timing

I'm smoking 2 Boston butts this weekend and the recipe I'm following says to smoke 'em to 165, then foil 'em, then put them back in until they hit 200. Any theories how long going from 165 to 200 in the foil might take? I'm trying to figure out my schedule... Thanks in advance!

I just got the WSM 22.5 last Christmas and looking forward to using it this season. I have a basic question regarding timing. From the time I light the first chimney of charcoal, how much time does it usually take before it reaches 250 degrees and I can begin smoking. I'm sure the method I'm...