Engine Lube 101: Weight, Temps, Analysis

There's more to oil changes than a drain and fill. Understand the basics, inspect the filter and send samples to a lab for historical analysis.

In my early days of airplane ownership, I might have been naive by today’s standard when it comes to engine oil. But it was stone simple—I flew my airplane, it needed oil, I bought some and changed it. Repeat.  Today, web forums are packed with endless threads where owners fret about filters, additives, change intervals, […]
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