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Help pass smog

This is a discussion on Help pass smog within the General Help forums, part of the LSx Technical Help Section category; ...

  1. #1
    Member Rmaverickz28's Avatar
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    Help pass smog

    Hey all you ls guys out there maverick here, i am in Ca the smog is as harder to pass as trying to get date with eva longorea, I failed twice I got brand new slp long tubes ,Y-pipe and cats all brand new , when I had them installed I had Nick at Newtech Performance, put in new sparkplugs, and tune 335rwhp and 345rwtq bone stock ls1 with 69k!! Failed smog twice so far, first time his tech forgot to put on the houses for the air pump and egr, second time try to pass smog pass everything expect for 15MPH NO(419PPM MAX I hit 572PPM) and yes I ran amsoil fuel injectors clear, Then I called Nick, He told me about CRC Guaranteed to PassŪ Emissions Test Formula, I Went online and got mixed reviews, Nick look at my tune and sayed" Your tune is fine for smog closed loop blah blah" He said try the GTP stuff out all of his custmors use it with great sucess, anyone use this stuff out there?? I put it in my car yesterday and I plan on trying the smog test tomorow? Wish me luck will post on the outcome if someone out there use this stuff and failed please let me know if I fail again I just going to have Nick detune it back to Stock Smog it and tune it back, but I really dont have money for all that wish me luck

  2. #2
    1BADCHEVY bdub2145's Avatar
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    do you let it run while you are in line to get the cats as hot as possible ?

  3. #3
    Senior Member 98maro's Avatar
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    Are you doin the smog with longtube headers?
    That's the reason why you can't pass the smog.
    00 ss blk m6 " STOCK" strano springs, slp bilstein shocks, adj LCA, adj panhard bar, relocation brackets, 2 point SFCs welded,OEM zo6 rims black, magnaflow exhaust, CME exhaust,E/cutout, slp grille, custom front plate mount, HIDs, whistler mod, side moldings delete, slp air lid, ported and polished TB, strut tower brace, 3.73s gears, and some other parts to list!
    next to come,4.10s,ls7 clutch, ms3 or 228r cam, ported 243s, ls6 intake, ls6 oil pump. ls2 timing chain, longtube headers no cats, with a tune..
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    1BADCHEVY bdub2145's Avatar
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    hes right . how bad do you fail?

  5. #5
    Member Rmaverickz28's Avatar
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    Quote Originally Posted by bdub2145 View Post
    do you let it run while you are in line to get the cats as hot as possible ?
    You bet I am going to try to pass smog will post wants happens wish luck please last time passed everything but 15mph nox i was 153pph over the max
    Last edited by Rmaverickz28; 10-21-2010 at 03:45 PM.

  6. #6
    Senior Member clg82's Avatar
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    Quote Originally Posted by Rmaverickz28 View Post
    You bet I am going to try to pass smog will post wants happens wish luck please
    I'm almost positive you will fail the visual immediately because of the long tubes correct me if i'm wrong.......if i'm wrong i'm getting long tubes for christmas!
    2000 Arctic White trans am, ws6 hood, ws6 air box, slp lid, slp smooth bellows, slp loudmouth exhaust,shift kit, rebuilt trans, LS6 intake, 3.73 gears, Shaner S3 p/p throttle body, and a tune . SFC. C6 ZO6 rims 18" in back 17" in front. Drilled and slotted rotors.

  7. #7
    1BADCHEVY bdub2145's Avatar
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    well that sucks . all they do here on anything newer than 96 is plug in and make sure there isn't any codes .

  8. #8
    Senior Member 98maro's Avatar
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    There's no way to pass Cali smog with longtubes
    Visual test will fail.
    You just have to find the right place to go
    Kinda hard now cuz u fail twice

  9. #9
    Member Rmaverickz28's Avatar
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    Quote Originally Posted by clg82 View Post
    I'm almost positive you will fail the visual immediately because of the long tubes correct me if i'm wrong.......if i'm wrong i'm getting long tubes for christmas!
    you have to know the right people plus I have the gift of gabI said it was an slp edtion that how you stick it to the man The guy I took my car to tune it in said to try this CRC stuff I am about to put it in my tank and going to smog it and if failed going to tune it back to stock then smog it agian I way or another I am keep my long tubes and pass smog you see, CRC test comeing up in less then two hours from know will post whats happens
    Last edited by Rmaverickz28; 10-21-2010 at 03:54 PM.

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    She Moderator KahanaReef's Avatar
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    Quote Originally Posted by Rmaverickz28 View Post
    you have to know the right people plus I have the gift of gabI said it was an slp edtion that how you stick it to the man The guy I took my car to tune it in said to try this CRC stuff I am about to put it in my tank and going to smog it and if failed going to tune it back to stock then smog it agian I way or another I am keep my long tubes and pass smog you see, CRC test comeing up in less then two hours from know will post whats happens


    You're not going to pass with LT headers in CA. CRC won't help with that either.

    If you plan on keeping those headers, you're gonna have to 'find that right person' cuz, you ain't passing smog without knowing one. I gave up looking myself. I've come to the conclusion that until I can move out of this state, I'm just going to have to do without headers.

  11. #11
    Member Rmaverickz28's Avatar
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    Quote Originally Posted by KahanaReef View Post


    You're not going to pass with LT headers in CA. CRC won't help with that either.

    If you plan on keeping those headers, you're gonna have to 'find that right person' cuz, you ain't passing smog without knowing one. I gave up looking myself. I've come to the conclusion that until I can move out of this state, I'm just going to have to do without headers.
    have you tred crc???

  12. #12
    Member zeetwentyeight's Avatar
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    Are they not running obd2 test? or are they putting sniffers in your tail pipes?
    if obd2 you should pass if there not performing there visual inspections

  13. #13
    She Moderator KahanaReef's Avatar
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    Quote Originally Posted by Rmaverickz28 View Post
    have you tred crc???
    No. I don't use fuel additives.

    Every time I have to get a smog, they run the mirror along the underside of my car. Unless you get some really cool smog guy, LT's aren't gonna pass.

    I do wish you luck though. I guess you've gotta try.

  14. #14
    Member c5z28's Avatar
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    He almost never does closed loop.
    Before some of the older cars were smog exempt we used methanol to get the ppm down. It's been a while so if you look up that old trick I'm sure somewhere the rough mixture will be posted.

  15. #15
    1BADCHEVY bdub2145's Avatar
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    yeah sometimes we can sneak one by using alcohol in the tank also.

  16. #16
    Member Rmaverickz28's Avatar
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    Quote Originally Posted by bdub2145 View Post
    yeah sometimes we can sneak one by using alcohol in the tank also.
    OK guys I know LT In CA visual is no good I GET IT, I passed visual I just did ok, I tryed that CRC CRAP and I failed whorse that before, I was thinking of running 100 ortane , I asked NICK he said NO NO, he said come on in check the car out we going to check the o2senors and my vaules make sure there not bent I really dont have money either, I he says detune it wont help either methal come on please, I just 153ppm over the max I got nailed 3 times now next time I going to save up and pay some fockhead of but now i need help real tanable help please, last time I passed with midleths and the SES light on now what da fock!!!

    I was doing some homework on my cats they are 200 cells(slp) I thinking of getting 300 cells yeah that GTP stuff sucks made my emissions worse I hit 776ppm (nox)this time last time I hit 572 ppm the max is 419ppm, I dont think I have a bent vaule if i did I whould feel it if I change the cats I think I should be fine, I hope I dont need new 02 I really dont have money for any of these But My back is to the wall, Yeah yeah LT I know but guys I put cats on there to keep the hippes happy but that not good enough becuase it move the cat feather back...
    Last edited by Cutlass; 10-22-2010 at 06:37 PM. Reason: removed rant

  17. #17
    Moderator Cutlass's Avatar
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    Maybe you can throw the stock manifolds(or your midlengths) and y-pipe/cats just to pass, then take 'em back off and reinstall your headers.

  18. #18
    Member 20ws6speed01's Avatar
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    move out of Cal...LOL...

  19. #19
    Senior Member JayTA98's Avatar
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    lol we are lucky here in FL that we don't have inspections. I'm devating if i should do headers in the future or not. I have a feeling they will do inspections here one day. Is all about making money... it kinda sucks. Good Luck to you !

  20. #20
    Auto Painter RyanJM's Avatar
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    It.must suck in California. In tx I found a place that doesn't do visual inspection they just plug into the obd2 and if it passes the computer test you get a sticker. I have qtp lt's and no cats with the rear 02's deleted and pass every year. Just remember when you find a food place and guy who does pass you always tip at least a $20 it helps them remember you next.time.
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