Beat oil and sugar at high speed in mixer for several minutes. Add eggs, 1 at a time, mixing well after each addition. Beat in sifted dry ingredients. Add vanilla and mix well. Stir in apples and pecans.
Pour into greased Bundt pan. Bake at 350° for 50 to 60 minutes or until wooden pick inserted in center comes out clean.
Cool in pan for 10 minutes. Invert onto serving plate. Let stand til completely cooled Drizzle with Praline Icing.
Praline Icing: 1 1/2 cups packed light brown sugar 1/4 cup margarine, 1/2 stick 1/4 cup evaporated milk 1 teaspoon vanilla extract
Mix brown sugar, margarine and milk in pan. Bring to a boil. Stir constantly.
Remove from heat. Stir in vanilla. Let stand til slightly cooled. Beat until mixture is of spreading consistency.