There was also one other killer problem with the Super 2. The comm brushes tended to have way too much drag on the comm. By the time the spring and brush were stacked into the too-shallow brush tubes, the springs just acted as bound-up spacers and jammed the brushes hard against the comm. Nice design, total fail in execution. Pull out the magnets and try to spin the arm with the springs and brushes in place. If it's tight, there's your problem. You may be able to shorten the spring by a coil and/or sand the comm brushes until it feels normal compared to, say a Mag Trac. Hope this helps.