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01-01-2001, 10:20 AM | #1 |
Registered Member
Join Date: Jul 1999
Location: Arlington, Tx
Posts: 10
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CAM VS EMISSIONS
Hey guys and gals, I see alot of posts about the different cams that people are running. My question is how are those of you running b,f,x303 cams or any other manufactuer passing emissions? I would like to move up to a more performance oriented cam, but do not see the e303 being worth the time to strip the motor and replace it. I live in the DFW metroplex and the testing is fairly strick, but I know there are places even more srtick than here. Just curious! Thanks for any info.
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01-01-2001, 04:56 PM | #2 |
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Join Date: Apr 1999
Location: chesapeake va.
Posts: 89
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Emission What's That? No Emission Test TO Pass in Va.
X303 cam and lovin it!!!!!! I beleive you can lean-out your engine by advancing the timing long enough to pass a emission test. Just a guess. |
01-02-2001, 04:09 AM | #3 |
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Join Date: Dec 2000
Location: Bay Area, California
Posts: 63
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Emissions tests are a real pain in the @ss, especially here in california. As you can tell from my signature my car will fail instantly because of various off road parts.
The whole smog dilemma was solved by giving the local guy a little bit of money and i passed no prob. But if you wish to try to cheat the system instead of bypassing it pour 4 or 5 bottles of isoprophenol (rubbing alcohol) in about a 1/4 tank of supreme and advance your timing as said above. The alcohol burns clean and it has some water in the solution as well. i have no idea of any possible reprocussions this may cause but it works. ------------------ 89 5.0 GT White w/Blue Racing Stripes K&N, 73mm Mass Air, Ported and Polished Stock Heads, E303 Cam, MAC equal Length Headers, Off Road H-Pipe, Borla Mufflers, Sway Bars, Strut Tower, Subframe Connectors, Eibach, Koni Adjustables, Pony 5 Stars, 1000 Watt JL Audio System |
01-02-2001, 06:23 PM | #4 |
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Join Date: Sep 1998
Posts: 495
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As long as your not real aggressive & run the cats you should be OK. The test here in Indiana & I got through no problem with a 331 stroker & .544/.554 222/230@.050 cam.
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01-03-2001, 01:44 PM | #5 |
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Posts: n/a
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cams are for fast and emmisions testing is for slow.
------------------ 67 Fastback - Arctic White Pearl paint 351W 415 hp, Trick Flow Alum. Heads, C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars. |
01-03-2001, 02:52 PM | #6 |
Registered Member
Join Date: Nov 2000
Location: INDIO CA USA
Posts: 141
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I don't pass for sh!t!!! We have one of the hardest tests here in N.J. I tell the pigs...
Hey I built it i'm drivin it!!! ------------------ 88 NOTCH DSS 331CI C-4 BRAKE 4:10'S 11.5-1 DART IRON HEADS X-CAM 1.7 ROCKERS 8PT. CAGE BEST 10.9@125MPH 100% STREETALBE TO ME!!! |
01-04-2001, 01:36 PM | #7 |
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Join Date: Dec 1998
Location: London, Ontario, Canada
Posts: 1,349
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Any overlap will kill emissions (need more lsa)... so this limits the duration as well (or you'll just kill your cylinder pressure).
Lift is good. Some 1.7 roller rockers might work for ya. The e-cam/crane 2040 is just on the edge of passing (fms lobes are too aggressive, and there's a long advertised duration). The crane 2030/2031 would be a better pick. Modest duration, 112lsa, and lots of lift. I'm not sure if they're certified... so no guarantees. |
01-04-2001, 09:06 PM | #8 |
Registered Member
Join Date: Sep 1998
Posts: 495
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All I can think is the Indiana test is nonsense. My car passes with a no emissions cam & was as clean as stock with a Crane 2040.
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06-08-2002, 12:51 AM | #9 |
Registered Member
Join Date: Jun 2002
Posts: 28
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hey tom351
real nice compliment about the smog issues!!! NOT
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