"The scavenge side of the oil pump has a much larger capacity than the delivery side,
it would have to be REALLY REALLY worn for this to be a problem ?
Or have eaten a lot of grit for breakfast ...
Do Commandos do big enough mileages that this can become a problem ??
The oil pump is swimming in oil ..."
yes but not often...
The scavenge is 1.666 times the feed. That ratio is the same whether the narrow gear pump or wide gear pump.
Having tested pumps that absolutely would NOT evacuate the sump and gets worse as the oil gets hot.