I really appreciate everyones responses. I have a couple of other related questions.
First, my brisket took about 13 hours to cook and then time to rest. Do you guys cook overnight. I'm pretty much a newbie when it comes to brisket (in case you couldn't tell

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I always cook butts and briskets overnight. Depending on how much meat I'm cooking, many times I load the UDS or 'dera up just before I go to bed. If I'm using the Bandera, I make sure I'm up in five hours:biggrin:. If it's the UDS, it doesn't matter when I wake up.:biggrin::biggrin::biggrin:
Second, I foiled my brisket at about 165F and then took it up to 180F. Should I have wrapped it in plastic and then foil? What is the melting point of the plastic?