Gease 9x13 pan, and preheat oven to 350'F degrees
2Combine cake mix, pudding mix, slightly beaten eggs, and vegtable oil in a mixing bowl. Beat on mdium speed until batter is light and fluffy. Add 7-up soda and beat in well pour batter into prepared pan.Bake for 35 to 40 minutes or till done while cake is baking prepare the topping; it will take about 15 minutes to prepare.In a medium non-aluminum saucepan, combine sugar and flour. Stir in 2 eggs, butter or margarine, and pineapple. Cook over low heat, stiring constantly, until thickened, Remove fron heat and stir in coconut,spread over warm cake.