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Joined: Nov 2002
Posts: 3,506
Hard-core CEG'er
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Hard-core CEG'er
Joined: Nov 2002
Posts: 3,506 |
Im gutting the cats as we speak....i got the back one guted but the front im having trouble...i do not want to cut or drill a hole into but i will do it as a last resort....But is there any way to gut the front cat with out cutting???
Roz
3.0 SVT hybrid...all the fixens...Track/Race ready very soon!!!!!! 20,000 + miles
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Joined: Nov 2000
Posts: 218
CEG\'er
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CEG\'er
Joined: Nov 2000
Posts: 218 |
As far as the front cat you might have to drill a hole big enough to put an 1/4 or 3/8 extension through it and hammer the stuff out. then all you have to so is weld the little hole back up.
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Joined: Feb 2003
Posts: 68
CEG\'er
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CEG\'er
Joined: Feb 2003
Posts: 68 |
Whats the deal guys?? Don't you think the precats where put there for a reason?? Why would you gut them? Why not just get a high flow Y or something
Canada = little France
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Joined: May 2002
Posts: 1,379
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: May 2002
Posts: 1,379 |
Originally posted by armstrkw:
Whats the deal guys?? Don't you think the precats where put there for a reason?? Why would you gut them? Why not just get a high flow Y or something
MORE POWER!!!
~~~~~~Mike~~~~~~
Black 2006 VW Rabbit
Silver 2000 Contour SVT - SOLD
~~~~ The Car~~~~~
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Joined: Dec 2002
Posts: 110
CEG\'er
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CEG\'er
Joined: Dec 2002
Posts: 110 |
I was thinking about gutting my precats, but Ontario now has emmissions and I'm worried if I'll pass the test or not. I'm also considerin MSDS hedders if I can make some decent $$$ this summer... I hate being in college....  
1997
Thunderbird LX
Clairion HU, sub and amp
In the works:
true duals, headers, cobra MAF
In the works: Mustang with a big block
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Joined: Dec 2002
Posts: 35
New CEG\'er
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New CEG\'er
Joined: Dec 2002
Posts: 35 |
any rough estimates on power to be gained.also will you need mil eliminators?
2001 mondeo st24 rsap saloon,piper x cone filter,pro flow 75mm maf,cta,svt tb,silicone engine hoses,ecotec valve,twin cat back zorst,17 inch bsa 214 alloys,lowered 40 mm,st200 full interior
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Joined: Jul 2000
Posts: 1,044
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jul 2000
Posts: 1,044 |
Originally posted by harry hatchet:
any rough estimates on power to be gained.also will you need mil eliminators?
I think someone dynoed this mod at 5-6 HP gain but they may have had some other mods included. You'll need mil eliminators for the after-cat set of O2 sensors or you'll have a constant CEL.
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Joined: Nov 2000
Posts: 10,015
Hard-core CEG'er
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Hard-core CEG'er
Joined: Nov 2000
Posts: 10,015 |
Originally posted by Roz 1999 SVT-C:
Im gutting the cats as we speak....i got the back one guted but the front im having trouble...i do not want to cut or drill a hole into but i will do it as a last resort....But is there any way to gut the front cat with out cutting???
Roz
You MUST cut the front one open, as you REALY need to get all the steel-wool brick-isolator out of there or if any is left over it can be sucked into your engine. 
It happened on canamSVT's engine, and it toasted it. He now has a 3L, but that's not the way he planned on getting one.......
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!
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Joined: Oct 2001
Posts: 1,055
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Oct 2001
Posts: 1,055 |
no cel's for me...obd 1 baby 
Derek Johnson
88 TurboTBird 32psi, t3/t4 bb 50trim, megasquirt, 3 bar map, 50lb inj, roller cam w adj. gear, header, 3" downpipe and full exhaust, gutted intake manifolds, spec stg 3
95SE 3L gone
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Joined: Sep 2002
Posts: 1,746
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Sep 2002
Posts: 1,746 |
I think the average gain is anywhere from 5-8 hp. You shouldn't have any trouble passing emissions as long as you make the MIL eliminaters. Make sure you follow the directions as stated in the how to. Dont cut corners! It could be the death of you engine! 
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