Big broad brush statements by some. Many variables to consider. Did ball speed go up, breakpoint change, amount of boards covered less or more, more/less axis rotation or tilt? Each one kinda has to be answered to a degree for some enlightenment. I personally found 15 to give me a better read on med/lighter oil shots and 16lb on heavier oil volumes and wet/dry as it blended better. I tend to come around 15's more. That statement also lends itself to the variable of how much muscle is in your armswing/delivery.