Mountain Dew Cake

1 pkg, (18.25oz.) orange cake mix
1 pkg. (3.5oz.) coconut cream pudding and pie mix; not instant
3/4 cup vegetable oil
1 can (12oz.) Mountain Dew
4 eggs

Icing:
1-1/2 cups sugar
4 tablespoons all purpose flour
1/2 cup butter
1 can (20oz.) crushed pineapple
1 cup coconut

Mix all ingredients and bake in a 13 x 9-inch pan at 350ºF for 30 to 40 minutes. You may also bake in three layers, if desired.

Cook sugar, flour, butter and pineapple until thick. Add coconut when icing is cooled, then spread on cake.