No Egg Chocolate Cake (Moist)

3 cups flour
2 cups sugar
7 tbsp cocoa
2 tsp soda
1 tsp salt
¾ cup oil
2 tbsp vinegar
2 tsp vanilla
2 cups cold water
Sift dry ingredients together into large bowl and mix. Add oil, vinegar, vanilla and water. Beat well. Pour into 9x13 inch pan. Bake at 350 degrees for 35 minutes or until cake springs back when touched in middle. No frosting necessary.