Assuming you are cooking low-n-slow @ 225-250...you're lookin' at 1 to 1.5 hours per lb. Cook to an internal temp of 190 then start probing for butter...foil & cooler for at least an hour before slicing against the grain.
Wine Country "Q" Competition BBQ Team
PNWBA Team Of The Year 2011, 2012, 2013, & 2014
Sponsored by Big Poppa Smokers, Simply Marvelous BBQ, Kosmo's Q, MAK Grills, BBQr's Delight, and Draper Valley Farms.
We cook on MAK Grills, WSM's, & BPS Drums.