Designed by Argentinean born mechanical engineer Julio Alcorto the Phoenix would have had a chassis similar to Formula-1 cars at the time and would have utilized locally sourced parts in it’s construction. Alcorto would later also be involved with the design of Mazda’s answer to the Nissan Sani, the Mazda Kalahari 4x4 vehicle.
The Managing director of Spiron, Nic Deetlefs and his son in law Zirk Engelbrecht were notorious for fly by night investment companies and Engelbrecht in to this day operating similar schemes in the US.