• Source: 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.




Moonlight


The Opel Moonlight roadster was the first Opel vehicle with a straight-6. It used a 1.8 L (1,790 cc) six in 1933. It was a 12-valve engine with a very-undersquare 65 mm × 90 mm (2.56 in × 3.54 in) bore and stroke, typical for the time. This engine produced 33.5 PS (33.0 hp; 24.6 kW) and 100 N⋅m (74 lb⋅ft).




Kapitän


The 1959 Opel Kapitän was the next vehicle from the company with a straight-6 engine. This was a 2.6 L (2,605 cc) unit with 12 overhead valves. Bore and stroke were now oversquare for high power output at 85 mm × 76.5 mm (3.35 in × 3.01 in). A single Opel-designed carburetor and 7.8:1 compression yielded 91 PS (90 hp; 67 kW) and 186 N⋅m (137 lb⋅ft).




See also


List of GM engines




References

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