The Monza GT content starts around :30. No sound. This is supposed to be the XP777 Monza GT chassis #3 (rear mounted modular flat 8/6 motor), with a front fiberglass clip from the Monza GT and a fabricated aluminum rear clip made into a roadster resembling the XP782 production version Monza SS. Bill Krause drove it to within one second of the lap record at Riverside International Raceway. Later chassis #3 became the chassis for the Astro I. But it raises more questions than answers. Maybe your viewers will be able to provide information.—Roy Lonberger. Video provided by James Musser.