The 458 Spider has double wishbones with L-arms at the front and a Multilink layout at the rear. The result is greater longitudinal flexibility which improves the car’s ability to absorb bumps. This in turn reduces noise levels in the cockpit and boosts transverse rigidity, improving handling. Combined with specially developed tyres, these characteristics increase overall vertical rigidity (+35 percent with respect to the F430) for less body roll. They also guarantee a more direct steering ratio (-30 percent compared to the F430 - 11.9° compared to 16.9°) and thus require less steering input.
E-DIFF3, F1-Trac, High Performance ABS
The E-DIFF and F1-Trac control software are contained in a single Bosch ESP ECU, cutting communication time between them to an absolute minimum. Evolved control logics boost performance still further too.
• E-DIFF3: new Power ON strategies;
• E-DIFF3 / F1 Trac integration: further evolution;
• High Performance ABS: new strategies (high grip-specific) integrated with E-DIFF.
The E-DIFF3 is now even more seamlessly integrated with the F1-Trac and uses a series of its parameters (including grip estimation) both in positions in which F1- Trac is active (Sport – Race) and in which it is deactivated (CT-off and ESC-off).
This evolution means that torque distribution coming out of bends (Sport, Race, CT-off , ESC-off positions) is better than in previous models, resulting in improved traction, i.e. higher Longitudinal Acceleration values and better dynamic behaviour on the limit. This also means less steering wheel activity. The 458 Spider also delivers absolutely outstanding braking distances (100-0 km/h in 32.8 metres; 200-0 km/h in 128.5). These superb figures come as a result of the development and optimisation of control logics and systems in collaboration with Bosch, the evolution of the Ferrari Pre-Fill logic to minimise response times, specific ABS calibration for medium-high grip situations, and the integration of E-DIFF3 and ABS control logics to guarantee both more precise vehicle speed estimation in braking under ABS, resulting in better control of braking torque, and greater stability. The 458 Spider’s tyres were also specially developed with a particular focus on grip to bring them in line its superb braking system.
Magnetorheological Suspension Control
SCM (Magnetorheological Suspension Control) suspension made its debut on the 599 GTB in 2006 and the 458 Spider is equipped with the evolved SCM2 version. It uses a viscous fluid which reacts instantaneously to an electronically controlled magnetic field generated inside the damper. The control software adjusts the intensity of the magnetic field every millisecond. The ECU (-50 percent input time) and the dampers themselves have both evolved since the previous generation. The new ECU guarantees improved:
• control system response (ECU SW): 1ms;
• maximum current generation time (ECU HW): <5ms vs <10ms;
• maximum damper force generation time (HW ECU + Damper): 8ms v 15 ms;
New damper with new piston rod bushing:
• Reduced internal friction (-35%): more precise small-bump control (vibration comfort).
The 458 Spider’s Racing manettino puts the emphasis on sportier settings without ruling out opportunities for driving in lower grip situations. The manettino is used to configure parameters for the various electronic control systems.
The best manettino setting for dealing with low grip situations is WET. SPORT and RACE are recommended for day-today driving on roads in normal conditions, and provide either a more comfortable drive or a more exhilarating experience, respectively. Opting for CT-off (traction control deactivated) or ESC-off (both traction control and stability control deactivated) settings is only advised on high grip surfaces.
Suspension Decoupling Button
It is possible to decouple the 458 Spider’s suspension damping logic from whatever electronic control configuration has been selected on the manettino. The damper decoupling button offers improved “filtering” of uneven road surfaces. This translates into improved performance and handling on uneven and broken surfaces (such as the Nürburgring or a badly asphalted road).
Suspension decoupling can be selected in all manettino positions with the exception of WET in which the most compliant damper setting is always engaged.
Brakes and tyres
Carbon-ceramic material brakes have been fitted as standard with every Ferrari model since January 2008. Aside from guaranteeing benchmark braking, carbon-ceramic material discs require minimal maintenance.
The 458 Spider’s brakes are as follows:
• front carbon-ceramic disc (398 x 223 x 36 mm), aluminium 6-pot calipers;
• rear carbon-ceramic discs (360 x 233 x 32 mm), aluminium 4-pot calipers.
The performance benefits are inextricably linked to the integration of the car’s dynamic control systems: consistently high performance, shortened braking distance and lighter weight. Stopping distances:
• 100 km/h–0 reduced to 32.8 m;
• 200 km/h–0 reduced to 128.5 m.
• standard alloy wheels, 20’’ front and rear, with 235/35 ZR20” front tyres and 295/35 ZR20” at the rear.
• Tyres available: Michelin, Bridgestone and Pirelli.