I just dropped from 16 to 15, the Buzzbomb was the only ball in my bag that I was going to replace with a 15, all the others were going to be replaced with something else. The 16lb ball had a 3.5" pin, placed above ring cg kicked out. the 15lb ball has a 1-2" pin placed below the ring with the cg also kicked out. My driller Otis Pillow and son Billy drilled them both and made absolutely sure there was no bottom or thumb weight, just finger, side or top. I thought the 16lb. was a beast until I sent the 15lb ball down the lane the first time last week, granted I do get more revs from the 15lb. ball but holy smokes does this thing hook and in the heaviest oil I have seen all year, it starts huge in the midlane and never stops it only gets stronger in the back end. My pap is 5.7 over .7 up and I am a pretty high tracker. It has been said more than a few times on here to place the pin below fingers and cg kicked out with NO thumb or bottom weight, I now tend to believe this to be good advice, for I just cannot believe a few more revs alone made such a difference.
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Patrick