I figure an 8lb uncooked gives 4lbs cooked. At 4oz serving thats 16 servings per butt.. So 8 butts would give you 128 servings +/-. Smaller buns give the appearance of a heftier sammie (Jeez look how much meat they pile on there!!!) and that is good marketing.
Dedicated Stick Burner, Pitmaster @ All About The Q, facebook.com/itsallabouttheq KCBS CBJ