04-2013, 07:50 PM   #16
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He was referring to the timing on the distributor.
So this guy knows by looking at the dizzy being rotated a little that the timing is off? Wow I hope that guy gets his jollies at work enough because ppl like that usually HATE their lives and take it out on ppl who they have power over. Like I said go somewhere else and get someone who isn't a complete ****** nozzle to do your inspection.
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Old 05-04-2013, 08:59 PM   #17
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Spoke to my mechanic at GTR in Rancho Cucamonga and he confirmed that my distributor is set at a degrees for high performance. He said the smog technician was correct. Setting the timing back to the stock degree should improve my chances at passing smog. Thanks for the info.
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Old 05-05-2013, 10:21 AM   #18
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That makes more sense, I'm not sure why the technician told you decreasing the timing would make you fail emissions. Let us know how it goes.
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Old 05-05-2013, 11:25 AM   #19
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If it passed the emissions test why would they care at all what your timing is set at?
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Old 05-05-2013, 11:33 AM   #20
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Good question.
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Old 06-19-2013, 11:33 AM   #21
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I had my distributor reset to the stock setting. My Stang passed smog with flying colors. FYI
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Old 06-22-2013, 03:53 PM   #22
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I had my distributor reset to the stock setting. My Stang passed smog with flying colors. FYI
Yay lol
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