I am receiving the thing this friday and i need help in having it drilled.I bowl on Brunswick synthetic lanes that are oiled just before we bowl. I have been told they are oiled med. straight accross.I am a stroker,at 61yrs old i have to be,through between 14 and 15 mph and like to play straight up. My pap is 4 and 3/4 over and 3/4 up.Also during the second game somewhere between the second an fifth frame the carry down is awful ahd by the third game they open up again.I hope i have given you enough information. thanks for any help you can give me.