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Facts About the Flyer and Key Reprints

Some Definitions of Terms

How to Get Lycoming Engine and Accessory Maintenance Publications

Determining Engine Condition of High-time Piston Power Plants

Questions Asked by Pilots and Mechanics

Definitions Applicable to TBO, Engine Replacement and Engine Rebuild

Oil Analysis

What is an Aerobatic Engine?

Low-compression Engine — Grade 100 Aviation Fuel

Fuel Contamination

Do Not Use Automotive Gasoline in Lycoming Aircraft Engines

Let’s Talk Turbocharging

Information About Lycoming-approved, Full-flow Oil Filters

Detonation and Preignition

Nitriding — What is it?

Compression Ratio — An Explanation as it Relates to Lycoming Engines

“Watts” Horsepower

Cutaway of a Four-cylinder Power Plant

Your Engine and the Fixed-pitch Propeller

Induced Engine Damage

The Whistle Slot

Welding is not Recommended

Engine Balance

Fuel Injector or Carburetor

The “Same Engine” Myth

The Unfortunate Choice

Low-time Engine May Not Mean Quality and Value

In Search of Badly Behaving Baffles and Seals

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Hard Facts About Engine Break-in

Leaning Lycoming Engines

Proper Leaning at Cruise Aids Safe Flight and Saves Dollars

Operating the Direct-drive Fixed-pitch Lycoming Engine

Operating Your Lycoming Engine at Takeoff and Climb

The Exhaust Gas Temperature (EGT) and Fuel Management

Landings and Takeoff from High-elevation Airports

Basic Power Sequence

An Explanation of Power Settings

Considerations for Low-power Low-RPM Cruise

Induction Icing

Cold-weather Operations

National Transportation Safety Board Warning on Simulated Engine-out Maneuvers

Importance of the Cylinder Head Temperature

More on Cylinder Head Temperature

Interpreting Your Engine Instruments

Engine Starting Suggestions

Use of Fuel Boost Pumps with Lycoming Engines

Avoid Sudden Cooling of Your Engine

Sticking Valves — Do Not Neglect the Warning Signs

Operational and Maintenance Procedures to Avoid Sticking Valves

Tips from the Hangar

The Pilot and Turbocharging

TBO Tradeoffs or Tips from Fred

Thieves of Aircraft Engine Power

Wet Air Effect on Engine Power

Frequency of Flight and Its Effect on the Engine

A Review of Old Wives’ Tales

Spark Plug Fouling

Engine Instruments: To Believe or Not to Believe

Oil Flow — Screens, Filter, Cooler and Pressure Relief

Test Your Knowledge on Engines

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Mechanic’s Creed

The Basics Of Maintenance in General Aviation

Ask About Reference Publications Before Your Engine is Taken Apart

Air Filter Maintenance

Oil and Your Engine

Oil and Filter Change Recommendations

More About Oil and Your Aircraft Engine

Maintaining Oil Levels of Wet Sump Engines

Tips for Changing Your Spin-on Oil Filter

Suggestions if Metal is Found in the Screens or Filter

Safety Tip — Sealant Use

Understanding Engine Color Codes

Reciprocating Engine Break-in and Oil Consumption Limits

Compression Check as a Maintenance Aid

Spark Plugs — Key To Smooth Engine Operation, I

Spark Plugs — Key To Smooth Engine Operation, II

Is Your Spark Plug Connector Overtorqued?

Why Rotate Spark Plugs?

Maintenance Suggestions From the Lycoming Service Hangar

Engine Hoses

Checking and Adjusting Dry Tappet Clearance on Lycoming Engines

Some Tips on the Lycoming O-235 Engine

Importance of the Correct Base Nut Tightening Procedure

Fuel Injector Nozzles Have Been Improved

Unauthorized Additions to Your Engine Can Cause Trouble

A Simple Check of Internal Engine Timing

Installation of Counterweight Rollers

Safety Notes

Engine Suggestions for Operators

Recommendations for Aircraft or Engine Struck by Lightning

Recommendation Regarding Use of Incorrect Fuel

Propeller Ground Strike or Sudden Stoppage Can Be Dangerous

Keep Your Direct-drive Engine Starter Clean to Avoid Trouble

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Notes on Replacing Connecting Rods or Pistons

Does Your Nose Seal Leak?

Cam and Tappet Wear

Exhaust System Maintenance — Pay Now or Pay Later

High Time Cylinders

Top Overhaul?

Lycoming Model Codes for Reciprocating Engines

Lycoming Overhaul Engine FAQ

Lycoming Cylinder Kit FAQs

Lycoming Roller Tappet Technology FAQs

Lycoming-IO-390 FAQs

Lycoming-IO-580 FAQs

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