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10-24-2021, 12:41 PM | #41 |
Senior Member
Join Date: May 2010
Posts: 2,173
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Re: Changed The Weight Of My Oil
Maybe oil additive or gasket material separating out? If a blob of residue with disappearing flakes is dissolved in gasoline, does anything separate and drop to the bottom? If not, probably not metal.
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10-25-2021, 12:34 PM | #42 |
Junior Member
Join Date: Sep 2018
Posts: 5
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Re: Changed The Weight Of My Oil
Hi. I have a stock 1939 Ford Tudor. I was running standard non synthetic 10W-30. I had the same issue, as you. I run 20W-50 and my oil pressure is much higher a crusing speed. And idle on a hot engine. My oil pressure would really drop at idle.
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10-25-2021, 02:05 PM | #43 | |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,754
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Re: Changed The Weight Of My Oil
Quote:
I just came in from the garage after taking the pan off an unknown engine. The sludge in then bottom of the pan was 1" thick in places. The oil pickup was 95% blocked. I'm glad I pulled the pan and was shocked when I saw what was inside. From that experience I can't help thinking the unwritten rule is probably correct. |
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