Alfa Romeo 2000 GT Veloce group 2 (1972)
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Home » Rally Cars » Alfa Romeo 2000 GT Veloce

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Specifications

Click here and here and here for street version
Click here for Spica injection manual

Group/Class 2 Homologation number: 1623 and 5440
Years active 1971-1976 Homologation start: 1/10/1971 and 1/1/1972
Homologation end: 1/1/1972 and 31/12/1981
Engine
Type Alfa Romeo Twin Cam AR00512, straight 4cyl, 4 stroke, petrol engine located front longitudinal
Capacity 1962 cc WRC: 1962 cc
Bore x Stroke (mm) 84.0 x 88.5
Compression ratio 9.0:1
Output power - torgue 150 HP @ 5500 rpm 21.1 kgm @ 3500 rpm
Main bearings forged steel crank shaft with 5 of 60mm diameter main bearings connecting rod distance center to center 157mm, big end bearing internal diameter 50mm, aluminium alloy piston with 47.5 mm piston compression height. Piston rings 1.5/1.75/4mm
Materials block: aluminium alloy with cast iron wet cylinder liners cylinderhead: cross-flow aluminium alloy with hemispherical combustion chambers, 112mm height
Cams/valves double overhead camshaft (DOHC), chain driven 2 valves/cyl. - 8 valves total. 44.15mm inlet valve diameter, 40.15mm exhaust valve diameter. 40o angle between exhaust/inlet valves and vertical, and 80o angle between valves
Aspiration natural, 2 x Solex C40DDH7 or Weber 40DCOE or Dell'Orto 40DHLA carburetors. Group 2: multipoint fuel injection with Spica AIBB.4C.S.75 mechanical fuel pump
Ignition electronic with NGK Copper Core Spark Plug B7ES (M14x19 thread), firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 300 mm diameter-6 blades fan and thermostat 9.7 lt
Lubrication system wet sump with finned oil sump 5.5 lt
Transmission
Type rear wheel drive Alfa Romeo, 5 speed manual gearbox
Gearbox ratios constant: 1.304/1 (30/23)
1st: 3.30/1 (38/15)
2nd: 1.99/1 (32/24)
3rd: 1.35/1 (27/26)
4th: 1.000/1
5th: 0.79/1 (20/33)
R: 3.01/1 (30/13)
constant: 1.304/1 (30/23)
1st: 2.54/1 (35/18)
3rd: 1.70/1 (30/23)
3rd: 1.26/1 (26/27)
4th: 1.000/1
5th: 0.86/1 (21/32)
R: 3.01/1 (30/13)
Diffrential ratio 4.10/1 (41/10), 5.125/1 (41/8) hypoid spiral bevel gear limited slip rear differential
Clutch dry single disk, 216mm plate diameter
Chassis-body
Type steel monocoque Alfa Romeo 105.21 chassis with roll-cage. 2 door coupe steel bodyshell with steel front and rear bumbers. Group 2: extended wheel arches
Front suspension double wishbones with coil springs, telescopic shock absorbers and anti roll bar
Rear suspension live axle with 2 trailing radius arms, transverse linkage bar, coil springs and telescopic shock absorbers
Steering system Burmann or ZF steering box with worm and roller or recirculating balls (no servo) 3.7 turns lock to lock
Brakes Front solid discs 272mm diameter (group 2 ventilated discs 250mm) with 2 piston calipers 48 mm piston diameter. Rear solid discs 267mm drum diameter with 2 piston calipers and 38 mm piston diameter dual circuit with servo and vacuum servo assistance
Dimensions
length: 4.100 m (161.4") width: 1.580 m (62.2"), group 2: +100 mm height: 1.328 m (52.3")
wheelbase: 2.350 m (92.5") front track: 1.324 m (52.15") rear track: 1.274 m (50.15")
Rims - tires 5.5J x 14" 165 HR 14"
Weight 970 kg
Fuel tank 56 lt
Drag coefficient 0.42

Results in WRC

Races

Season
Entry Rally event
Driver
Codriver
Team M.C SVE KEN MAR GRE A S.R USA RAC
Entry list
Guy Chasseuil
Christian Baron
27th*
Campagna
Licheri
dnf+
Andy Dawson
Peter Valentine
trans miss ion
Statistics
Others starts/finishes 3/1 2/1 1/0

*Group 1 entries
+Group 4 entries


Drawings

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