The Bronco Dune Duster, a special customized version of Ford Division's new four-wheel-drive vehicle, will he on display at the International Auto Show, New York Coliseum, April 9-17. The utility/sports-type vehicle was designed in Ford's Styling Center in Dearborn, Mich., and the customizing was carried out by Barris Kustom, 10811 Riverside Dr., North Hollywood, Calif. Many interior and exterior modifications have been made to the basic…