1In large bowl, cover wood chips with water; soak 30 minutes.
2Drain wood chips. Prepare and heat smoker using wood chips and adding water to water pan following manufacturer’s directions.
3In small bowl, mix rub ingredients. Cut rack of pork in half to fit on smoker rack if necessary. Rub spice mixture into pork.
4Place pork on rack in smoker. Cover and smoke 4 hours 30 minutes to 5 hours or until tender and no longer pink next to bones. If smoking stops, add additional wood chips through side door of smoker. Serve pork with barbecue sauce.