In a large bowl, combine the flour, sugar, pecans, oats baking powder, salt and cinnamon. In a small bowl, beat eggs; combine with zucchini and oil. Stir into dry ingredients, stirring only until moistened (batter will be lumpy).
Fill greased muffin cups 3/4 cull. Bake at 400° for 20-25 minutes or until a toothpick inserted in the center comes out clean. Cool for 5 minutes before removing from pan to a wire rack.