I have just been tagged to do 18 lbs of pulled pork for a wedding TOMORROW at 5 pm...18 lbs @ 1.5 hours a pound is 27 hours. I'm no math wiz but between now 9PM is CST and 5PM CST tomorrow is only 20 hours. How can I make sure the butt is done and ready to pull by 5? Can I just turn up the heat some? SO instead of 225-250 ish maybe like 300? PLEASE help! I need this to come out right as many are depending on me. Any tips, tricks to speed this up I need to know RIGHT NOW!!! Thanks in advance.