I messed up when I ordered my Keith Black block and didn't get it drilled for pushrod oiling because at the time I was planning on running my 440-1 Indy heads. Tom Hemphill drilled it for me so now I can oil either way. My B1's require pushrod oiling.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time