Haven't used it on a brisket yet. The initial runs have revealed a flaw in the air supply. It appears that 3/4" liquidtite is not large enough. I am modifying the air supply to 1-1/2". I'll post back when I have more data.
El Cheapo Royal Oak charcoal grill (heavily modified and repaired), Chargriller Pro, Webber 22.5" Silver, Webber Smokey Joe, Hibachi, UDS, ECB Square
My name is Monty, dad, or grandpa...depending on who you are.