1.2-liter engine is the most widely available engine in
the Opel Kadett C. This engine has 2 versions, namely the1.2 N and
1.2S. By a number changes in specifications the1.2 OHV engine has 5
versions.
Most Kadett C's were provided with the1.2N engine. The1.2S the
engine was on the other hand frequently used in the luxury versions
of the Kadett C and standard in all Automatic models, as well as in
the sporty Coupé SR.
As from 1975 the 1.2 engines hadbeen adapted to new emission
requirements for exhaust gases.
These engines have a star behind the engine type number, i.e.
1.2N* and 1.2S*.
The 1.2N acquired a 2nd change from engine number 1500
001 this1.2N* had more power and torque. This was
released at the same engine speed as before
Although the 1.2S engine was more powerful than the 1.2N it was
not by much. Two versions were made with the same power and torque
output. The differences in horsepower and torque between N and S
engines only amount to 5 - 8 hp and 5 -10 Nm, in reality this
translates into a noticeable difference when driving
In contrast to1.2N increase in output during the life of the Kadett
C the 1.2S remained the same.
In the 2 tables below are the specifications of the 5 versions
of this engine.
|
Specifications 1.2N OHV
|
1.2N
|
1.2N*
|
1.2N*
|
|
Production
|
Aug 1973 up to in 1975, termination
date unknown
|
As from 1975
to aug 1976
|
As from Aug 1976 and
engine no. 1, 500, 001
|
|
Maximum power
|
52 pk (38 kW)
at 5600 tpm
|
52 pk (38 kW)
at 5400 tpm
|
55 pk (40 kW)
at 5400 tpm
|
|
Maximum Torque
|
78.5 Nm at 3400 rpm
|
83.4 Nm at 3400 rpm
|
|
Number of cylinders
|
4 in line
|
|
Bore x Stroke
|
79x61 mm
|
|
Cubic Capicity
|
1196 cc
|
|
Compression ratio
|
7,8:1
|
|
petrol type
requires octane number (RON)
|
Normal
minus 92 RON
|
Normal
minus 92 RON
|
Normal
minus 92 RON
|
|
fuel system
|
Solex 30 mm PDSI
down draft carburateur
|
Solex 35 mm PDSI down draft
carburateur
|
|
Choke
|
Manual
|
|
Idle speed rpm
|
850 rpm
|
|
Maximum rpm
|
Briefly maximum. 6100 rpm, constantly
maximum. 5800 rpm
|
|
crankshaft
|
3x bearings
|
|
camshaft
|
Operated by means of chain, 3x
bearings
|
|
Oil capacity
|
2.75 litre
|
|
lighting order
|
1-3-4-2
|
|
Specifications 1.2S OHV
|
1.2S
|
1.2S*
|
|
Production
|
From august 1973
to start of 1.2S* in 1975,
|
as from engine number
0 700 001
|
|
Maximum power,
|
60 pk (44 kW) at 5400 rpm
|
|
Maximum torque
|
88.3 Nm at 2600-3400 rpm
|
|
Compression ratio
|
9,2 : 1
|
9,0 : 1
|
|
Number of cylinders
|
4 in line
|
|
Bore x Stroke
|
79x61 mm
|
|
Cubic capacty
|
1196 cc
|
|
petrol type,
requires octane number (RON)
|
Super
minus 98 RON
|
Super
minus 98 RON
|
|
Choke
|
Manual
|
|
fuel supplies
|
Solex 35 mm PDSI
down draft carburateur
|
|
Idle speed rpm
|
850 pm
|
|
maximum rpm
|
Briefly maximum. 6100 rpm/constantly
maximum 5800 rpm
|
|
crankshaft
|
3x bearings
|
|
camshaft
|
Operated by means of chain, 3x
bearings
|
|
Oil capacity
|
2.75 litre
|
|
Firing order
|
1-3-4-2
|