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fire box sizing and tuning plates

scott straker

Joined Sep 14, 2016
I'm getting a 4' x 8' smoker but it doesn't have an  offset firebox, which I am going to have added.  How do I calculate how big it should be.  Plus, I'm reading about tuning plates.  Do they touch from front to back with gaps between them as they move away from the firebox?  Any help is appreciated.  No time to make a mistake now.  Thanks, Scott


SMF Hall of Fame Pitmaster
OTBS Member
SMF Premier Member
Joined Nov 12, 2010
Fire box 1/3 the volume of the cooking chamber works well....     Tuning plates, seal from side to side and at the FB end of the CC so as to direct all the heat and smoke under the plates...   The gap between the plates is used to adjust the heat on the food grate....


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