Combine eggs, oil, sugar, vanilla; beat until smooth and thickened. Stir in zucchini and well drained pineapple, flour, soda, baking powder, salt, spices. Fold in chocolate chips and nuts.
Spread batter in 2 greased 9 x 5 x 3 loaf pans or in muffin cups, filling cups to about 1/2 full. Bake loaves at 350 degrees 1 hour or until wooden toothpick comes out clean. Bake muffins at 350 degrees for 20 minutes.