Just been reading a guide, so I thought I'd post the details up on here incase anyone's interested
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
B = IBC (Inverted Brayton Cycle, in laymens terms, the recurculation of gasses)
C = Corporation ignition system
F = Vehicles for Authorities
H = High output / Supercharging
I = Irmischer
J = Throttled Output
K = Komplex
L = Low output / Supercharging
P = Power Adapted
R = Increased Output
T = Turbo
U = Uruguay
V = Volume model
W = Venezuela
2 = Family II engine
Heres an extra added bit which shows what the last digit means:
The last digit on the end of the code will denote if an engine differs from a sister engine, is produced in another counrty, or any factory exra bits! As follows....
B = IBC (Inverted Brayton Cycle, in laymens terms, the recurculation of gasses)
C = Corporation ignition system
F = Vehicles for Authorities
H = High output / Supercharging
I = Irmischer
J = Throttled Output
K = Komplex
L = Low output / Supercharging
P = Power Adapted
R = Increased Output
T = Turbo
U = Uruguay
V = Volume model
W = Venezuela
2 = Family II engine
CORSA VXR Z16LER = Euro 4, 1598cc, compression ratio 8.5-9.1, multi point injection, increased output(189Bhp standard map).
CORSA SRi Z16LEL = Euro 4, 1598cc, compression ratio 8.5 -9.1, multi point injection, Low output(147bhp standard map).
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