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Do LPG only cars require a catalytic converter? 

 

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 Post subject: Do LPG only cars require a catalytic converter?
Posted: Thu Jul 10, 2008 10:17 pm 
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Do LPG only cars require a catalytic converter?

 

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Posted: Thu Jul 10, 2008 10:37 pm 
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I don't think they do.. they are not required..

all comes down to state etc.. New Zealand don't require cats at al
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Posted: Thu Jul 10, 2008 10:56 pm 
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I believe that they do. The cat does not do anything on LPG, but the legality is it still must have one.

 

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Posted: Fri Jul 11, 2008 1:10 am 
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If the internals are not there, could that be noticed somehow?

I have a spare cat and may fit some extractors i have. My impression is i could remove the cat's innards while doing this.

 

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Posted: Fri Jul 11, 2008 9:59 am 
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relaxed_diplomacy wrote:
If the internals are not there, could that be noticed somehow?

I have a spare cat and may fit some extractors i have. My impression is i could remove the cat's innards while doing this.

My 4X4 mate removed his on his Patrol and just put a straight pipe on there. Sounds aweful and noisy

 

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Posted: Fri Jul 11, 2008 11:16 pm 
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I was figuring the car is pretty quiet considering there is only one muffler, so yes, i can see that removing the cat might make it loud. I have found the extractors i happen to have don't really fit, so it looks like i'm sticking with stock. Shame, as the cat weighs heaps.

 

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 Post subject: cat converter
Posted: Sat Jul 12, 2008 12:43 am 
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Definatly need cat or you will get a big fine, dont forget its a emmision model vehicle, well anything made after 1976 June.

My cat converter is empty and no i havent punched it out, my question is if i replace it with a stainless highflow unit like magnaflow would i get any gains from it eg fuel economy, power?

I was told a empty cat will get better performance but no so sure about economy.

 

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 Post subject: Re: cat converter
Posted: Sat Jul 12, 2008 11:34 am 
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MICKYYYY wrote:
Definatly need cat or you will get a big fine, dont forget its a emmision model vehicle, well anything made after 1976 June.

My cat converter is empty and no i havent punched it out, my question is if i replace it with a stainless highflow unit like magnaflow would i get any gains from it eg fuel economy, power?

I was told a empty cat will get better performance but no so sure about economy.

My mate with his Patrol has nothing but a straight pipe and he is getting more oomph and economy.

 

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Posted: Sat Jul 12, 2008 12:19 pm 
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Anything manufactured after 1986 in Australia is REQUIRED BY LAW to have a cat converter, regardless of the fuel type. Simple as that.

Only way to get away with no cat is to have a car manufactured before Jan 1st, 1986.

 

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 Post subject: Re: cat converter
Posted: Sat Jul 12, 2008 5:52 pm 
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MICKYYYY wrote:
Definatly need cat or you will get a big fine, dont forget its a emmision model vehicle, well anything made after 1976 June.

My cat converter is empty and no i havent punched it out, my question is if i replace it with a stainless highflow unit like magnaflow would i get any gains from it eg fuel economy, power?

I was told a empty cat will get better performance but no so sure about economy.
Yeah u will get better economy just with any cat in it as it needs sum back pressure for the o2 sensor. I found out that the owner b4 me punch out the cat on my work car and when i replaced it the economy improved quiet alot

 

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Posted: Sun Jul 13, 2008 1:13 pm 
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To be sure one way or the other, check the compliance plate and see if there is any mention there of ADR 37, if there is, then it requires a catalytic converter to be legal, ADR 37 is catalytic converter, if it's stamped on the compliance plate then it needs it to pass ADRs and be legal, simple as that.

 

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Posted: Sun Jul 13, 2008 1:29 pm 
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The MaDDeSTMaN wrote:
Anything manufactured after 1986 in Australia is REQUIRED BY LAW to have a cat converter, regardless of the fuel type. Simple as that.

Only way to get away with no cat is to have a car manufactured before Jan 1st, 1986.


Or own a diesel or turbo diesel - no cats required.

 

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Posted: Fri Jul 18, 2008 8:52 pm 
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as The MaDDeSTMaN said any car made after 1986 need's a cat . and also any car retrofitted with a newer motor need's one example 79 xd with 4l motor in it .
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Posted: Fri Jul 18, 2008 10:51 pm 
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FairmontXR6 wrote:
Or own a diesel or turbo diesel - no cats required.


Incorrect, even diesels have a catalytic converter.
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Posted: Sat Jul 19, 2008 12:57 am 
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Catalytic converters are required by all vehicles made after 1986 regardless of fuel type, even diesel.

Regards,
Dave

 

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