With electable peeler, peel thin strips of potatoes lengthwise to make ribbons. Pale in 1 quart of ice water; add 1 tablespoon of salt. Heat about 1 inch of oil in deep fryer or heavy pan to 365 degrees. Combine chili powder, salt, garlic salt and cayenne pepper; set aside. Drain potatoes and pat do with paper towels. Fry potatoes in batches until golden and crisp; remove to paper towels. Season with chili powder mixture.