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
1985 Australian Touring Car Championship Sydney privateer Garry Willmington in his privately entered Jaguar XJS (built from a second hand road car) with its 5.3 litre V12 engine which proved fast but underdone thanks to Willmington's small budget. The Jaguar was often the fastest car in a straight line when it appeared, but Willmington's lack of budget to develop the car saw it lack the handling needed to be competitive on the smaller Australian tracks. Perth based expat Kiwi Tim Slako in an ex-Andy Rouse BTCC Rover Vitesse powered by a 3.5 litre V8, another Kiwi in Jim Richards' JPS team mate Neville Crichton in