Opel OHV engine
| Opel OHV engine | |
|---|---|
| Overview | |
| Manufacturer | General Motors |
| Also called | Kadett engine |
| Production | 1962-1993 |
| Combustion chamber | |
| Configuration | Straight-4 |
| Displacement |
|
| Cylinder bore |
|
| Piston stroke | 61.0 mm (2.40 in) |
| Valvetrain | OHV |
| Combustion | |
| Fuel type | Gasoline |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
| Chronology | |
| Successor | Family 1 |
The Opel OHV family (also known as the Kadett engine after its most famous application) is a pushrod straight-4 engine. It was developed by Opel of Germany and released in 1962. Versions were in use through 1993.
The first version of the engine was the 1.0 and placed in the Kadett A which was produced from 1962 to 1965. Displacement was 993 cc (61 cu in) with a 72.0 mm (2.83 in) bore and a 61.0 mm (2.40 in) stroke. The Kadett A had two different versions of the engine, namely 10N (normal compression) with 29 kW (39 hp) and 10S (super compression) with 35 kW (47 hp).
This engine was retired in 1965 in favor of the 1.1 but revived in 1973 as a basic engine of the Kadett C. It was revived a second time in 1982 for use in the Corsa A where it produced 33 kW (44 hp). It was also used in export market models of the Opel Kadett D.
Applications:
In 1965, the engine was enlarged for use in the all new Kadett B. Displacement was 1,078 cc (66 cu in) with a bore enlarged to 75.0 mm (2.95 in) stroke remained at 61.0 mm (2.40 in). The 11N (normal compression) produced 33 kW (44 hp) and 37 kW (50 hp) after 1971. The 11S produced 40 kW (54 hp); in 1966 a special power version was introduced, the 11SR with 44 kilowatts (59 hp).
Applications:
In 1971, a second enlargement made the 1.2 with a displacement of 1,196 cc (73.0 cu in). Bore was enlarged to 79.0 mm (3.11 in) and stroke was still at 61.0 mm (2.40 in). Performance of the 12N varied from 37 – −40 kW (50 – −54 hp); the 12S consistently had 44 kW (59 hp).
Applications:
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