Continental makes eight types of four-cylinder L-Head engines and 10 types of six-cylinder L-Head engines, one of which is the F227. These engines are called “L-Head” engines because when you look at the cross section of one, it looks like the letter “L” written upside down. In L-Head engines, all of the valves, valve lifters, cams and moving parts are a part of the cylinder block assembly.
Bore, Stroke, Displacement, Compression Ratio, Oil Pressure
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Continental’s F227 engine has a bore and stroke of 3-5/16 inches and 4-3/8 inches, respectively. Like the F226 engine, the F227 has a displacement of 226 cubic inches. However, the F227 has a different compression ratio: 7.28. The maximum oil pressure of this engine is 30 to 40 psi and, like all of the other L-Head engines, its minimum oil pressure is 7 psi.
Bridge Size, Oil Capacity
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The main bridge in the front of the engine measures 2-3/8 inches by 1-1/16 inches, while the main bridge in the interior measures 2-3/8 inches by 1-5/16 inches, and the main bridge in the rear measures 2-3/8 inches by 1-23/64 inches. The connecting rod bridge has a diameter of 2-1/16 inches and a length of 1-1/8 inches. The F227 engine’s total oil capacity is 5-1/2 liters, as the crankcase has a capacity of 5 liters and the filter has a capacity of 1/2 liter.
Valve Clearance, Water Capacity, Weight
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The intake valve clearance of the F227 engine measure .012 inches and the exhaust valve clearance measures .020 inches. It has a total water capacity of 17 qts. — the engine having a capacity of 6-1/2 qts. and the radiator having a capacity of 10-1/2 qts.. The total weight of the engine when bare is 555 lbs.