Sift together flour, salt, soda. Cream Crisco, butter and sugar. Alternate eggs and flour and beat after each addition. Add vanilla and mix - fold in sour cream, put in tube or bundt cake pan greased with Crisco and sprinkle flour over pan. Place in cold oven and turn to 325 degrees. Do not open for one hour. Bake for 1 and 1/2 hours. Let cake cool for a few minutes after you remove from oven.