Invader is the limb type, not the model of the bow. So I can' t give any specific info on it. But it sounds to me like the cables have too much creep in them and they need to be twisted up. The cams might also be out of time AND out of synch.

There should be a little rubbery/plastic plaque on the riser that tells what model the bow is. And it should be on the information sticker on the bottom limb... if somebody hasn' t screwed up and removed it. If you can find out that info, you can go to the Hoyt website and get full tune data on the bow, if it was made in ' 97 or later. If it' s older than that, you' ll have to call Hoyt' s customer service.

One item I wholeheartedly recommend is LimbSavers. If you don' t already have some on the bow, get some. Also, a good stabilizer is a great help in calming down noise and vibration. I' m kinda partial to Doinker, myself.

But I think most of your problem will be resolved when you get the string/cable lengths sorted out and adjusted.