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Author
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Topic: any problem passing smog with 4.10's?
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blackmagic02GT
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Member # 1786
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posted
 
 
wondering if I will have a problem with smog on the new dyno style smog machine since I have 4.10's now. the speed won't match the rpm's they are looking for in 1st and 2nd gear now. anyone done it and can tell us your experiences? thanks Ray
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2002 GT Stone stock 14.02 @ 99mph
steeda u/d pullies, k/n filter, 4.10's 13.70 @ 102mph
in garage: steeda t/a, NX wet kit and cobra R rims
Posts: 69 | From: Roseville | Registered: Sep 2002
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90 Stang5.0
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Member # 2710
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posted
![[patriot]](graemlins/patriot.gif)
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"Keep Your Friends Close But Keep Your Enemies Closer"
Posts: 130 | From: NOR CAL | Registered: Apr 2003
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blackmagic02GT
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Member # 1786
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posted
anybody smogged on the rollers with 4.10's? Ray
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2002 GT Stone stock 14.02 @ 99mph
steeda u/d pullies, k/n filter, 4.10's 13.70 @ 102mph
in garage: steeda t/a, NX wet kit and cobra R rims
Posts: 69 | From: Roseville | Registered: Sep 2002
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Drew B
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Member # 698
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posted
im sure its fine take your car and have them do a runing test on it see what happens.
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AKA.GR40coupe
Posts: 1992 | From: Nor-cal | Registered: Jan 2002
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jmcclesk
Moderator
Member # 1355
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posted
the machine will abort the test if you can not stay in the correct gear at the correct rpm. then they will refer you to the referee good luck
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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91 5.0
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Member # 1527
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posted
quote:
Originally posted by jmcclesk:
the machine will abort the test if you can not stay in the correct gear at the correct rpm. then they will refer you to the referee good luck
OMFG!! are you serious? we are all fuckin screwed!! what a bunch of BS!
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02 GT - Zinc Yellow
91 5.0 LX - Red
Posts: 1316 | From: Fairfield | Registered: Jul 2002
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jmcclesk
Moderator
Member # 1355
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posted
yes I am.
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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RTornio
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Member # 2289
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posted
Dunno if it will really matter too much.. you can keep the car in whatever gear you want, so long as the speed stays at what the machine is looking for. Good luck either way...
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Current Rides:
2014 Lexus IS250 FSport
2007 Toyota Tundra SR5 5.7 TRD 4x4
2010 Toyota Sienna Limited
1988 Ford Mustang GT 306ci
Posts: 220 | From: Fremont, Ca | Registered: Jan 2003
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jmcclesk
Moderator
Member # 1355
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posted
The tas machine prompts you which gear to choose. yes the somg tech can put in say 3rd when the machine says run the test in second. With the fines that the bar is handing out i wouldnt do it.
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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The Nick
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Member # 2244
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posted
So as long as the speedo reads correctly, its ok? Time for that speedo gear I guess.
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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jmcclesk
Moderator
Member # 1355
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posted
No the machine has its own speedo.
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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The Nick
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Member # 2244
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posted
So then I don't understand what the problem is? Can you explain why its a problem to have a different set of gears out back then? I'm confused now.
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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66 AC COBRA
Nitrous King
Member # 904
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posted
to stay in the right gear at the right mph, ur rpms will be higher becuase of the steeper gears, thus increasing ur smog
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FFR AC Cobra
72 Vega - WCHRA Extreme 10.5
Posts: 6280 | From: Winters | Registered: Feb 2002
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The Nick
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Member # 2244
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Ah... I see. So with a lower gear set, it'd be easier to pass? How about if I tossed in some like 2.73s and pass with flying colors? MPS has used 2.73s for like $50.
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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The Nick
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Member # 2244
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posted
Would you mind posting up your modifications?
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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BOUNTY HUNTER VERT
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Member # 2754
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posted
When it hit the smog rollers it had a c/l 80mm maf 19lb injectors rebuilt 306 with 9.0-1 cobra intake hog ported gt40 irons e303 cam 1.7 rockers anderson 1 3/4 shorties (with jba carb eo tack welded on lol) bassani x pipe 70m tb 373 gears wc t5 fms aluminum driveshaft no ac or ps. smog pump and lines intact 8 degrees of timing 37psi fuel press with vaccum line off. The smog tech told me that he was suprised by how clean the car ran.
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89 Saleen vert Bounty Hunter racing
http://www.corral.net/photopost/showphoto.php?photo=1324&papass=&sort=1&size=medium&thecat=
Its all stock and slow wanna run.
Posts: 899 | From: ca | Registered: Apr 2003
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The Nick
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Member # 2244
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I see... thanks. I'm gonna have to smog my car in a month or two and I'm worried as you can see. I've got 4.10s but this is on T5 5.0, not a modular. Even worse... My set up is all TFS, with 24#ers. I need to put the stock catted H-pipe back on for sure, but I hope the cam passes.
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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The Nick
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Member # 2244
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posted
sounds good! lol
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Fast, Cheap or Reliable. Pick two and live with it.
Posts: 1215 | From: The Delta | Registered: Dec 2002
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jmcclesk
Moderator
Member # 1355
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posted
You can always use a taller tire to fool the machine. bounty hunter vert what size were the tires you had on when you tested the car. I am not saying the car wont pass a lot of things are left up to the smog tech.
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Ford trained ASE master tech.
Posts: 4024 | From: marrysville | Registered: May 2002
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THE King Cobra
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Member # 2011
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posted
So with this whole new law going into affect, would you recommend I still be cool, with getting long tube headers? And of course trying to find a high flow x-pipe?
OR
Can i get long tubes and off-road x-pipe and see who i can pay under the table to pass me???
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RPM Racing Team
-96 Cobra. HCI MOTORSPORTS block
-More cops in the family = more write-offs
508 RWHP @10.0lbs @6100 RPM..wait till I hit 8K RPM's
Posts: 315 | From: Bay Area, CA | Registered: Oct 2002
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BOUNTY HUNTER VERT
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Member # 2754
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posted
I dont think you are going to have any luck passing smog with long tube headers. Instead of long tubes go with the AFM 1 3/4 shorties with a bbk or bassani x pipe and it will run close to as good as with the long tubes might be 5 hp less with the shorties but they will have less ground clearance issues.
Posts: 899 | From: ca | Registered: Apr 2003
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