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How to Make Your Engine Last

Whether you operate on the rich or lean side of peak EGT, make sure you understand proper leaning technique. And know this: If you want to fly fast, you must operate rich of peak; lean of peak is for economy only. Jon Whittle
Gemini Sparkle

Key Takeaways:

  • To maximize engine lifespan, strictly follow manufacturer recommendations for maintenance and operation, rather than anecdotal advice from unofficial sources.
  • Essential practices include routine fuel system calibration, flying the engine regularly at appropriate power settings to prevent corrosion and deposits, and adhering to proper long-term storage procedures.
  • Correctly understand and apply mixture leaning techniques (ROP vs. LOP) based on engine type and flight goals, utilizing comprehensive monitoring tools like multi-cylinder engine analyzers and regular oil analysis.
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If you want to ensure your engine has the best chances of reaching TBO and beyond, here’s advice that could end up saving you big time: Stop listening to all the supposed “experts” in airport coffee shops and online forums who claim they know it all. There’s a good chance they don’t — and the wisdom they spout could be the polar opposite of how you should be caring for one of your biggest aviation-related investments and the one piece of equipment you literally can’t afford to have fail at the wrong time.

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