Originally Posted by bjm
That's sort of correct...
The left and middle crank are rear thrust (from rear thrust block) and the right crank is centre thrust.
Apart from that what you say is essentially correct.
The photo was to illustrate the double cross drilling and 45 degree phase difference as well as the factory nitriding.
well, they could
all have the 3&5 main thrust locations...subaru does that from the factory now for one part# per stroke