Temp held rock solid for 8 hours, which is a little longer than it usually takes for most of my butts and briskets. I am cooking several butts this weekend so I will take my time and arrange the lump more precisely to see what kind of burn times I can get. I am betting 10-12 hours is possible.
The Beast: 500 Gallon Homemade Reverse Flow
Cajun Fryer FF2