COOK bacon in medium saucepan until crisp; drain. Reserve 2 tablespoons bacon fat. Return reserved bacon fat to saucepan. Add potatoes, carrot, onion and celery. Cook, stirring frequently for 6 to 7 minutes or until potatoes are tender.
COMBINE evaporated milk and flour in small bowl until blended; add to potato mixture. Stir in clams with juice, salt, bacon, Worcestershire sauce and pepper. Reduce heat to medium-low; cook, stirring frequently, for 15 to 20 minutes or until creamy and slightly thick.