Preheat oven at 350 degrees Grease (2) 9 by 5-inch loaf pans.
Sift together flour, baking powder, salt, spices and baking soda.
In a large bowl, beat eggs until light and fluffy. Add sugar, and continue beating until well blended. Stir in oil, vanilla, zucchini, pecans, chocolate chipsĀ , and orange zest. Stir in sifted ingredients. Pour into prepared loaf pans.
Bake for 50 minutes, or until a skewer inserted in the middle comes out clean. Remove loaves from pans and cool. Chill before slicing.