Opel straight-6 engine

Opel used the straight-6 engine configuration for many years. Opel used two straight-6 engines prior to the better-known CIH engine family.

Opel Straight-6
Overview
ManufacturerOpel
Also calledVauxhall Straight-6
Production1930-1966
Layout
ConfigurationNaturally aspirated Straight-6
Displacement1.8 L (1,790 cc)
2.6 L (2,605 cc)
Cylinder bore65 mm (2.56 in)
85 mm (3.35 in)
Piston stroke90 mm (3.54 in)
76.5 mm (3.01 in)
ValvetrainOHV 2 valves x cyl.
Compression ratio7.8:1
Combustion
Fuel systemCarburetor
Fuel typePetrol
Cooling systemWater-cooled
Output
Power output33.5–91 PS (33.0–89.8 hp; 24.6–66.9 kW)
Torque output100–186 N⋅m (74–137 lb⋅ft)
Chronology
SuccessorOpel CIH engine
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