Rallying and GT Racing in the 1970s
The 1970s saw the triumph of Pirelli in rally racing and the dawn of a new revolution: the P7, the first low-profile radial tyre, fully put into practice the concept of the transition of technology from track to road. Developed for the world of rallying and later also used on track, its high performance led to its being chosen as original equipment by various sports car manufacturers. The first to fit it was the Porsche 911 Carrera Turbo, and this was followed by Lamborghini, De Tomaso, and Ferrari. The way was open for the development of a new low-profile road tyre, codenamed Zeta: the Pirelli PZero.
Throughout the 1960s, Borrani continued to equip sports and GT cars, and in the following decade it came out with a new spoked wheel. The Dial, an evolution of the Turbo, was adopted by car manufacturers, which by this time were moving towards the cheaper cast alloy wheel (which dominated in track cars). Despite its central disc in moulded cast alloy, the Dial needed the traditional Borrani manual assembly and could not compete with industrialised cast wheels, which gained the upper hand. Ferrari and Maserati were the last manufacturers to break off their long partnerships with Borrani, which continued its business in the aftermarket.
The 1970s saw the triumph of Pirelli in rally racing and the dawn of a new revolution: the P7, the first low-profile radial tyre, fully put into practice the concept of the transition of technology from track to road. Developed for the world of rallying and later also used on track, its high performance led to its being chosen as original equipment by various sports car manufacturers. The first to fit it was the Porsche 911 Carrera Turbo, and this was followed by Lamborghini, De Tomaso, and Ferrari. The way was open for the development of a new low-profile road tyre, codenamed Zeta: the Pirelli PZero.
Throughout the 1960s, Borrani continued to equip sports and GT cars, and in the following decade it came out with a new spoked wheel. The Dial, an evolution of the Turbo, was adopted by car manufacturers, which by this time were moving towards the cheaper cast alloy wheel (which dominated in track cars). Despite its central disc in moulded cast alloy, the Dial needed the traditional Borrani manual assembly and could not compete with industrialised cast wheels, which gained the upper hand. Ferrari and Maserati were the last manufacturers to break off their long partnerships with Borrani, which continued its business in the aftermarket.
