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Old 05-02-2020, 08:33 AM   #1
deuce5wndw
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Default Oil pump suction?

Just disassembled a Mercury flathead and this is what I found when I removed the pan! Do you think the screen got plugged and the oil pump tried to pull it in? This is a engine with super low miles (19K) but appears to have had lots of short trips. No ring travel, water jackets super clean but the inside gummed up bad.
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Old 05-02-2020, 08:38 AM   #2
51 MERC-CT
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Default Re: Oil pump suction?

Have you determined what the stuff in the pan is?
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Old 05-02-2020, 08:43 AM   #3
Art Newland
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Default Re: Oil pump suction?

A little water in the bottom of the pan froze?
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Old 05-02-2020, 09:04 AM   #4
flatjack9
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Default Re: Oil pump suction?

Yep, the oil pump collapsed it due to the clogging.
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Old 05-02-2020, 12:02 PM   #5
deuce5wndw
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Default Re: Oil pump suction?

That is just sludge in the bottom of the pan. I just thought it was interesting, I had never seen that before!
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Old 05-02-2020, 01:09 PM   #6
marko39
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Default Re: Oil pump suction?

Do you know what kind of oil was used in this engine?
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Old 05-02-2020, 02:38 PM   #7
tubman
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Default Re: Oil pump suction?

The swami sez "Non-detergent".
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Old 05-02-2020, 03:07 PM   #8
flatjack9
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Default Re: Oil pump suction?

The swami knows his sludge.
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Old 05-02-2020, 04:51 PM   #9
deuce5wndw
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Default Re: Oil pump suction?

Have no idea it was in the engine when I got it and I never ran the engine.
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Old 05-02-2020, 04:52 PM   #10
deuce5wndw
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Default Re: Oil pump suction?

Quote:
Originally Posted by flatjack9 View Post
The swami knows his sludge.
That he does!
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