Audi Coupe B2 Quattro (Type 85) group A (1986)
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Home » Rally Cars » Audi Coupe B2 Quattro
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1986: Audi Coupe B2 Quattro
1993: Audi Coupe B3 S2

Specifications

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Group/Class A/8 Homologation number: A 5284
Years active 1986 - 1989 Homologation start: 1/1/1986
Engine
Type KV, straight 5 cyl, 4 stroke, petrol engine located front longitudinal with 27.5o right inclination
Capacity 2226 cc WRC: 2226 cc
Bore x Stroke (mm) 81.0 x 86.4
Compression ratio 12.0:1
Output power - torgue 200 - 210 HP / 7000 rpm 23.4 kgm (230 Nm) / 5500 rpm
Main bearings 6 of 58mm diameter connecting rod length between centers 144mm, big end bearing diameter 50.6mm
Materials block: cast iron, 277.8mm height cylinderhead: aluminium alloy 132.7mm height
Cams/valves single overhead camshaft (SOHC), belt driven 2 valves/cyl. - 10 valves total. 38.2mm inlet valve diameter, 33.3mm exhaust valve diameter. 0o angle between inlet/exhaust valves axis and vertical. 2 coil springs per valve
Aspiration natural, Bosch K-jetronic multipoint mechanical fuel injection
Ignition electronic, firing order 1-2-4-5-3
Cooling system watercooled 6.8 lt
Lubrication system wet sump 3.5 lt
Transmission
Type four wheel drive 5 speed manual gearbox
Gearbox ratios 1st: 3.600/1 (36/10)
2nd: 2.125/1 (34/16)
3rd: 1.458/1 (35/24)
4th: 1.071/1 (30/28)
5th: 0.778/1 (28/36)
R: 3.500/1 (42/12)
1st: 3.111/1 (28/9)
2nd: 2.273/1 (25/11)
3rd: 1.706/1 (29/17)
4th: 1.318/1 (29/22)
5th: 1.125/1 (27/24)
1987+, 5th: 1.040/1 (26/25)
R: 3.500/1 (42/12)
Diffrential ratio front and rear: 4.111/1 (37/9), 4.857/1 (34/7), 4.571/1 (32/7).
1987+: 3.889/1 (35/9), 4.222/1 (38/9)
output from hollow secondary shaft of gearbox to open or locked center differential with two outputs, 1st to hypoid spiral bevel gear limited slip front differential homocentrically through secondary hollow shaft of gearbox, 2nd to hypoid spiral bevel gear limited slip rear differential
Clutch dry, single disk 228mm diameter
Chassis
Type steel monocoque Typ 85 chassis version of VW B2 platform with roll-cage. 2 door coupe steel bodyshell with polypropylene/steel bumpers
Front suspension mc pherson strut with lower wishbone, coil spring, telescopic gas shock absorber and antiroll bar
Rear suspension mc pherson strut with lower wishbone, coil spring, telescopic gas shock absorber and antiroll bar
Steering system rack and pinion with hydraulic power assistance 2.5 turns lock to lock. 15.7/1, 16.7/1, 14/1
Brakes front ventilated disks 256mm diameter with 1 cast iron piston caliper, or 280/304/330mm diameter and 4 aluminium piston calipers. Rear solid disks 245mm diameter and 1 cast iron piston caliper, or ventilated disks 280/295/304mm diameter with 4 aluminium piston calipers dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.421 m (174.0 in) width: 1.682 m (66.2 in) height: 1.350 m (53.1 in)
wheelbase: 2.525 m (99.4 in) front track: 1.424 m (56.1 in) rear track: 1.424 m (56.1 in)
Rims - tires 6" - 7" x 14" - 15" Pirelli P7 M+S, 155/85-15", 205 x 15
Weight 1050 - 1200 kg 50/50% front - rear distribution
Weight/power 6 kg/HP
Fuel tank 70 - 80 lt
Drag coefficient 0.36

Results in WRC

Statistics

1986 1987 1988 1989 1990 1991 1992 Total
Works WRC results
Races 2 2
Entries/finishes 1/1 1/1 (100%)
Others WRC results
Races +4 10 10 4 3 2 2 35
Entries/finishes 7/5 33/20 32/20 14/4 9/5 4/2 3/1 102/57 (55.9%)
Total WRC results
Races 6 10 10 4 3 2 2 37
Entries/finishes 8/6 33/20 32/20 14/4 9/5 4/2 3/1 103/58 (56.3%)
Total points 18 51 53 122
(3.297 per race)
(1.184 per entry)

Races

Works team: Audi Sport

Season

Group A classification is noted in brackets
Entry Rally event
Driver
Codriver
Team MC SVE
Entry list
POR KEN TdC GRE NZ ARG FIN (CdI) SR RAC (Oly)
Gunnar Pettersson
Arne Pettersson/
Björn Cederberg
works 5th (2nd) acci dent*
Lasse Lampi
Pentti Kuukkala
VV Auto 9th (1st) 12th (3rd)
Lasse Gundler
Christian Bodén
11th (7th)
Rudi Stohl
Reinhard Kaufmann
6th (1st) 6th (2nd) 15th (4th)
Jorge Recalde
Jorge del Buono
acci dent
Martin Ericsson
Reinhard (Hardy) Michel
dnf
Total points
()
18 6 5 5 2
Statistics
Works starts/finishes 1/1 1/1
Others starts/finishes 7/5 1/1 1/1 1/1 2/1 2/1

*Private entry with Team VAG Sweden


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Articles from KV Quattro

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Article from 4T 219, 12/1988

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Article from Autocar 1/1/1986

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Drawings

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