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20241212

Ask Paul: How can I improve my engine’s cruise oil pressure?

By Paul McBride · January 12, 2024 ·

During my second test flight, I noticed cruise oil pressure at 55 PSI. As it has the longer housing regulator, I added three washers and replaced the check ball. The result was oil pressure at cruise around 65 PSI and 40 PSI at idle. It’s within spec, but I’d like some more room over minimums.

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