Mix cake mix as directed on box except: with 5 eggs (omit oil and reduce water to 1 cup). Bake per directions on cake mix box in greased and flowered 9 x 13 pan. While baking, whisk together the evaporated milk, condensed milk and 1 1/2 cups of whipping cream. When cake comes out of the oeven, poke holes in hot cake and pour the cream mixture over the hot cake. Cover with foil and refrigerate.