RE: BK II
They are WAYYYYYYYYYYYYYYYY underspined.
Goldtips get a bit soft at the upper end of their spine range as is.
I would be shooting the 75/95's at that draw weight and your draw length, even with the 27.5" arrow.
Those cams are FAST...they like a stiff arrow.
JeffB <img src=icon_smile_big.gif border=0 align=middle>