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Re: Do you spray your gaskets before putting them on?
While researching for something else, I found my answer.
" Note the screw in plug on the left (circled) - that is to allow the factory to drill the oilfeed hole from the bearing journal into the oil galley."
Looks like it's just a one time use thing when they made the blocks. The oil holes would be directly across from these screw in plugs.
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