Preheat oven to 350 F ( 170 C).
In a bowl combine the dry ingredients - flour, salt, baking soda, baking powder and cinnamon.
Beat eggs and sugar with an electric mixer for 4 minutes, until combined.
Add the oil and mix to incorporate.
Add the grated zucchini and stir to combine.
Next add the dry ingredients to the wet ones and mix until just combined.
Spray a bundt pan ( or a loaf pan) with cooking spray.
Pour the batter into the pan.
Bake for 45-55 minutes, until toothpick inserted comes out clean and the cake top is set.