A healthy engine is a precision piece of machinery. When its tolerances are within spec, seals are tight, spark is ample, and components are well-oiled, it's reliable and operating with utmost ...

The purpose of your engine is to compress fuel and air and then ignite it, creating heat energy that then makes mechanical motion. If your engine can't compress the air and fuel properly, the engine ...

The traditional "60/80" rule for piston engine compression is an outdated myth; specific manufacturer guidance (e.g., TCM Service Bulletin SB03-3) dictates airworthiness for Continental engines and ...