Beat eggs until light and foamy; add sugar, oil, carambola, and vanilla. Mix lightly, but well, by hand. Combine dry ingredients, sifted together, to first mixture and blend well. Stir in nuts and pour into 2 greased and floured 9 x 9 x 3 inch pans. Bake at 350 degrees for 15 minutes; lower heat to 325 degrees, and continue baking for 45 more minutes. Do finger test to tell if done. Makes 2 loaves.