Peepers -- it sounds like you are experiencing "shaft wobble" with your Equinox stock shaft; as Dan mentioned, I offer high-quality, hand-built carbon-fiber shafts for the Equinox that offer several notable improvements over the stock shaft. I'm going to include a link, below, to a post that I made on my "vendor page" here on the T-Net. I think this will offer you the information you are requesting...