In a large mixing bowl, mix together oil and sugar. Add eggs, one at a time, beating after each addition. Add flour, baking soda, baking powder, salt and cinnamon; beat well. Stir in vanilla, apples and pecans. (Mixture will be thick).
1 cup vegetable oil, 2 cups granulated sugar, 2 large eggs, 2 cups all-purpose flour, 1-1/2 tsps baking powder, 1 tsp baking soda, 1 tsp table salt, 1 tsp ground cinnamon, 1 tsp vanilla extract, 3 cups peeled and finely chopped green apples, 1 cup chopped pecans