Mine also has both,
The servo take off is a pipe welded on to pipe 4 but not drilled through as I don't use that (no servo) but could be used later for a vacuum gauge or map sensor.
The coolant take off - I have a bypass pipe going round the back of the engine and back to the water pump (no heater matrix) I have read somewhere, probably on here, that it helps cooling the head.
Ozz