I just went through this, let that oil drain out. You can even remove the hex plug to drain it out of the bottom. You will then want to clean the air box so it is free from oil. When the engine is being preserved if an intake valve is open some oil drains down the intake runner, I probably had 4 oz. I left the preservation oil in being careful not to rotate the engine and will drain according to Lycoming’s instructions just prior to first start.
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RV14A #140083
Flying! 8/12/19
2019 Donation
Last edited by Tom023 : 05-20-2018 at 09:35 PM.
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