Shred zucchini and set into a strainer, and squeeze out some of the extra liquid.
Preheat the oven to 350 degrees Fahrenheit.
Spray a 9x13 pan with nonstick spray.
In a large bowl, stir together oil, brown sugar and white sugar.
Mix in the eggs and stir till just combined.
In another medium bowl, whisk together the flour, baking soda and powder, salt, and cinnamon.
Gently fold the dry ingredients into wet ingredients until all mixed.
Fold in the zucchini and pecans.
Pour into the prepared 9x13 pan
Bake for 25-35 minutes until toothpick insert comes out clean or edges are pulling away from sides.
Cool completely on baking rack before frosting.