Lycoming O-235 Aircraft Engine Specifications:

Number of Cylinders : 4 Opposed, air cooled
Displacement: 233 ci
Bore: 4.375 inches
Stroke: 3.875 inches
Compression Ratio: 6.5:1
Aspiraton: Stromberg Carburetor
Fuel: 80/87 Octane Avgas
Weight: 246 lbs
Length: inches
Diameter: inches
Output: 115hp at 2,800rpm
First Flight : 1939
Airframes used on: Stinson 10A
Cost: $