Continuing Oil Leak Woes

Plate between block and timing gear housing leaks when engine cranked:

But strangely, not when the raw water pump rear cap is removed:

From the parts explosion:

timing-gear-housing-parts-explosion

 

It looks like there maybe 2 missing bolts securing the plate to the block.

This picture show a new plate being held up in front of the gears of the gears just to give an idea of what is behind:

timing-gear-housing-rear-plate-2-bolts-missing