I have both but never matched up too well with the SZ OOB, perhaps I just never encountered enough oil. I took my SZ to 1000 ABRALON and got a much better reaction on medium heavy to heavy oil. It produced a nice midlane read and then a strong arc. It's drilled with the pin 4 inches from my pap (above and just right of ring finger) and mb just right of the thumb. The Hawg Zilla is very, very smooth down the lane with a nice controllable arc and powerful last second snap into the pocket. I have mine drilled with Pin below the bridge )about 5 1/4" from my pap)and have kept the cover at 4000 Abralon.

I don't think the two will ovelap particularly OOB. The SZ will handle the soup and the HZ will give you more control on the medium to medium heavy conditions. Keep in mind that my HZ is not drilled aggressively. If it were stacked it might give the SZ a run for its money but with its smooth Abralon finish it's most likely no match for the wet sanded 800 grit OOB SZ.

Edited on 10/16/2006 1:02 AM