Have to cook a 55 pounds of top round roast going to cut to around ten pounders.Cooking 31 pounds of pork tender loin.these are around 7-8 pounders. Cooking boneless chicken thighs. Going to cook at 250 -275.I can cook at higher temps. 275 - 300 How long for each of these items. The want to eat at 5 PM. I am going to let the meat rest. I want to have some leeway. There is going to be around 150 people there.