I just poured a couple ounces of mmo on top of cylinder 2 and it slowly drained in about a half hour. Will piston rings let oil go by like that or are the supposed to let some air by?
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1971 Tartan 34C Sloop "NOVA LUNA", Rebuilt (2019) Fresh Water Cooled A4 (Bought boat in 2014)
1968 Tartan 27 Yawl "Destinada", rebuilt Old Lyme freshwater A4 (Sold boat in 2014)
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