Have G0704 and am having troubles power tapping. The standard R8 collets I have been using are allowing the tap to spin within the collet, no matter how much I tighten them. Is there a better way and an economical one at that to secure these little buggers?

Also, anyone with an upgraded KBB board? Need some guidance adjusting the pots to maintain speed, torque. Not very fluent in electrical stuff.