315 Pounds C3B6 Lycoming Engine IO-390-C3B6

Lycoming IO-390-C3B6 Engine

The IO-390-C3B6 is a popular choice for builders and pilots looking for a reliable, high-performance engine for light aircraft.

Part Number

Specifications:

• Engine Type: 6-cylinder, horizontally opposed (flat-six)
• Displacement: 541.5 cubic inches (8.87 liters)
• Power Output: 300 horsepower (224 kW) at 2,700 RPM
• Compression Ratio: 8.7:1
• Fuel System: Fuel injection (Continental Bendix RSA-5AD1 fuel injector)
• Cooling System: Air-cooled
• Weight: Approximately 390 lbs (177 kg) dry
• Fuel Type: 100LL aviation gasoline (avgas)
• Oil Capacity: 12 quarts (11.4 liters)

Key Features:

• Fuel Injection: Provides better fuel efficiency and performance compared to carbureted engines.

• Air-Cooled Design: Simplifies maintenance and reduces weight.

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• High Power-to-Weight Ratio: Makes it suitable for a variety of aircraft, including high-performance singles and light twins.

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• Reliability: Known for its durability and long service life with proper maintenance.

Applications:

The IO-540-AE1A5 is commonly found in aircraft such as:

• Cessna 206 Stationair
• Piper PA-32 Cherokee Six
• Mooney M20K
• Aerostar 600

Maintenance and TBO:

• TBO (Time Between Overhauls): Typically 2,000 hours, depending on operating conditions and maintenance practices.

• Maintenance: Regular inspections, oil changes, and adherence to Lycoming's service bulletins are critical for longevity.

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