Originally Posted by
FlyJSH
Many engines have the potential to go past TBO if they are babied: no flights under an hour, cruised at 60%, flown frequently, reduced power take-offs, meticulous maintenance, etc....
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This is not quite true. While cruising at lower power settings is good for the wallet regarding fuel consumption, it can potentially cause conical wear on the cylinder walls causing premature loss of compression over time.