Prepare 9 inch spring form pan with cooking spray. Preheat oven to 350. Beat eggs on medium for 1 minute. Add oil, vanilla, milk and sour cream then beat for another two minutes. In separate bowl, mix flour baking soda, baking powder, salt and sugar. Add this dry mixture to the wet and mix for a few minutes until well incorporated. Do not over mix. Pour the batter into the spring form pan.