Difference between st205 block and sw20 block

[acylon]

The only things that I could find that matter are:

st205 has holes drilled for the oil pan windage tray and no hole for little water line on back of block (near distributor)

ST205 below, 4 holes


Sw20 gen2 (same as st185) below, no holes


Sw20 gen2 (same as st185) below, water hole top left


ST205 below, no water hole top left