AMF Bowling Ball Drilling Pattern #2

  • Locate the mass bias and mark it with an 'MB.'
  • Place the major pin 4-1/4" from the player's PAP and locate the mass bias (MB) along the player's perpendicular axis line (PAL).
  • This layout will most often require an extra hole, so place this hole on the PAP and remove excess side weight to '0.'
  • This layout works well to produce medium length and heavy midlane roll.
  • Usually works well on medium to heavy oil, especially longer oil patterns.




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