911 ?

[84 hot air]

engine is missing chunk above cam going into the oil pump from the galley looks cleanly broken mod or new block old owner had the engine rebuilt once

 

[jasjamz]

Normal on that block. I have one the same way.

 

[MikeStarner]

i had never heard of that my 3 blocks dont have that issue

 

[jasjamz]

Here are pics of the block I have... 84/85 engine block

 

[MikeStarner]

gotcha thought we were referring to a hole in the lifter valley itself not in front of the valley