More Magnum Block Oiling Questions

The 88-92 was a long snout cam with the oiling holes in the number two and the number four cam journal.

The difference in the short block of the early roller Motors and the magnums was that the Magnums had lighter rotating assemblys.
That's why the balance is different between the early 360s and the Magnum 360 s or 5.9 whatever you want to call them.