Ferrari 458 Speciale (2014)

22 Feb 2015 | Author: | Comments Off on Ferrari 458 Speciale (2014)

The 458 Speciale’s 4497 cc GDI engine is the most naturally aspirated Ferrari ever developed, punching out 605 cv at rpm and maximum torque of 540 Nm at 6000 while its record 135 cv/l power output is also the ever achieved by a naturally-aspirated engine.

F1 technology transfer to the Ferrari 458 was of fundamental importance to its development, the production processes. The engine is in the factory’s in-house foundry the same machinery and processes as by the F1 team for complex components the extreme structural and dimensional needed for a naturally-aspirated engine of hitting 9000 rpm.

To these results, Maranello’s have maximised the 458’s V8 carrying out detailed refinements to all the to optimise combustion, volumetric and efficiency.

Maximum combustion is guaranteed by a highly evolved control system which the ionisation across the spark gap thereby optimising combustion the entire rev range.

The other challenge aside from power was to improve torque the entire power curve. involved increasing the compression to an exceptional 14:1, the highest ever achieved by a naturally-aspirated V8, was achieved by modifying piston

The fluid-dynamics of the combustion chamber revised to optimise both the and exhaust phases. The intakes new geometry, both with to the manifolds and the cylinder heads, shorter inlet ducts mm) in the former instance, and in the latter a valve lift (+5%). A new cam not only increases valve but also helps reduce pressure during the pumping

The 458 Speciale’s increased power and are also the result of redesigning engine components and reducing friction. The pistons are made a new material that reduces mass. New materials were used for the con-rod bushings specific heat treatment Diamond-Like Carbon) on the piston makes for greater fatigue and resistance. The crankshaft was also to optimise and improve lubrication of the bearings in all conditions of use.

Around 8 kg was also slashed off the overall weight by the redesign of the (carbon-fibre plenums and air filter box as as shortened inlet ducts) and (in aluminium) systems. Once Ferrari drew heavily on its F1 experience, particularly with to the intake system, which now has a new plenum and filter box, new for the pistons and con-rod bearings.

One of the main characteristics is new Ferrari-patented aerodynamic solutions at the front and the of the car which ensure that aerodynamic configurations can be adopted in where maximum downforce is and on straights where, instead, must be reduced to a minimum.

The 458 has an excellent downforce (Cl) of 0.53. Thanks to the aforementioned aerodynamics, the latter does not the Cd which is just 0.35.

Of note are the innovative solutions at the front of the car, with two flaps in the centre and the horizontal below them. At relatively low the vertical flaps are closed, air into the radiators to guarantee the cooling for the engine. However, at in excess of 170 km/h, the flaps reducing the volume of air flowing the radiators, thereby cutting At speeds of over 220km/h the flap lowers to balance between the front and rear leading to a 20 per cent shift in downforce towards the rear.

The vanes at either side of the bumper slow the air flow increases downforce, thereby the aerodynamic balance 4 per cent the front. Thanks to their the aerodynamic fins ahead of the wheels increase downforce much in the same way as the front vanes.

The rear spoiler has a surface area and more shape which has improved the of the underbody, increasing downforce. the position of the tailpipes also a new diffuser to be designed which the extraction capacity of the underbody. The flaps have two different raised for high downforce and to minimise drag. Sophisticated and a specific algorithm allow the to be lowered by as much as a 17 angle, stalling the diffuser and reducing Cd by 3

The Ferrari 458 Speciale’s dynamic guarantees maximum driving in all situations, allowing drivers to and improve their own limits ease and delivering an intense experience even at lower

Nimble and responsive, the car is at its best really twisty routes demanding switchbacks and camber New technical features have not improved the 458 Speciale’s lap time single laps, but also the of that performance on subsequent without needing to be a professional offering unprecedented levels of pleasure.

Side Slip Control (SSC)

The Ferrari 458 sees the introduction of Side Angle Control (SSC) for effortless car control on the limit, greatly enhancing driver

Thanks to sophisticated new software, computes lateral acceleration, yaw steering wheel angle and SSC carries out instantaneous analysis of the side slip angle, it with reference data, allowing smooth, controllable and optimising both torque (via F1-Trac traction and differential torque distribution the two driven wheels (via the electronic differential) for maximum response times.

With the set at RACE or CT OFF, the 458 Speciale then make the most of grip for improved acceleration out of greater ease and control on the and more consistent performance.

available on request is an advanced system which records from track sessions can then be accessed directly the multimedia menu or via an external such as an iPad or laptop. The uses a series of high-precision GPS installed in the car to pinpoint its position on a circuit or a recordable route. At the end of the the Virtual Track Engineer drivers analyse their highlighting the main critical (e.g. braking too early or too

Braking system

To cope the demands of the car’s increased all of the components in the Brembo braking have been evolved the solutions introduced on the LaFerrari. The 458 sports Extreme Design new generation HT2 discs with a percentage of silicon, and smaller pads made from HY material for improved heat which is also boosted by channels in the bodywork and is crucial in driving situations. The result is stopping distances (100 0 km/h in 31 m) without any compromises in and more consistent performance severe use.

Tyres and

Part and parcel of the Speciale’s included Michelin Pilot Cup2 tyres which specifically honed for it in an intensive programme involving lengthy tests and simulator sessions.

made for the Ferrari 458 Speciale, feature a compound obtained specific additives to boost over a single lap in the dry as well as performance consistency over laps. They also 6 per cent more grip, also translates into grip even in the wet.

The 20 wheels feature a new design, in a weight reduction of over 12 kg.

to being very flat corners, the 458 Speciale is extremely and satisfying in faster, sharper, challenging changes of direction. is due partly to its Frequency-Shaped SCM-E SCM-E) dampers which twin solenoids, new CPU and new software modifies the magnetic field millisecond. The result is a much response and more precise control.

These technical guarantee exceptionally fast to inputs from the road or the (0.060 s) and mean the car can deliver g of lateral acceleration, a combination ensures a genuinely extraordinary behind the wheel. The car, in responds instantaneously and is easy to on the limit in all types of situations.

the rest of the car, the Ferrari 458 soundtrack is both seductive and thanks to unprecedented intensity the cabin as well as outside. The of the tailpipes lends the V8 the full-bodied low soundtrack typical of Ferrari’s engines while the configuration of the is designed to guarantee maximum and exceptional clarity. The immense and full-bodied nature of the sound the cabin were achieved by the inlet tract.

Gear-shift strategy

The F1 dual-clutch now features a new control logic delivers an even keener of urgency during gear The car feels much sportier as it up through the gears, with time to commands more than ever, thereby 40 per cent faster longitudinal with engine revs 20 per cent more rapidly. with the Fast-Down Shift when down-shifting, the transient required for engine revs to the gear ratio is 44 per cent

Aerodynamic requirements guided the of the Ferrari Styling Centre collaborated on the project with to sculpt forms that are performance-oriented than ever, aerodynamic requirements while true to Ferrari’s aesthetic

Ferrari

Most of the bodywork panels been redesigned without either the passenger cell or the design features of the 458 Italia. The of the glass used has been to cut weight, while the rear is now a Lexan panel.

The composite have been redesigned and the bonnet now features two deep air to channel away the air exiting the

The air outlets to the side of the headlight now also include three reminiscent of Ferraris of the past, the 250 GTO to the F40. The rear features a tail with a full-width and twin exhausts.

The cockpit a distinctly racing-inspired atmosphere, simplicity the order of the day. exclusive technical materials, as Alcantara and carbon-fibre, are used but meld seamlessly with the craftsmanship and sophistication typical of all interiors, courtesy of exclusive contrasting hand-stitching, aluminium tread plates and sills a pewter grey finish, and fluidly sculpted door

The glove compartment on the dash has replaced with convenient and ends pockets on the tunnel and This has significantly streamlined the under the dash adding padding at knee level.

ergonomics are absolutely functional all controls clustered around the and on the steering wheel. This has been further enhanced by the use of the bridge, a carbon-fibre wing extends over the central section, putting the F1 gearbox at an ideal angle to the driver. is also a comfortable leg rest on the driver’s side of the tunnel.

The seats have carbon-fibre and boast excellent side thanks to an ergonomic design also helps contain The shoulder-rests are trimmed in Alcantara for grip while seated and the are padded with a breathable 3D to guarantee excellent air circulation and

The Ferrari 458 Speciale is being in an unusual red livery featuring a and white central stripe by the historic NART (North Racing Team) livery is available on request. Characterised by exceptionally slender spokes, its designed forged wheels are in gold, dark grey and

TECHNICAL SPECIFICATIONS

Engine V8 – 90

Total displacement: cm3

Max. power output: 605 cv @ rpm

Max. torque: 540 Nm @ 6000 rpm

1290 kg

Weight/power ratio: kg/cv

Performance

0-100 3.0s

0-200 km/h:

Top speed: 325 km/h (202

Fiorano lap time: 1’235

CO2 275 gr/km (with HELE

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