 When communicating with a supplier for the differentials, he was directed towards Holden Special Vehicles (HSV), who indicated that they would be able to offer engines and transmissions.At this stage, the De Tomaso project was given the internal code name "ETX".Soon after Casarini's communications with HSV, Ford Motor Company contacted him with the news that they would indeed be able to supply the Modular V8, along with transmissions, ancillaries, and electrical systems.