Grease and flour two 9"x 5"x 3" loaf pans. Mix eggs, sugar, oil and flour. Add the rest of dry ingredients and mix well. Batter will be thick at this point. Stir in zucchini, vanilla and sour cream. Batter will be thinner. Add nuts and morsels. Pour into prepared pans. Bake at 350 degrees F for 60 to 65 minutes. Cool in pan 10 minutes then remove from pan, cool thoroughly.