jr
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Registered: 20th May 02
Location: Kent
User status: Offline
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[quote="Tony @ Greenlight"]Hi All,
Due to the area of de-catted exhaust systems being more than a little grey, we had historically maintained the stance that we would not offer terms for de-catted vehicles on the basis that this would potentially give any Insurer the ability to class a vehicle as non-roadworthy.
Whilst we had lobbied our respective scheme Insurers for clarification of their stance upon several occasions, we had never previously managed to obtain clarification from the Government agency as to their stance.
With this in mind we obtained the Government MOT tester's handbooks (inc the "In Service Exhaust Emission Standards for Road Vehicles" operating manual) then set about pursuing DVLA and VOSA for a definitive answer in relation to catalytic converters.
The resulting advice received from a technical advisor at VOSA was that at this time it is not illegal to not have a catalytic converter fitted to your vehicle (post 1992 vehicles), but any vehicle post 1992 would be tested for emissions against the same pass criteria as though a catalyst was fitted.
Thus if your vehicle passes the emissions criteria whilst decatted the vehicle would be roadworthy.
VOSA's technical advisor indicated that this position may change in the future, but until this occurs Greenlight will now be able to accept De-Catted exhaust systems as a modification to your vehicle.
Kind regards
Tony
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SetH
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Registered: 15th Jul 01
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interesting, thanks for sharing 
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TheCam
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Registered: 16th Mar 07
Location: Kirkcaldy
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hows it goni pass the emissions without a cat, emissions will be sky high
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Baskey
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Registered: 31st May 06
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My mates 106 gti just passed the mot, and we cut all the shit out of the cat and sealed it back together again
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corb
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Registered: 24th Apr 02
Location: Calgary, Alberta, Canada
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What about post-92 cars with a pre-92 engine? Perhaps you could try finding out jr, and clear it up once and for all? Go on, you know you want to!
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Ste L
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Registered: 3rd Jul 06
Location: Manchester Drives: 106 16v Rallye
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also...
say you have a 93 nova 1L which never came with a cat, what would it be tested under 
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Toby
Premium Member
Registered: 29th Nov 05
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quote:
Originally posted by TheCam
hows it goni pass the emissions without a cat, emissions will be sky high
your right!
but i beleive the point is the decat is legal untill the police prove that it isnt by having it fail the emissions test
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TheCam
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Registered: 16th Mar 07
Location: Kirkcaldy
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I see, so basically they cant pull the old "your cars illegal! its not got a cat" pish again. 
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Superlite Ltd.
Member
Registered: 9th Jan 07
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Thought this was common knowledge?
You dont need a cat, its just hard to pass emissions without one these days.
I hear you can on a Scooby mind 
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Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
User status: Offline
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quote:
Originally posted by corb
What about post-92 cars with a pre-92 engine? Perhaps you could try finding out jr, and clear it up once and for all? Go on, you know you want to!
The vehicle is tested against whatever is oldest..
eg
1999 vehicle with 1989 engine = emmisions test for 1989 vehicle
1982 vehicle with 2002 engine = emmisions test for 1982 vehicle
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willhouse
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Registered: 11th Jul 06
Location: Sheffield
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iirc correctly, a good aftermarket engine map can mean that an engine can run without a cat and keep emmisions down
im sure Dave A will say if thats wrong or right
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coke-gsi16v
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Registered: 21st Jun 07
Location: birkenshaw/bradford: drives: a scooby doo
User status: Offline
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when i took mine for m.o.t they told me that they dont have to put a the clip on as they can put it through as a no cat car (my car is 93 L) ? they said that some cars are registered late. he said some 92 J reg cars didnt get registered till right up till 94 so they have a bit of lee way when it comes to emmissions.
hope this is right feel free to correct me if im wrong
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DJMartin07
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Registered: 1st Feb 07
Location: Bedford/
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Making me feel better as I have a de-cat on my car (was fitted Monday) but where my college is, we have Beds police hq round the corner and a accident/ repair place where police vehicles get mended and I have yet to be pulled over. 
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Jake
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Registered: 24th Jan 05
User status: Offline
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quote:
Originally posted by DJMartin07
Making me feel better as I have a de-cat on my car (was fitted Monday) but where my college is, we have Beds police hq round the corner and a accident/ repair place where police vehicles get mended and I have yet to be pulled over.
This depends on what sort of emissions your car is pushing out with the CAT. They'd have to be really low to pass with a decat.
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DJMartin07
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Registered: 1st Feb 07
Location: Bedford/
User status: Offline
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quote:
Originally posted by jake
quote:
Originally posted by DJMartin07
Making me feel better as I have a de-cat on my car (was fitted Monday) but where my college is, we have Beds police hq round the corner and a accident/ repair place where police vehicles get mended and I have yet to be pulled over.
This depends on what sort of emissions your car is pushing out with the CAT. They'd have to be really low to pass with a decat.
True, but atleast it doesn't smell fucked anymore. 
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Vaux Lad
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Registered: 15th Dec 04
Location: Stoke-on-Trent
User status: Offline
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quote:
Originally posted by willhouse
iirc correctly, a good aftermarket engine map can mean that an engine can run without a cat and keep emmisions down
im sure Dave A will say if thats wrong or right
You can lean the map right off to get it through.
But it wouldn't pass on a "normal" map.
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gavin18787
Premium Member
Registered: 22nd Feb 05
Location: Basildon, Essex
User status: Offline
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quote:
Originally posted by Vaux Lad
quote:
Originally posted by willhouse
iirc correctly, a good aftermarket engine map can mean that an engine can run without a cat and keep emmisions down
im sure Dave A will say if thats wrong or right
You can lean the map right off to get it through.
But it wouldn't pass on a "normal" map.
If thats the case you might as well have a cat 
Drives supercharged Tec with torque 
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neil h
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Registered: 28th Sep 06
User status: Offline
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Or get something like a blufin so you can swap between maps with no real hassle.
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Superlite Ltd.
Member
Registered: 9th Jan 07
User status: Offline
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quote:
Originally posted by Vaux Lad
quote:
Originally posted by willhouse
iirc correctly, a good aftermarket engine map can mean that an engine can run without a cat and keep emmisions down
im sure Dave A will say if thats wrong or right
You can lean the map right off to get it through.
But it wouldn't pass on a "normal" map.
But a lean mix has bad emissions too. Best emissions are at lambda 1
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Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
User status: Offline
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quote:
Originally posted by willhouse
iirc correctly, a good aftermarket engine map can mean that an engine can run without a cat and keep emmisions down
im sure Dave A will say if thats wrong or right
I've always wanted to know about that.
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corb
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Registered: 24th Apr 02
Location: Calgary, Alberta, Canada
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so, matt, how does it work for my car then. 1996corsa with '89 engine converted to a turbo spec of a '94 engine. e.g. a turbo'd xe, hows that work?!! How can I prove the age of the engine?
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Toby
Premium Member
Registered: 29th Nov 05
User status: Offline
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whats your actual engine code, work with that, im guessing its still c20xe?
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random dav
Premium Member
Registered: 7th Jan 04
Location: NSW
User status: Offline
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I used this for my MOT http://www.vosa.gov.uk/vosacorp/repository/7.3%20Emmissions%20-%20Spark%20Ignition%20-%20Passenger%20Cars%201992-2002.pdf
WRLFC !
Project cars
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Mattb
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Registered: 2nd Feb 03
Location: Under your sisters bed
User status: Offline
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quote:
Originally posted by corb
so, matt, how does it work for my car then. 1996corsa with '89 engine converted to a turbo spec of a '94 engine. e.g. a turbo'd xe, hows that work?!! How can I prove the age of the engine?
being an 1989 block from an xe your engine code should be 20xej - not having a C prefix meaning non catalyst equiped
if they dont belive you, you can always ask to see the exact emmisions data for a 1996 corsa 2.0 turbo (which of course they cannot provide) they would then have to put the emmisions through on a basic test (this is the procedure for alot of imported vehicles iirc)
[Edited on 01-12-2007 by Mattb]
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corb
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Registered: 24th Apr 02
Location: Calgary, Alberta, Canada
User status: Offline
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engine number has gone, replaced by a rebuild warranty code by the looks of it....
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