I don''t profess to know alot about drilling but I have the opportunity to buy another break point pearl.  It has a short pin, about 2 in, and 2-3 ounces of top weight.  the question is because of the pin and cg placement, and the way I would like to drill the ball, can I have the MB mark drilled out for my thumb.  I think I read that drilling out the MB makes the ball more dinamic (not sure of spelling there).  what are the thoughts?

           O  -    O
 ---  --                    *

 ---  -- #

             
-                   O - also MB in exact same spot


I have one that is drilled pin under with this layout and I like it, but would love one just a little stronger

         O -  O
  --              *    
 
  ---- -                  #


  -              O
             --    MB

I have about 300 revs, medium track, tweener throwing 16 mph. like to swing the ball just a little (belly hook), bowling on overlays

thanks again for comments

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201 league average 2 leagues
break point pearl
Mutant cell
Magic action
Cherry vibe
14lb agent-first ball I ever owned
skull and cross bones
rogue cell- not my thing


Edited on 2/24/2010 10:03 PM

Pin below finger line and MB in thumb, that's a long span.  The pin should be 6 3/4 from the MB, is your span that long, or is the MB to pin distance short?  Might want to verify that the MB is marked correctly.

Otherwise, yes, drilling into the MB will raise the MB strength.
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-Clint