A magnificent supercar with a 6.2 liter LT1 V8 beating heart that puts out 460 HP and 630 Nm of torque. Sensational statistics, in line with the racing character inherited from its 1963 namesake vehicle.
Every element of the Grand Sport has been designed to enhance performance on the track: from the aerodynamic solutions to the lightweight frame, made following the same production processes used for race cars.
The Brembo solution
The braking system, naturally Brembo, is also in line with the car aspirations: on the front there are 6-piston monoblock calipers that grip two-piece 370 mm (34 mm thick) floating discs.
On the other hand, on the rear, the two-piece floating discs are 365 mm (26 mm thick), work with 4-piston monoblock calipers.
The peculiarity of the floating disc is that the braking band and the hub are made with different materials, to improve performances and reduce weight.
Since it is made in lightweight aluminum alloy, a floating disc is lighter than a traditional one: therefore, by reducing the unsprung weight, the performance, comfort and handling of the vehicle increase.
The separation between the two parts also prevents the heat generated by the friction from being transmitted from the braking band, which can dilate both in the radial and axial direction, to the housing.
If all of this doesn't seem to be enough, don't worry, there is always the Z07 Performance Package: along with the Michelin Pilot Sport Cup 2 tires and a Z07 suspension that guarantee the possibility of taking turns at 1.2g (1.05g with the standard model), there is a more advanced braking system, also signed by Brembo.
Instead of discs with a cast iron braking band, the Z07 package uses larger carbon-ceramic discs: 394 mm (38 mm thick) on the front and 390 mm (32 mm thick) on the rear. This makes for a considerable weight reduction: the braking system on each front wheel goes from 10.87 kg to 6.2 kg, with a 43 percent reduction, whereas the rear, also per unit, goes from 11.3 to 8 kg with a 29 percent reduction. This is a light weight that translates into quicker acceleration, shorter braking distance and even lower fuel consumption.
But the advantages of carbon ceramic do not stop here. This material is characterized by extremely low deformation at high temperatures, a peculiarity that reflects directly on vehicle performance. Also, carbon ceramic can be used repeatedly because even after multiple actions, the braking force remains unchanged. And even in the most demanding braking situations, a carbon ceramic disc is never at risk of fading.
The front Brembo calipers on the Grand Sport are made of aluminum on the monoblock version, in other words, the version that is machined from a cast aluminum block, and they guarantee exceptional stiffness and less deformation. Overall, both front and rear fixed brake calipers improve the duration and efficiency of the system: in fact, thanks to the use of opposed pistons, they allow more precise action on the pads due to the smaller diameter of the cylinders, the lower pressure that acts on the individual piston and more even wear on the friction surfaces due to the larger surface dedicated to the action of the pads. In other words, braking is more responsive and decisive even in street use.
This result can already be perceived during street use, but it is emphasized on the track where braking efficiency is always at the maximum.
As if that wasn't enough, the Grand Sport calipers, available in black, red and yellow, are made up of different diameter opposed pistons.