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Old 02-07-2024, 09:01 AM   #8
Bob Bidonde
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Join Date: May 2010
Location: Long Island, NY
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Default Re: Oil pump aerating oil

Just a wild guess, but are you sure that the liquid in the crankcase is an SAE rated motor oil? The reproduction stuff called 600W has poor anti-aeration and will behave as you stated. Maybe that stuff or some other additive is in the crankcase????/
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