Originally Posted by NEIL A
Unlucky Andy was this in your own engine ?
As Martin says how can it be a one off if they are cnc billet they will get made in batches all identical.
no it was on another engine
they have bored in throu the side of the pump to do machining inside it then pressed in a blank into the side of it to blank the hole and machined round the out side so from outside it looks like one piece