Lycoming’s four-cylinder 320 Series engines produce 150 or 160 hp at 2,700 RPM. These engines power numerous popular aircraft produced by companies like Cessna, Piper, and kit manufacturers such as Van’s and Glasair. The 320 Series also powers the early Robinson R22 helicopter.
General characteristics
Bore: 5.125 in (130.18 mm)
Stroke: 3.875 in (98.43 mm)
The Lycoming IO-320 is a large family of 92 different normally-aspirated, air-cooled, four-cylinder, direct-drive engines; the Lycoming O-320 engine is commonly used on light aircraft like the Cessna 172 and Piper Cherokee. Different variants of the O-320 are rated for 150 or 160 hp. The Lycoming IO-320 is a fuel injected version.
General characteristics
Bore: 5.125 in (130.18 mm)
Stroke: 3.875 in (98.43 mm)
The Lycoming O-320 is a large family of naturally aspirated, air-cooled, four-cylinder, direct-drive engines produced by Lycoming Engines. They are commonly used on light aircraft such as the Cessna 172 and Piper Cherokee. Different variants are rated for 150 or 160 horsepower
General characteristics
Bore: 5.125 in (130.18 mm)
Stroke: 3.875 in (98.43 mm)
The AEIO-320, -360 and -540 series are four and six cylinder, direct drive, horizontally opposed, air cooled engines. Although similar to the Lycoming IO-320, -360 and -540 engines, the AEIO aerobatic series differ in respect to the sump and the inverted oil system.
General characteristics
Bore: 5.125 in (130 mm)
Stroke: 4.375 in (111 mm)
Lycoming’s extremely popular four-cylinder 360 engine combines rugged reliability with smooth performance, producing 145 to 210 hp. Since 1955, certified 360 cubic inch engines from Lycoming have been installed in thousands of aircraft.
General characteristics
Bore: 5.125 in (130 mm)
Stroke: 4.375 in (111 mm)
The Lycoming TIO-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. The TIO-360 engines are part of the Lycoming O-360 series, which has been installed in thousands of aircraft since 1955.
General characteristics
Bore: 5.125 in (130 mm)
Stroke: 4.375 in (111 mm)
The Lycoming IO-390 is a four-cylinder, horizontally opposed, air-cooled, fuel-injected aircraft engine that produces 210 horsepower at 2,700 RPM. It's designed to meet the power, payload, and speed requirements of general aviation aircraft.
General characteristics
Bore: 5.319 in (135.1 mm)
Stroke: 4.375 in (111.1 mm)
The AEIO-320, -360 and -540 series are four and six cylinder, direct drive, horizontally opposed, air cooled engines. Although similar to the Lycoming IO-320, -360 and -540 engines, the AEIO aerobatic series differ in respect to the sump and the inverted oil system.
General characteristics
Bore: 5.125 in (130.2 mm)
Stroke: 4.375 in (111.1 mm)
The Lycoming 540 series of engines are known for their reliability, durability, and performance. They are a popular choice for general aviation pilots and are used in over 80 aircraft models
General characteristics
Bore: 5.125 in (130.2 mm)
Stroke: 4.375 in (111.1 mm)
The Lycoming O-540 is a family of air-cooled six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engines of 541.5 cubic inches displacement, manufactured by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-360.
General characteristics
Bore: 5.125 in (130.2 mm)
Stroke: 4.375 in (111.1 mm)
The AEIO-320, -360, -580 and -540 series are four and six cylinder, direct drive, horizontally opposed, air cooled engines. Although similar to the Lycoming IO-320, -360 and -540 engines, the AEIO aerobatic series differ in respect to the sump and the inverted oil system.
General characteristics
Bore: 5.319 in (135.1 mm)
Stroke: 4.375 in (111.1 mm)
The Lycoming IO-580 engine is a horizontally opposed, six-cylinder aircraft engine featuring three cylinders per side, manufactured by Lycoming Engines. There is no carburetted version of the engine, which would have been designated O-580 and therefore the base model is the IO-580
General characteristics
Bore: 5.319 in (135.1 mm)
Stroke: 4.375 in (111.1 mm)
The Lycoming IO-780 is an engine with a displacement of 780 cubic inches. The "I" in the name indicates that the engine has an injected-fuel system, while the "O" in other Lycoming engines indicates a carbureted engine.
General characteristics
Bore: 5.125 in (130.18 mm)
Stroke: 4.375 (111.12 mm)
Improve Performance at Time of Overhaul
Penn Yan Aero recommends these time tested, FAA Approved STCs. And, the best time to add one of these STCs is at overhaul time. They’re an excellent way to improve your aircraft, add to its value, and increase your flying pleasure.
Penn Yan Aero FAA Approved STCs
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Please contact Penn Yan Aero directly for your experimental needs.
Salvatore Sciallo, Engine Sales Engineer
Telephone: 800-727-7230 / 315-536-2333 - extension 7235
Fax: 315-536-2335
sal@PennYanAero.com
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