Position rack in lower third of your oven.
Preheat oven to 350℉. Grease and flour bundt pan. When flouring pan, add a good spoonful of flour to pan and turn pan so flour sticks to all sides of pan. Shake out excess flour.
In a large bowl, combine flour, sugar, cocoa powder, baking soda, and salt. Whisk ingredients together until combined.
In a medium bowl, combine vegetable oil, sour cream, eggs, food coloring, vanilla, vinegar, and water. Whisk ingredients until well incorporated
Pour wet ingredients into dry ingredients and stir just until ingredients are combined.