Try something like a Visionary Scorcher or Lane#1 Super Carbide Bomb. Shoot, my Visionary Granite Gargoyle was a champ, I'm just too lazy to clean it every 3 games...so I had to give it an early retirement. Anyway, The AMF Angle Evolution Tour was also a phenominal ball for the soup, as is the Track Phenom. Anything with a high load of particles, and has a high flare potential, because you want as much clean ball surface to touch the lanes, so that it rolls over non-oily coverstock. That's just my $0.02...you take it for what it's worth (which might I add, doesn't have the highest exchange rate)!!! :^)
Big Willy Style
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"I was raised by a cup of coffee..."