Thanks for the quick response! It is coolant not oil. The depth of the holes is about 10mm and I would say that they are drilled perpendicular to the block. It is weeping about one drip every second. The thesis that it is tell tales sounds...

Hi, I am new to this forum and hope that someone has any clue regarding my coolant leakage. I have a 1968 series land rover 2.25 diesel that leaks coolant from the small 4mm holes in the engine block on the left side. The holes are "man made"...