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Old 05-14-2017, 10:37 PM
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Default IO-540 oil drain

I have a BPE IO-540 with the AFP fuel injection system. The oil drain has a Tee that connects a hose from a little higher point on the back of the engine. The bottom of the Tee has a B nut that must be removed to drain the oil. Why is the Tee necessary and is there a better way to drain the oil?

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