Z axis flex issue w/ z axis eccentric nut mod & 30 min x axis mod

Here is the post where I mounted the new Z-Axis.

And the link to the one I bought:

http://www.ebay.com/itm/Z-AXIS-SLIDE-6-034-TRAVEL-FOR-CNC-ROUTER-3D-PRINTER-PLASMA-/121988435292?&_trksid=p2056016.m2518.l4276