Originally Posted by Moonstone Mart
Originally Posted by andrewg
tommy field has had these removed before. think he got them spark eroded out
spark eroded? whats that all about?
Mart
basically you put the component, in this case the block, in a tank of parrafin, then it uses a metal elctrode ( we used brass or copper) to spark the the broken part away. it passes a current from the electrode to the stud erroding it as it moves down.