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AMF Bowling Ball Drilling Pattern #4
- For this layout, we will select a ball with a pin distance of 2.5" from the CG.
- Place the major pin 1-1/2" from the PAP. Remember to keep the pin along the line located between the PAP and the player's finger holes.
- Place the mass bias in the player's track.
- Check side weight to see if an extra hole is necessary. If so, place the hole on the PAP.
- This layout will produce heavy roll with a controllable backend reaction. Players with extensive side roll or high rev players will love this layout to help control dry, short oil patterns with very dry backends.
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