Here are my ideas to start a arsenal:
Track slash - drilled 4x2 -light to med oil
Dynothane energy - drilled 3x3 -med to heavy oil (benchmark ball ?)
Morich shock and awe - drilled 4x4 -med to heavy oil
my specs are:
PAP- 4 1/2 > and 1/2^
ball speed - 16-17 mph
rpm - 325-375