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  #37   IP: 24.152.132.140
Old 07-03-2018, 07:55 AM
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ndutton ndutton is offline
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The hole you circled, the center one at the bottom of the pan, is intended to remain open. It does not have anything to do with the wet oil area of the pan but is instead a path for errant liquids inside the flywheel housing to have a way out.

I took a close look at my spare engine currently sitting level on a test bed and filled with oil. The hole is clear through the solid pan flange into the flywheel housing and remains bone dry.
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Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others

Last edited by ndutton; 07-03-2018 at 08:21 AM.
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