First off I would get it checked to know how much finger and top you actually have. Then my solution would be to go back and drill the fingers deeper. This will remove finger, as well as top weight. If this still isn't enough, add a weighthole to help get the ball into an earlier roll.
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*Erie Community College bowling*
Buffalo bowlers are the best all around in the country.
MoRich 4ever!!!! If you don't have one, try one. You won't be disappointed!!!