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Pre- oiling

PostPosted: Sun Feb 04, 2018 4:06 am
by mooney
I just completed a Top end on my Tsio 520. A friend suggested I should pre oil the engine prior to starting. I lubed everything well during assembly. My friend recommended a pressure vessel with oil plumbed into the engine at the oil cooler. The oil lines are at the bottom of the cooler. My question is into which line do I inject the oil or does it go into the cooler. I seems to me that when I stop pressurizing, the oil will flow back into the container. Is this pre-oiling really necessary?