Alfa Romeo Alfetta GTV6 group 2 (1981)
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Home » Rally Cars » Alfa Romeo Alfetta GTV6

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Specifications

Group/Class 2 and A/8 Homologation number: 5855 and A 5135
Years active 1982-1985 Homologation start: 1/10/1981 and 1/4/1983
Engine
Type Alfa Romeo V6, code AR 016.46, V6 cyl (60o), 4 stroke located front longitudinal
Capacity 2492 cc WRC: 2492 cc
Bore x Stroke (mm) 88.0 x 68.3
Compression ratio 11.0:1
Output power - torgue 215 - 220 HP / 7000 rpm 25.0 kgm (245 Nm) / 4600 rpm
Main bearings 4 of 60mm diameter connecting rod big end bearing internal diameter 52mm
Materials block: aluminium alloy cylinderhead: aluminium alloy
Cams/valves 2 x 1 overhead camshafts (SOHC), belt driven. Direct operation for inlet valves, exhaust valves operate with pushrods and rocker arms 2 valves/cyl. - 12 valves total. 42mm inlet valve diameter, 37mm exhaust valve diameter. 2 coil springs per inlet and exhaust valve
Aspiration natural, Bosch L-jetronic multi point fuel injection
Ignition electronic, firing order 1-4-2-5-3-6
Cooling system watercooled 13.5 lt
Lubrication system wet sump 7 lt
Transmission
Type rear wheel drive 5 speed gearbox located infront of the rear axle
Gearbox ratios 1st: 3.500/1 (49/14)
2nd: 1.956/1 (45/23)
3rd: 1.345/1 (39/29)
4th: 1.026/1 (39/38)
5th: 0.780/1 (32/41)
R: 2.620/1 (34/13)
1st: 2.570/1 (36/14)
2nd: 1.940/1 (33/17)
3rd: 1.550/1 (31/20)
4th: 1.220/1 (28/23)
5th: 1.000/1 (25/25)
R: 2.620/1 (34/13)
Diffrential ratio 5.129/1 (41/8), 4.555/1 (41/9), 4.200/1 (41/10), 3.910/1 (47/12) ZF limited slip with friction disks, hypoid bevel gear rear differential
Clutch dry single disk
Chassis-body
Type steel monocoque chassis with roll-cage. 2 door coupe steel bodyshell, with plastic front and rear bumbers
Front suspension double parallelogram wishbones with longitudinal torsion bars, telescopic gas shock absorbers and anti roll bar
Rear suspension watt's linkage with de dion tube, coil spring, telescopic gas shock absorbers and anti roll bar
Steering system rack and pinion 3.5 turns lock to lock
Brakes 269mm diameter front ventilated disks, 250mm diameter rear solid disks. 2 piston calipers all around dual circuit adjustable, with servo
Dimensions
length: 4.263 m (167.8") width: 1.664 m (65.5") height: 1.331 m (52.4")
wheelbase: 2.400 m (94.5") front track: 1.375 m (54.1") rear track: 1.355 m (53.3")
Rims - tires 6" x 15" TRX 15/45-390
Weight 1100 kg 50% - 50% front to rear distribution
Weight/power 5.0 kg/HP
Fuel tank 73 lt
Drag coefficient 0.39

Results in WRC

Races

Season
Entry Rally event
Driver
Codriver
Team M.C (SVE) POR KEN TdC GRE N.Z BRA FIN S.R (CdI) RAC
Luengo
Arribas
dnf
Bernard Dongues
E. Bonvin
acci dent
Statistics
Others starts/finishes 2/0 1/0 1/0

tour-de-corse-1986-alfa-romeo-gtv6-loubet.png Source
Yves Loubet in Tour de Corse '86

Article

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Drawings

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Engine

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Gearbox

int_trns.jpg Source
diagram.jpg Source

Suspension

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Front suspension
int_susr.jpg Source
Rear suspension
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