1. Cover and freeze pork for 45 minutes. Cut pork across the grain into 1/8-inch-thick slices. Sprinkle pork evenly with salt.
2. Combine sugar and next 6 ingredients (through garlic) in a large zip-top plastic bag; knead to blend. Add pork to bag; seal. Marinate in refrigerator for 3 hours, turning bag occasionally.
3. Preheat grill to medium-high heat.
4. Remove pork from bag, and discard marinade. Place pork on a grill rack coated with cooking spray. Grill for 1 minute on each side or until desired degree of doneness.