Cream together shortening and butter in mixer; add sugar and blend until smooth.
Combine flour, baking powder, salt and baking soda. Add to creamed mixture. Mix on low speed for one minute.
Add sour cream and whiskey/flavoring. Add eggs and beat on medium speed for 2 minutes.
Scale 2 lbs. 4 oz. batter each for 6 greased 9-inch tube pans (or 9x5x3-inch loaf pans).
Bake at 350 degrees F for 55 minutes or until tests done.
Glaze: Beat together sugar, whiskey and water until smooth. Glaze cooled cakes.