From my experience, the Bite is for heavier oil conditions and the Venom is for medium-heavy conditions as it runs longer and has a sharper backend. The original Widow is solid on either condition, depending on the layouts. It all depends on your style. Hope that helps
Check out some reviews here:
http://www.ballreviews.com/balls/balls.asp?ManufacterID=18
From my experience, the Bite is for heavier oil conditions and the Venom is for medium-heavy conditions as it runs longer and has a sharper backend. The original Widow is solid on either condition, depending on the layouts. It all depends on your style. Hope that helps
This might be of help to you.Good luck anyways!
http://www.bowlingball.com/Bowling-Ball-4444/hammer_black_widow.html