Your vanes are not the issue - at least not directly.
Some possibilitiies would be: under-spined or a vane clearance issue.
My suggestion is to download and read the Eason Tuning Guide:
http://www.willowcreekarchery.com/Ea...ning_guide.pdf
Last edited by kwilson16; 01-20-2010 at 03:39 AM.