
In a Dutch oven over medium heat, cook and crumble beef with 1 envelope plus 2 tablespoons taco seasoning, until meat is no longer pink; drain.
In a very large serving bowl, combine the lettuce, chips, tomatoes, beans, olives, cheese, onion, chiles and beef mixture.
In a small bowl, combine the salad dressing, salsa, sugar and remaining taco seasoning; pour over salad and toss to coat.