The "BK" is a VERY underappreciated ball (except by those of us that have one ... I have 2 !!!).
Anyway, Doug ... play with the coverstock surface, and if you still want to "tweak" the reaction, call or email Galen Gentry for his assistance; I have one (see profile) and the balance hole that he recommended for mine has worked wonders !!! (Please tell him that I "sent" you too, OK)
galen@lanemasters.com OR 1-888-526-3645 Pacific Time (8 - 5)
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**** Official "L/LM ball junkie" ****
Man, I LOVE this game; and I love it even more now that I'm using LEGENDS/LaneMasters equipment !!!
"Master the Lanes with Legendary hitting power" !!!
Robb in O'Fallon, IL 62269 (near Scott AFB)
LAYBZZ74@AOL.COM (Email and PayPal addy)