Preheat oven to 350. Lightly grease and flour a 9 x 5 inch loaf pan. Mix dry ingredients in large bowl. Make well in center and add mixture of melted margarine, pumpkin, water and egg. Stir well, but don't beat. Add nuts and raisins. Bake 1 hour and 10 minutes and test with toothpick for donesness.