Preheat oven to 350 & lightly grease two large loaf pans.
In a large mixing bowl combine oil, sugar & eggs. Beat well.
Stir in pears, pecans and vanilla.
In another bowl, mix together flour, baking soda, baking powder, salt, cinnamon, and nutmeg.
Stir dry ingredients into the pear mixture. Mix well.
Pour batter into loaf pans. Bake for 60 minutes or until done.
Allow loaves to cool in pans for 10 minutes before moving to a wire rack to cool completely.