| DESCRIZIONE |
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CHASSIS :
Central car body: steel false-monocoque, front tubular frames (that support suspensions and radiator) and
back tubular frames (that support the engine system, the gearbox and the suspensions). |
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CAR BODY :
In Kevlar-reinforced with glassfibre.
Car weight: Kg. 1170 when racing.
Dimensions: Length mm. 3915 - Width mm. 1850 - Height mm. 1245 - Wheelbase mm. 2240. |
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ENGINE:
Centre-rear, type 232AR4, longitudinally mounted, four cylinders in line, bore 84 mm, stroke 90 mm, 1995 cc, compression ratio 7.5:1.
Max. torque at 23 mKg at 5000 rpm. Max. power 205 bhp at 7000 rpm. |
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SUPERCHARGING :
Roots Volumex compressor type ABARTH with variable pressure from 0.60 to 0.90 bar. |
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LUBRICATION :
Forced in a dry oil sump with thermostaic oil-radiator. |
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TRACTION :
On rear wheels. |
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FUEL INJECTION :
Through a twin-choke carburettor type 40DC NVH 12/250.
Diffuser : 33
Main fuel jet : 33
Min. fuel jet : 50
Air jet : 160. |
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VALVES GEAR :
Two overhead camshafts controlled by the power shaft through a toothed belt.
Four valves per cylinder with 0.30 mm of clearance in suction
and 0.35 mm of clearance in exhaustion. |
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CLUTCH :
Singleplate VALEO 230 mm diameter and hydraulic treadle drive.
Clutch pedal idle stroke : 25 mm. |
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GEAR BOX :
ZF 5-speed + RM with frontal power take-off .
Mechanical lever control on the chassis floor.
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SPEED RATIO :
1° 2.417
2° 1.611
3° 1.136
4° 0.846
5° 0.704
RM 2.867. |
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DIFFERENTIAL GEAR :
ZF-ABARTH type 25% self-locked. Two axle
shafts fitted with constant-velocity joints at their ends with permanent lubrication. |
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FRONT SUSPENSIONS :
Indipendent wheels with flexible parallelogram layout of the suspension.
Multiple mounting for variable system.
Gas shock absorbers.
Helical springs of variable flexibility.
Stabilized bar.
Possibility of regulation of the ground height. |
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REAR SUSPENSIONS :
Like front suspension but with double shock absorber.
There isn't a stabilizer bar. |
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FRONT TYRES :
SPEEDLINE wheel rim - dimensions 8J x 16" - light alloy.
PIRELLI P7 CORSA 205/55 VR16 tyres.
Pressure of inflation : 2 bar. |
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REAR TYRES :
SPEEDLINE wheel rim - dimensions 9J x 16" - light alloy.
PIRELLI P7 CORSA 225/50 VR16 tyres
Pressure of inflation : 2 bar. |
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SPARE WHEEL :
SPEEDLINE wheel rim - dimensions 3 1/4''B - magnesium alloy.
PIRELLI 108 R 18 X tyres.
Pressure of inflation : 5 bar. |
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STEERING BOX :
Rack and pinion system with an articulated height-adjustable steering column.
Permanent lubrication.
Uniball mounting. |
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BRAKES :
Four BREMBO self ventilating brake discs.
Double brake circuit with two vacuum
servos and 7/8'' inches pump. |
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HANDBRAKE :
Hydraulic brake on rear discs with specified calipers in light alloy. |
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WATER-OIL COOLING SYSTEM :
Forced circulation of the cooling system water by a pump, front radiator combined with the oil radiator, termoelectrically driven-fan and water tank with filler.
Dinamic on two positions air stranglers for the engine cooling. |
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ELECTRONIC IGNITION :
MARELLI electronic ignition with inductive discharge.
Ignition system with Marelli coil AEI 200 A.
Marelli SM 808 X ignition device.
Spark plugs: CHAMPION N2G for usual performances.
Ignition order : 1-2-3-4.
Fix ignition time (engine) : 10° +/- 1°.
Automatic ignition time (engine) : 25° +/- 2°.
Distance between the spark plugs electrodes : 0.6-0.7 mm.
Ignition : electric starting motor of 0.95 Kv.
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LIGHTING SET :
Battery : 12V 48 Ah. without maintenance.
Alternator: Marelli AA 125 14V 55 A. |
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LIGHTS :
Headlights : H4 - 12V 60W.
Anti-dazzle lights : H1 - 12V 55W.
Additional halogen lamps (two) : H3 - 12V 55W.
Head position lights and direction
indicators : 12V - 5/21W.
Rear position lights and stop-lights : 12V - 5/21W.
Rear direction indicators and reversing light : 12V - 21W.
Side direction indicators: 12V - 4W.
Cockpit and instrument board lights and leds : 12V - 3W. |
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OIL, WATER AND FUEL SUPPLY :
Fuel : Two tanks 35 lt. capacity with 5 lt. for reserve.
Radiator and engine : coolant fluid Lt.9 (50% PARAFLU 11 FIAT and 50% water).
Engine : OLIOFIAT VS+ CORSE Kg.8.
Gear box and differential gear: TUTELA W90 M-DA (SAE 80W/90) Kg.3
Steering box : TUTELA MRM 2.
Hydraulic brakes : TUTELA DOT4 Kg.0.5.
Clutch system : TUTELA DOT4.
Constant velocity joints on rear wheels : TUTELA MRM 2.
Cleaning windows water : Additional tank 1.5 lt. capacity (50% water and 50% FIAT DP1 detergent).
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| Photo M&R 2009 - © |
