Cook macaroni in lightly salted water till done. Drain in a colander and rinse with cold water. Set aside.
Mix mayonnaise, vinegar, sugar, salt, pepper, milk and pickle juice in medium sized bowl.
In large bowl place cooked macaroni. Add about 3/4's of the mayonnaise mixture to the macaroni. Next add the peppers, pickles, olives and onions. If needed, add the remaining dressing. Add a splash of pickle juice to the salad. The salad dressing will thicken up after refrigeration.
Refrigerate for at least two hours before serving.