Wow! That is a tiny brisket. I think I would give it an hour of smoke, low heat, then foil and finish it hot and fast. Go until tender, although I have no idea what to recommend on timing.
"perhaps...but then again...maybe not..."
careful there son, those ribs are boiling hot...
(='.'=) Here there be bunnies...
Pacific Rim BBQ
Bob's Brew and Que