I can't swear to it, but I think a lot of guys that are getting wear are not setting the WS far enough forward. I thought I had mine just right and I ended up lopping off another 1/4" to get it just right.
Something you might notice is that the end of your cable rod you removed to install the WS is rounded on the end. The hole in the rise is also rounded at the bottom. So, when you trim the end of the WS rod to the same length as the old cable rod you end up with a small problem. When we cut our WS rods they end up with a squared end and they don't bottom to the same depth as the old rod. Depending on how rounded off the stock rod is, you can end up anywhere from an 1/8" to 1/4" longer than you need.
Just some thoughts.