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THANKS FOR THE KIND WORKS BEN. OUTSIDE PIC WITH DOORS AND CARBON ROOF ON.

I was able to get my hands on another L28ET oil filter bracket and was able to trace the flow of oil. 1. Oil from the block flows through the outer portion of the adapter and into the filter through the holes on the perimeter of the filter. 2. Oil then passes through the filter media and flows through the threaded hollow center mounting stud, and then out of the offset port of the oil filter bracket on its way to the cooler. 3. Oil then flows from the cooler back into the engine through the center port of the oil filter bracket. What is confusing is the diagram in the FSM shows the offset port on the opposite side of how it actually is. (see attached picture) Anyway, I now know which is the "hot" line from the engine to the cooler which is what I needed to know to install a remote oil thermostat. .