12lb'er i would say start it around. 0300am or so and it should be ready to cooler by 430-500pm i usually run my briskets in the 230-240 range.
HALF DIAMOND RANCH BBQ
Home made 5' reverse flow smoker
Weber Kettle 22 1/2" silver series
Weber Copper Smokey Joe Gold 14.5"
GPS trackable RED super fast thermopen