i have done a "few" butts, none were amazing just ok. main issue my smoker is not hot enough so i have to do 1 hr smoke then into the3 oven. so now, i have a brinkman gourmet charcoal smoker. i have spent today getting used to it and regulating temps because im not used to charcoal. so now im looking for -optimum "low n slow" all day temp goals. -max temp to pull it out at -length? internal temp? -any suggestions with using coal, im new at it. -rub/recipes!!!