Blend all ingredients together and completely cover the butt.
Place in the aluminum tray (uncovered), and smoke for 1 hour per pound at 250°F, or until internal temp reaches at 165°F.
Remove from smoker and strain the juice into a small bowl.
Wrap the butt two times in foil.
Inject about 1 - 2 ounces per pound of the juice into the butt, then wrap 4 more times.
Place back on the smoker at 250°F for 1 hour per pound or until internal temp reaches at 195°F for pulled pork results.