Preheat oven to 325 degrees. Grease a bundt pan with Crisco and flour.
Beat the eggs, sugar, and oil until smooth. Add in the orange juice and mix well.
Sift the flour, salt, baking soda, and cinnamon together. Add this flour mixture into the sugar mixture and beat well.
Add in the vanilla and stir in the apples and walnuts.
Pour batter into greased bundt pan. Bake for 90-85 minutes or until a toothpick inserted into the cake comes out clean.
Let cake cool for 15 minutes before removing from bundt pan.