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Ferrari Challenge Stradale - 2003

Overview

Challenge Stradale

2003

The Challenge Stradale lines up alongside the 360 Modena and 360 Spider with the precise aim of providing drivers the performances that only a true racing car for road use can provide. The experiences coming from the Ferrari Challenge International Championships and the FIA GT races, have allowed Ferrari technicians to develop solutions that make the Challenge Stradale really unique.

Focus on

Ferrari Challenge Stradale - 2003

This strong link to racing is underlined not only by a significant weight reduction, but also by its engine set up, aerodynamics, braking system and F1 style gearbox.

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The Story

The Challenge Stradale was developed to flank the 360 Modena and 360 Spider with the clear aim of providing drivers with the kind of performance that only a race-ready car designed for road use could deliver. The marque engineers’ experience in the international Ferrari Trofeo Pirelli Challenge and GT competitions meant that they were able to develop a plethora of solutions that made the Challenge Stradale truly unique. This close link to the track was clear not only in the drastic reduction in the car’s weight but also in major modifications to its engine, aerodynamics, set-up, brakes and F1 gearbox. Weight reduction work ensured that the Challenge Stradale was 110 kg lighter than the 360 Modena. This fact, combined with its V8’s higher maximum power output, boosted its performance still further.

Ferrari Challenge Stradale - 2003
Ferrari Challenge Stradale - 2003

The Challenge Stradale was, in fact, directly derived from the 360 Modena. That said, the technicians had removed anything that wasn’t strictly functional to performance or safety, resulting in a brilliantly light and fast berlinetta with a very definite racing set-up. To achieve that drastic weight reduction, the technicians worked on three overlapping areas: materials, construction technologies and overall optimisation of the design.

The main material used in the Challenge Stradale’s construction was aluminium, which has a specific weight a third of that of steel. It was used for details of both chassis and bodywork. Other new materials were also introduced: titanium, already employed for the con rods, went into the suspension, while carbon-fibre, a direct transfer from F1, was used for structural elements and the exterior and interior trim.

The Structure

The Challenge Stradale pushed the aerodynamic concepts employed on the 360 Modena a step further and it featured a stiffer, lower racing set-up as well as availing of specific solutions that increased downforce by 50% compared to the 360 Modena. Every last detail of the car’s aerodynamics was honed, right down to the carbon-fibre rear view mirrors which derived from the 360 GT and the 19” Challenge wheels.
The Challenge Stradale’s cabin was spare and simple with every single detail given the racing treatment. The instrument cluster, including the central rev counter, was enclosed in a carbon-fibre surround which also encompassed secondary instrumentation and other dials. The new steering wheel sported specific F1 gearshifting paddles – the right hand paddle was actually longer to make upward shifting easier coming out of bends.

Ferrari Challenge Stradale - 2003
Ferrari Challenge Stradale - 2003

The Challenge Stradale had an electro-hydraulic F1-type gearbox. Both clutch and shifting were controlled via paddles on the steering column. A new control logic cut shifting times in every phase of use too. There was a special button on the tunnel for reverse too. There were two different configurations (Sport and Race) with corresponding damper and traction control (ASR) settings. In Race mode and with ASR disabled, drivers also had the Formula 1-derived Launch Control function too.

The braking system featured CCM (Carbon Composite Material) discs, the fruit of Ferrari’s ongoing partnership with Brembo. The system, which included aluminium brake, delivered excellent braking and astonishing stopping distances. The Challenge Stradale’s set-up and suspension were greatly modified too: its front and rear titanium springs stiffened and a wider-diameter roll-bar was introduced. The damper calibration was also specific too it and the centre of gravity was lowered by 15 mm.

The Challenge Stradale had a 90° V8 mid engine mounted longitudinally behind the cabin and in unit with the gearbox and differential. Its maximum power was boosted to 425 hp at 8.500 rpm, delivering an excellent specific power of 118,5 CV/litro thanks in part to a slight supercharging at maximum speed (+2% increase in power). The Challenge Stradale retained had the same already high peak torque of 38 kgm at 4750 rpm as the 360 Modena.

Ferrari Challenge Stradale - 2003

An accurate selection of the high-definition key images of the Challenge Stradale. The photo gallery, with details and the most  important parts, shows the distinctive features of this Ferrari model from 2003.

An accurate selection of the high-definition key images of the Challenge Stradale. The photo gallery, with details and the most  important parts, shows the distinctive features of this Ferrari model from 2003.

Specifications

V8 Engine

Type rear, longitudinal 90° V8
Bore/stroke 85 x 79 mm
Unitary displacement 448.29 cc
Total displacement 3586.20 cc
Compression ratio 11.2 : 1
Maximum power 313 kW (425 hp) at 8500 giri/min
Power per litre 119 hp/l
Maximum torque 373 Nm (38 kgm) at 4750 rpm
Valve actuation twin overhead camshafts per bank, five valves per cylinder
Fuel feed Bosch Motronic ME7.3 electronic injection
Ignition Bosch Motronic ME7.3 static electronic, single spark plug per cylinder
Lubrication dry sump
Clutch single-plate
Frame aluminium spaceframe
Front suspension independent, unequal-length wishbones, coil springs over telescopic shock absorbers, anti-roll bar
Rear suspension independent, unequal-length wishbones, coil springs over telescopic shock absorbers, anti-roll bar
Brakes carbon-ceramic discs
Transmission electro-hydraulic F1 6-speed + reverse
Steering rack-and-pinion
Fuel tank capacity 95 litres
Front tyres 225/35 ZR 19
Rear tyres 285/35 ZR 19
Type two-seater berlinetta
Length 4477 mm
Width 1922 mm
Height 1199 mm
Wheelbase 2600 mm
Front track 1669 mm
Rear track 1617 mm
Weight 1180 kg (dry)
Top speed 300 km/h
Acceleration 0-100 km/h 4.1 sec
0-400 m 12.1 sec
0-1000 m 22.0 sec
Urban test cycle ECE 30,1 l/100 km
Extra urban test cycle EUDC 12,7 l/100 km
Consumption ECE+EUDC 19,1 l/100 km
CO2 emissions combined 440 g/km