For sugared pecans: combine sugar, margarine, orange juice, cinnamon and red pepper and cook to boiling. Boil for 1 minute. Add pecans and coat well. Bake on cookie sheet at 200 degrees for one hour stirring every 15 minutes. Cool completely and store in air-tight container.
For dressing: combine all ingredients and refrigerate for 1 hour.
For salad: combine ingredients, adding pecans and oranges last. Add dressing and gently toss.