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Butts done in 10 hours

valleyboyvalleyboy Posts: 15
edited November -1 in EggHead Forum
Put 2 7.5lb butts on egg at 10:00pm. Hled temp at 250 for over an hour. At 5:30 am meat was at 190 and egg at 3:20. What caused temp to rise to over 300? Too much charcoal? Too much draft?


  • Austin SmokerAustin Smoker Posts: 1,467
    Too much oxygen....yep
  • thegrillsterthegrillster Posts: 348
    How long was the temp at 250 before you put on the butts? Stabilizing the temp before the meat goes on is the important factor.
  • Grandpas GrubGrandpas Grub Posts: 14,226
    It always goes back to this: Heat = Fuel + Oxygen.

    What were your vent settings in the morning?

    The vents should have been, bottom vent open about 1/8 to 1/4 inch. DFMT, slider closed and petals open about the width of a round tooth pick at the widest point. That or close will hold a large about 250°.

  • Grandpas GrubGrandpas Grub Posts: 14,226
    goes. On butts, figure about 1.5 hours per pound. If multiple butts and they are not touching use the weight of the smallest butt.

    7 pounds x 1.5 is about 10 hours. Cook time seems pretty close.


  • chrisnjennchrisnjenn Posts: 534
    Every butt I have made takes at least 2 hours per pound at 240-250 degrees dome. So getting a 7.5 pound butt done in 10 hours seems extremely fast to me. 7-8 pound butts is the size I usually buy and it takes me 18-20 hours normally to reach 195. Your temp must of been well over 250 for a while.
  • atlpatsatlpats Posts: 102
    I'm sure they will still taste great!
  • I know you said it was at 320 but keep two things in mind. One, the cooking temp and dome temp may differ, anywa. Two, unless you have calibrated that dome thermometer you really can't be sure it wasn't cooking much hotter than 300-320.

    If I had to guess I would say it was either at 320 for most of those ten hours, or your therm needs calibrating in a bad way.
  • tacodawgtacodawg Posts: 335
    I read on an different post that as the meat is cooked the temp will climb a little because the size of the mass(meat) starts to shrink. I think the temp was not 100% stabalized. I got a micro adjuster for slo cooks so I can keep track of settings easier. I think it has six or seven little holes so it is easier to remember and keep track for future cooks.
  • valleyboyvalleyboy Posts: 15
    Thanks, I think you nailed it. Can't wait to try it all over again1
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