BGFisher,

I understand your confusion on this subject. I recently posted the changes to my set up asking for help because I am in no mans land. I just had neck / spine surgery last thursday. I have reset my bow because I would not be able to draw 72 lbs. when the DOC. releases me. I am having to reinvent the wheel, so to speak, for after my recovery. Thus the 55 lb. weight. I wanted to honor the deer by getting the set up as "right" as I can, and when the doc. says I can hunt I will be ready and running out the door. The last thing I would want to do is go out half cocked, and poorly tuned, and "hurt" the animal. So I am tring to make sure I have done my part. When I looked at the idea of 400's at 72 lbs. shooting pretty well, verses 400's at 55 lbs. and the way they were flying, ( not bad but not great ), I began to wonder about the arrow spine. This is my attempt to see if that could be the problem. Thanks for the input.