The Permatex gray was placed over the upper and lower seams to bolster the sealant of that particular area along with the rubber o-ring. I believe it's the same methodology that Subaru recommends for sealing of timing plate covers.
The secondary o-ring will likely not be on the production plate. There doesn't seem to be any oil flow coming from that secondary hole so I believe it's inclusion on the prototype plate was a "just in case" type scenario.
The physical location of the plate is the passenger side rear of the engine. If you pop the hood and stick your head down in the area where the battery is you will see the oem plate.
Quote:
Originally Posted by White64Goat
1. What was the gray gasket sealer used for?
2. In the picture of the block with the plate removed, was there an O-ring located in the small relief around the upper opening since I do not see a small O-ring anywhere in your pictures. (There is one on the new plate)
3. Where is this plate located on the block?
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