Bonney
Member
Registered: 14th Nov 04
Location: St Helens
User status: Offline
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Don't know if its been posted before, But if any one wanted to know what their engine code means (eg c20xe) here is a quick guide.
The first digit of the code relates to the emissions regs the engine meets.
Z = euro 4
Y = euro 3
X = euro 2
C = euro 1
Cars made before the emissions regulations have no letter at the start of the code.
The next 2 digits are the capacity.
For example, the 20 in C20 XE means 2 litre.
The next letter is the compression ratio.
G = 8 to 8.5:1
L = 8.5 to 9:1
N = 9 to 9.5:1
S = 9.5 to 10:1
X = 10 to 11.5:1
Y = 11.5+:1
The next digit relates to the fuelling.
D = diesel
E = multi-point injection
Z = single-point injection
V = carburettor
Some engines have an extra code at the end, if they are different from normal
For example:
H = high output
R = increase output
T = turbo
V = volume model
Hope its of some help/intrest to some of you 
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oceansoul
Member
Registered: 19th Jun 06
Location: Sunbury, Surrey
User status: Offline
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repost, im sure that most people know this kinda stuff. however some of the newer/younger members might not =]
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ed
Member
Registered: 10th Sep 03
User status: Offline
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It's in FAQ already.
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Bonney
Member
Registered: 14th Nov 04
Location: St Helens
User status: Offline
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Ah well, Didn't realise. Something for the newbies I suppose.
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chrex
Member
Registered: 26th Aug 07
Location: Brawdy/Wirral
User status: Offline
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back of total vaux ftw!
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Warren G
Member
Registered: 14th May 06
Location: Kent
User status: Offline
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A=euro 5 emissions
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Nic Barnes
Member
Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
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z12gdr engine is a cracker
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Bonney
Member
Registered: 14th Nov 04
Location: St Helens
User status: Offline
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Havn' got that for years, Might go get a copy later, Thinking of doing some bits to the astra, Was only supposed to be a runaround.
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