In a large bowl, combine the flour, cinnamon, salt and baking soda. In another bowl, beat the eggs, sugar, pumpkin and oil. Stir into dry ingredients just until moistened. Fold in chocolate chips., Pour into 2 greased 8x4-in. loaf pans. Bake at 350° for 60-70 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pans to wire racks.