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Can crower 403 LS cams pass smog ?

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Old Dec 6, 2006 | 12:46 PM
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Default Can crower 403 LS cams pass smog ?

Can they? The entire motor is stock, just a cat-back and the cams. Has anyone tried ? Results ?
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Old Dec 6, 2006 | 05:38 PM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

bump need to know.
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Old Dec 6, 2006 | 06:14 PM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

anything can pass with the correct smog shop
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Old Dec 6, 2006 | 10:22 PM
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Default Re: Can crower 403 LS cams pass smog ? (Racermech)

haha obviously, but i still need to know.
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Old Dec 6, 2006 | 11:58 PM
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Default Re: Can crower 403 LS cams pass smog ? (Racermech)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Racermech &raquo;</TD></TR><TR><TD CLASS="quote">anything can pass with the correct smog shop </TD></TR></TABLE> Please tell me more....
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Old Dec 7, 2006 | 02:18 PM
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Default Re: Can crower 403 LS cams pass smog ? (hazw8st)

anyone
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Old Dec 7, 2006 | 03:46 PM
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Default Re: Can crower 403 LS cams pass smog ? (hazw8st)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hazw8st &raquo;</TD></TR><TR><TD CLASS="quote"> Please tell me more....</TD></TR></TABLE>


you pay someone extra money and they do illegal smog.
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Old Dec 7, 2006 | 04:48 PM
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i doubt you can get 403s to pass cal. smog. personally, i would just return the engine to stock until you pass.
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Old Dec 7, 2006 | 05:11 PM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by redDAinteg &raquo;</TD></TR><TR><TD CLASS="quote">Can they? The entire motor is stock, just a cat-back and the cams. Has anyone tried ? Results ?</TD></TR></TABLE>

Well, the cams are internal, so they won't see them on a visual inspection. Theres a visual pass.

For testable emissions, you can certainly get the exhaust gasses clean enough to pass, especially with a good cat. Here's the rub, can you do it with stock timing? They'll check that. You're in Cali, if you have a 00 or newer car, they'll plug the obd2 ecu into their computer, so no chipped ecus passing in 00 or newer cars and you probably won't be clean enough on stock tune. And then there's the whole NOx issue. I know the GSR didn't have an EGR, and if you don't have one, and if those cams create higher compustion temps (my guess is yes, since they'll breath better), you'll never get the NOx levels down enough to pass.
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Old Dec 7, 2006 | 06:42 PM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

probably not if lift and duration are more than stock specs. not sure though because i don't have a b18b. if the difference from stock is minute than maybe. go get a pre-test.
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Old Dec 8, 2006 | 08:25 AM
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Default Re: Can crower 403 LS cams pass smog ? (dc2rtek)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dc2rtek &raquo;</TD></TR><TR><TD CLASS="quote">you pay someone extra money and they do illegal smog. </TD></TR></TABLE>

Ouch.....
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Old Dec 8, 2006 | 10:14 AM
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Default Re: Can crower 403 LS cams pass smog ? (hazw8st)

do you guys think it would be okay to try the first time with the cams? Then if I do fail, just come back for a retest with the cams removed. Should i do it ?
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Old Dec 8, 2006 | 11:18 AM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

Ya, for all they know, you just need a tune up. I bet you will pass if your idle is stock rpm and your cat is in good condition.
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Old Dec 8, 2006 | 08:56 PM
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Default Re: Can crower 403 LS cams pass smog ? (Sam92Teg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam92Teg &raquo;</TD></TR><TR><TD CLASS="quote">Ya, for all they know, you just need a tune up. I bet you will pass if your idle is stock rpm and your cat is in good condition.</TD></TR></TABLE>

Most definitely, give it a try, you have nothing to lose.
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Old Dec 8, 2006 | 09:43 PM
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Default Re: Can crower 403 LS cams pass smog ? (hazw8st)

if you can get those cams in there and tune ur car a little closer to 13-14 afr, then probably, since you arent really changing much besides adding more air to your engine, depending on how big these cams are, you are going to be leaning out more. are you planning on tuning at all? and not to bust *****, but are these cams big? and if so, why do you want them on a stock motor?
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Old Dec 8, 2006 | 10:43 PM
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not gonna pass
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Old Dec 9, 2006 | 08:33 AM
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Default Re: (spikehairboy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spikehairboy &raquo;</TD></TR><TR><TD CLASS="quote">not gonna pass</TD></TR></TABLE>

If the cams are the only performance variable, as long as the catalytic and all the emissions controls are intact and functional, you can tune around the cams.
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Old Dec 9, 2006 | 12:05 PM
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Default Re: (hazw8st)

My 95 ls is on regrinds and chipped ecu, not exactly sure about the lift and duration, but I passed smog through B.A.R.
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Old Dec 9, 2006 | 12:17 PM
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Default Re: (BigD3154)

Well the results are YOU CAN PASS with 403 cams in an LS. I just had my car smogged yesterday and it passed everything. And this is without the cams being tuned. This is stock ecu. The only other thing on the car was a catback.
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Old Dec 9, 2006 | 12:48 PM
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Default Re: (spikehairboy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spikehairboy &raquo;</TD></TR><TR><TD CLASS="quote">not gonna pass</TD></TR></TABLE> You were saying...
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Old Dec 17, 2006 | 09:50 AM
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Default Re: Can crower 403 LS cams pass smog ? (dc2rtek)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dc2rtek &raquo;</TD></TR><TR><TD CLASS="quote">you pay someone extra money and they do illegal smog. </TD></TR></TABLE>
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Old Dec 17, 2006 | 01:33 PM
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Default Re: Can crower 403 LS cams pass smog ? (redDAinteg)

with a set of adjustible cam timing gears you can make it pass with flying colours.

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