1Place ribs in large resealable plastic bags; add cola. Seal bags and turn to coat; refrigerate for 8 hours or overnight. Drain and discard cola. Pat ribs dry with paper towels.
2Combine the seasonings for rub; rub over ribs. Prepare grill for indirect heat. Grill, covered, over indirect medium heat for 1 hour, or until tender, turning occasionally.
3In small sauce pan, prepare glaze (barbecue sauce). Heat to simmer. Brush over ribs; grill, covered, over medium heat for about 10-20 minutes longer or until browned, turning and basting occasionally.