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need quick answer now! 

 

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 Post subject: need quick answer now!
Posted: Fri Sep 09, 2011 9:40 am 
Parts Gopher
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Ride: 92 nc fairlane v8

Location: wellington,upper hutt
New Zealand

i am going down to take my 1992 ford fairlane 302 windsor down to the exhaust shop in 3 hours to get the cats taken out an pipe welded in to replace and the old muffler taken out and a coby put in its place will this make my car actually sound like a v8 ? will i notice the difference in sound ? its costing $325 is that good ? is it worth it..
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 9:53 am 
Getting Side Ways
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just get a cat back exhaust, removing the cats is overkill.

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 10:27 am 
Getting Side Ways
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no point removing the cat,

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 10:31 am 
Parts Gopher
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I agree there's little point in removing the cat's....

That said they do reach a point where they no longer work as originally intended.

Depending on the kilometers your vehicle has travelled and other factors they may need replacing.

I suggest you have the exhaust place check them out as best they can and take their advice. But be mindfull that there aren't just trying to line their pockets with your dollars.

Signed,

X-Mechanic
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 12:42 pm 
Getting Side Ways
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Removing the cats is not a very good idea as it is highly illegal to do so, and will yeild little benifet if all you are after is a better note. If you want some more performance also, get a pair of high flow cats, they wont be cheap though, and they wont make a hell of alot of difference unless you have a good set of extractors anyway. If you are on a budget, just get a cat back exhaust.

Gab
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 3:03 pm 
EFI Guru
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You will notice a different sound.
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 4:07 pm 
Parts Gopher
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Age: 26

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Ride: 92 nc fairlane v8

Location: wellington,upper hutt
New Zealand

got cats taken out pipe welded in and a coby to replace old muffler sounds algood
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 4:40 pm 
Getting Side Ways
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In New Zealand our ONLY tailpipe emission law is that the engine cannot smoke continuously for more than 10 seconds after start-up.

Removing cats in NZ is common, I'm surprised a 1992 vintage car still has them.

Even the best flowing cat is more restrictive than no cat at all, so unless mandated by smog laws there is free performance to be had in removing them

If you had posted earlier I could have sent you a pair of cat-delete pipes that bolt on between header & Y-pipe.

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 5:11 pm 
Fordmods Junkie
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Gab1 wrote:
Removing the cats is not a very good idea as it is highly illegal to do so, and will yeild little benifet if all you are after is a better note. If you want some more performance also, get a pair of high flow cats, they wont be cheap though, and they wont make a hell of alot of difference unless you have a good set of extractors anyway. If you are on a budget, just get a cat back exhaust.

Gab


Not illegal in NZ...

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 6:15 pm 
Getting Side Ways
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xafalcon wrote:

Even the best flowing cat is more restrictive than no cat at all, so unless mandated by smog laws there is free performance to be had in removing them
.


ive read an article on back to back testing regarding removing the cats, and there was 1 hp difference with a ceramic 200cpsi cat, and straight pipe

and only 5hp difference with standard cats and straight pipe. With dyno's being slightly inconsistant each run theres possibly no difference at all.....
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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 7:33 pm 
Getting Side Ways
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FordFairmont wrote:
xafalcon wrote:

Even the best flowing cat is more restrictive than no cat at all, so unless mandated by smog laws there is free performance to be had in removing them
.


ive read an article on back to back testing regarding removing the cats, and there was 1 hp difference with a ceramic 200cpsi cat, and straight pipe

and only 5hp difference with standard cats and straight pipe. With dyno's being slightly inconsistant each run theres possibly no difference at all.....


sweet. i can gain a couple hp. lol

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 8:34 pm 
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go new zealand! i just realised there's no cat on my car either lmao

 

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 8:40 pm 
Getting Side Ways
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id prefer to leave it on as i hate the smell of a car without it and in my opinion you wouldnt gain alot of power unless you were turbo charged as you need lots of exhaust flow

 

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xr8 snorkel,typhoon lower snorkel,territory intake pipe,20% underdrive kit,pacemaker extractors,high flow cat,xforce exhaust,t56 conversion hd turbo clutch/ flywheel,m86 3.45 lsd,custom tune187.1rwkw as an auto

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 8:41 pm 
Getting Side Ways
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Location: Gosnells, Perth
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why is it legal in NZ but not in aus?

 

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13.65@102mph. 2800 hi-Stall.
230RWKW@5250 rpm. 625NM.

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 Post subject: Re: need quick answer now!
Posted: Fri Sep 09, 2011 10:03 pm 
Getting Side Ways
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Because we are very lucky when it comes to rodding.

V8 anual registration is the same price as a 4 cylinder, about NZ$280.

When modifying a car, so long as it's safe (and has been road tested as being so), you can do it

No emissions laws

No laws banning retrograde engine mods / installs eg EFI failure on 5.0, just fit a carb

No laws limiting engine displacement / supercharging / turbocharging when re-powering, so long as it drives straight, goes around corners and stops safely it's OK

No laws banning LHD imports eg a brand new camaro landed and on the road for under NZ$40k. Personally I'm looking at a new challenger

But the payback comes in the price of petrol - north of NZ$2/litre

 

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