It is true Brock was not involved with the Valelunga chassis or the conceptual creation of the spine frame, neither was he involved in the 70P chassis, he worked with Fantuzzi on the 70P coachwork; that was 1964. The chassis was 100% De Tomaso's design. That particular chassis used the engine & gearbox as stressed members, unlike the Mangusta. The Mangusta was designed in 1966, Brock wasn't around. The Mangusta mounts the engine & gearbox in a sub-frame like the Vallelunga.
-G
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