Into a large bowl, sift flour, sugar, baking soda, salt, baking powder and spices. Add shortening, orange juice and shredded fruit. Beat 2 minutes at medium speed. Add eggs. Beat 2 minutes longer. Stir in nuts. Pour into greased and floured bundt cake pan or 10 inch tube pan. Bake 70-80 minutes at 350F. Cool 5 minutes and then take out of pan. Cool thoroughly. Sprinkle with icing sugar, or frost with Jack-O-Lantern Frosting.