I heard about this quite a few years ago and I have done it before. But I forgot all about it until reading this post. I had just picked up a new PSE DNA on Monday and have been playing with it the past couple days. Being that I only had the rest installed and the tip pin sighted in I didn't do any tuning yet. But I did go and adjust the tiller as indicated on the post. When I checked the measurements there is only a <1/8" difference between top and bottom (about the width of the string). That is a good number to keep in the back of you mind for later reference. Thanks for the reminder friend.