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Dr. BBQ's recipe in his book is to put the basic rub on them (brine them if you wish) and cook them indirect on the egg for 2 hours at 275. Wrap them in foil and cook for one more hour. I have cooked them brined and not brined with this recipe. Always good. (use wood to give them a smoked flavor).
ps get dr.bbq's book. you can't go wrong