Since the last post both front shocks have been back off and striped down, nothing unusual found nor anything wrong!
But during reassembly the second time around i did wrap some self amalgamating tape (rubber with no adhesive) around the lower quarter of the springs making sure it was neatly overlaped.
Once all was rebuilt and a test drive undertaken all is good!!!!!!
It must of been the spring in its lower seat knocking with metal on metal over bumps in and out of load!!
Fingers crossed all stays good