Thanks for the input. It already has six evenly spaced 3/4 inch holes for exhaust. I was also going to add a weber kettle top but this would limit the exhaust even more. I guess I'll open it up a litt ...
I'm used to adding ashed coals to my offset as needed but now that I've built a UDS I'm having trouble getting good clean smoke from it. After I add ashed coals to the unlit coals I can stay about 240 ...