I HAVE HAD SOME GOOD TURNOUTS WITH RIBS ON THE SMOKER BUT NOT WITH PORK BUTTS. I CAN'T SEEM TO GET THEM TO PEAKOUT @ 175-190 AND THEY HAVE BEEN ABOUT 3 1/2LB AND HAVE SMOKED THEM FOR 6-8 HOURS. I ALWAYS HAVE TO FINISH THEM IN THE OVEN. I THINK THIS IS BECAUSE OF TEMPS. I CAN NEVER GET MY TEMPS...