Andy GSi
Member
Registered: 24th Mar 02
Location: Shropshire, Drives 2.0l 16v Corsa
User status: Offline
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mine is a pre 93 engine, and i have a cat on at the moment, i will b de-cating it soon, but for MOT i dont need one, as the engine didnt have a cat? is this true!
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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you will need to proove that the engine is infact a 20xe(not a c20xe) and that should be stamped on the block somewhere. and your correct you wont need cat.
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Date is also stamped under the oil cap - mines a 91 lump and ive de-catted it. Word is that it goes on the DATE of engine NOT the car, but my local MOT station seems to think otherwise? I've got a good bloke who sorts me MOT's regardless!
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philwarren11
Member
Registered: 31st Jan 03
User status: Offline
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The whole car needs to be pre 97 as well to have a de cat fitted to a engine that is pre 93.
So basiclly if you're corsa is an R reg and the engine is pre cat needed then you will still need a cat.
[Edited on 10-01-2005 by philwarren11]
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drunkenfool
Member
Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
User status: Offline
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mine passed its emmissions test with no cat
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Andy GSi
Member
Registered: 24th Mar 02
Location: Shropshire, Drives 2.0l 16v Corsa
User status: Offline
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think i will de cat it, but beofre mot, just swap the cat back on, save pisses around! how much BHP u thihnk im loosing with the cat on? bcause this engine wasnt designed to have one!
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Maybe 3/4 BHP? You dont HAVE to have a cat, it just needs to pass emmisions test.
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Adam_B
Member
Registered: 13th Dec 00
Location: Lancashire
User status: Offline
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quote:
Originally posted by philwarren11
The whole car needs to be pre 97 as well to have a de cat fitted to a engine that is pre 93.
So basiclly if you're corsa is an R reg and the engine is pre cat needed then you will still need a cat.
[Edited on 10-01-2005 by philwarren11]
where did you get that from?
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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quote:
Originally posted by TOMAS
Maybe 3/4 BHP? You dont HAVE to have a cat, it just needs to pass emmisions test.
if your car/engine was made after 1994(i think) you need to have a cat on aswell mate. pretty sure abotu that
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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bummer  Good old Sam down the road will sort me out come november time  - he best not leave that garage otherwise i'd be fooked!
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and-m
Member
Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
User status: Offline
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quote:
Originally posted by TOMAS
Date is also stamped under the oil cap - mines a 91 lump and ive de-catted it. Word is that it goes on the DATE of engine NOT the car, but my local MOT station seems to think otherwise? I've got a good bloke who sorts me MOT's regardless!
Its a fact but you need to prove age of engine.
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and-m
Member
Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
User status: Offline
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and its 1993.
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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My engine is stamped "C20XE xxxxxxxxxxx" and was from a 1990 Calibra - no cat.
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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How do you PROVE the date of an XE then other than the engine code which doesnt have a C in front of the 20Xe and also the 91 stamped under the oil cap?
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Joff it cant be a C20XE from a 1990 car, MUST have had a new bottom end? Has it got the old or new belt setup? All XE's upto very late 92 had 20XE on them?? 
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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Old pulleys.
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and-m
Member
Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
User status: Offline
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Dont forget, Vauxhall were adding CATs to cars before they were even needed, hence the C part of C20XE.
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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Well my understanding was that all the 2.0 16v's upto Late 92 were 20XE and didnt run lamba sensors then after that they were C20XE's and DID run lamba sensors. They were fitting cats before late 92 though. - Can anyone confirm this?
Im Joff
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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Mine's 1990 C20XE with lambda.
V5 and service history says so.
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drunkenfool
Member
Registered: 7th Feb 03
Location: Hereford Drives: Audi R8 V8
User status: Offline
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1991 C20XE with lambda on mine too
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