I did my first over night cook on Sunday. Fired up with Royal Oak lump and some hickory pieces. Loaded the fire ring half full and added 3 chunks about hand size, then filled up the rest of the way and added 3 more chunks and topped with chimney full. Loaded 2 9 lb butts and let her go. Had 2 vents 75% closed and the other about 50%. Had it up to temp in about 20 minutes and stayed there for 10 hours. Then I added some additional RO and a few hunks of hickory. Tried to turn over butts but were about to fall apart so I didnt turn them. I added 2 fatties and about 3 lbs of smoked sausage. It all turned out awesome and I got lots of leftovers like I planned. I really liked the way the cooker worked with the lump charcoal. I think it was a easier fire to control. I hadnt been putting enough fuel in befor when I used the WSM. I recomend reading Mr Wiviotts site for basic info on the WSM.