The newer scruby LS block is made the same way from the factory.

Gary Ryan San Antonio.TX.

scruby lovers see the light:  CN Block machines from alloy billet a small block scruby with main caps being level with the pan rail.  Champion Speed Shop uses this engine in a nostalgic top fuel dragster. 
CNBlocks.com  openly calls it a "Y Block"    Dec issue of Hot Rod, Worlds quickest Small Block Chey's

Richard