Lamborghini V12 discontinued their first-generation V12 after the Murcielago, opting for a brand-new V12 that first saw use on the Lamborghini Aventador. When Ferruccio Lamborghini set out to compete with Ferrari, he contracted Giotto Bizzarrini to design the engine for his car and, according to some accounts, paid him a bonus for every horsepower over what Ferrari's V12 could produce. The finished V12, with minor improvements, went on to become the 6.5 litre powering the Lamborghini Murciélago LP 640, and completed its service for Lamborghini with the final version of the Murciélago, the Murciélago LP 670-4 SuperVeloce. The engine was designed from
Lamborghini Miura by Bertone as a show car. Based on a P400, it was first shown at the 1968 Brussels Auto Show. After having been exhibited at several auto salons the car was sold to the International Lead Zinc Research Organization (ILZRO) who turned it into a display-vehicle showcasing the possibilities of using zinc alloys in cars. The car was named the ZN75. A few other Miuras have had their tops removed, but this Bertone Miura Roadster was the only factory open-top Miura. In 2006 the ZN75 was purchased by New York City real estate developer Adam Gordon. Gordon had Bobileff Motorcars