Chezmatt
Full Fledged Farker
So 275-300F will get me all done with a juicy final result? No need to go low 200's?
Definitely. There are a ton of threads about this around here if you want to see some discussion about it. Just search for "hot and fast."
Also, here's my basic rub for pork butt:
3 tablespoons paprika
3 tablespoons kosher salt
2 tablespoon brown sugar
1 tablespoon garlic powder
1 tablespoon dry mustard