I seems to me that since these awesome Grills are hand made its a bit different for everyone but what works in the end is the go. I've done two cooks both times I spun the top vent 4 turns opened the left vent. I have the dual model fully until 75 short then spun the top right back and gave it 2 turns and adjusted the bottom right vent 3 notches and the left vent to the third largest hole. And it's has sat perfectly just under 400 Outback Kamado Bar and Grill[emoji621]