Cut pork lengthwise in half into longer strips.Whisk together marinade ingredients until well combined.Place pork into large zip top bag, pour marinade over pork. Marinate for a minimum of 12 hours 24-36 hours is best.Heat grill to 300˚ F. Remove pork from marinade and place on grill. Reserve marinade and place in saucepan and boil for 15-20 minutes on med-low. Bast pork with marinade every 30 minutes. Grill for 2 1/2 - 3 hours. Pork should be 165˚F when checked by meat thermometer. Remove meat and cover with tinfoil. Allow to rest a minimum of 20 minutes to allow juices to redistribute. Slice thin and serve.