I finally looked in the manual.
The brgs with the grooves go in the block side of the brg locations (excluding the thrust brg location) and should have holes in them that locate over the oil supply hole in the block. The main brg at the thrust brg location does not have any grooves and the tabs will only allow it to fit at this location. The brg cap brgs do not have grooves and should have different tabs versus what goes at the thrust brg location.

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Jim