Mix together flour, baking soda, salt, and cinnamon
Combine vegetable oil, granulated sugar, brown sugar, and vanilla extract
Add eggs to the wet ingredients
Fold in grated carrots, pecans, and raisins
Combine wet and dry ingredients
Bake according to recipe instructions
Beat cream cheese and cornstarch together
Add powdered sugar to cream cheese mixture
Whip in cold heavy cream until frosting reaches desired consistency
Frost cooled cake and top with chopped pecans
