In a large bowl, combine the flour, pumpkin spice, salt and baking soda. In another bowl, beat the eggs, sugar, pumpkin and oil. Stir into dry ingredients just until moistened. Fold in 1 ½ cup chocolate chips.
3 cups all-purpose flour, 1 Tablespoon pumpkin spice, 1 teaspoon salt, 1 teaspoon baking soda, 4 large eggs, 2 cups sugar, 2 cups canned pumpkin, 1 1/2 cups canola oil, 2 cups semisweet chocolate chips