Fred, There is no magic in bowling. No Voodo drill or magic bowling ball. You used a strong core and medium cover to get good reaction. More than likely, the layout suited what you were looking for
Gordon, Sounds like the equipment you roll is a bit too strong for the lane conditions/lanes, and you may have slowed down your ball speed a bit. Are your lanes wood with a synthetic film covering?
GW, -- will i get more reaction by rolling lighter ball? No, lighter balls has lesser weightblocks. Unless you have strong skills and know you can put enough hand in your shots to get the reaction
Fred, Early, for a player that rolls the ball slowly, usually doesn't provide enough backend reaction on anything other than oily lanes. I'd take your wife onto the lanes and see her roll the ball. Gauging
Fred, The earlier pin position in the ball layout would cause the ball to start rolling too early for Laura's speed. I expected she had more speed, thus the earlier pin position. I prefer a strong core/pin