You are my man, Lance.
I suppose it could be so 6-8 lb of meat.
And if you used the second floor, it could be 10 to 12 lb.
I like your use of heat / smoke at maximum - i'm doing it anyway, in most longer cooks.
Let us know how it turns out. Looks good, but raw meat can not be eaten.
Those look very good. I like country style ribs,throw them in my cooking rotation on a regular basis. Rub them with cajun seasoning and cook on high heat is how I do it.