Preheat oven to 350°F. Grease and flour two 9x5-inch loaf pans. Mix flour, sugar, pumpkin pie spice, baking soda and salt in large bowl. Set aside.
Beat eggs in medium bowl. Stir in pumpkin, oil, orange juice and vanilla. Add to flour mixture; stir just until moistened. Stir in 1/2 cup of the pecans. Divide batter evenly between prepared pans. Sprinkle top of each loaf with 1/4 cup of the pecans.
Bake 55 to 60 minutes or until toothpick inserted into center comes out clean. Cool in pans 10 minutes. Remove from pans. Cool completely on wire rack.