Audi Coupe B3 S2 group A (1993)
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1986: Audi Coupe B2 Quattro
1993: Audi Coupe B3 S2
Development level
Group A
Group N
Production

Specifications

Group/Class A/8 Homologation number: A 5467
Years active 1993 Homologation start: 1/1/1993
Homologation end: 31/12/2000
Engine
Type ABY, straight 5cyl, 4 stroke located front longitudinal with 27.5o right inclination
Capacity 2226 cc WRC: x 1.7 = 3784 cc
Bore x Stroke (mm) 81.0 x 86.4
Compression ratio 8.5:1
Output power - torgue 300 HP / 4300 rpm 58.1 kgm (570 Nm) / 3800 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
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 20 valves total. 32.1mm inlet valves diameter, 28.1mm exhaust valves diameter. 25o angle between inlet valves and vertical, 0o angle between exhaust valves and vertical.
Aspiration KKK K24 turbocharger (59mm nickel alloy turbine, 60.6mm aluminium compressor) with air/air intercooler, Bosch Motronic LH multipoint electronic fuel injection pressure: 1.7 bar
Ignition electronic, firing order 1-2-4-5-3
Cooling system watercooled
Lubrication system wet sump
Transmission
Type four wheel drive 01E 6 speed manual gearbox
Gearbox ratios 1st: 3.500/1 (35/10)
2nd: 1.842/1 (35/19)
3rd: 1.222/1 (33/27)
4th: 0.903/1 (28/31)
5th: 0.714/1(25/35)
R: 3.444/1 (31/9)
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: 0.962/1(25/26)
R: 3.455/1 (38/11)
1st: 3.000/1 (27/9)
2nd: 2.083/1 (25/12)
3rd: 1.571/1 (22/14)
4th: 1.286/1 (27/21)
5th: 1.043/1(24/23)
6th: 0.880/1(22/25)
R: 3.455/1 (38/11)
1994+,
1st: 3.500/1 (28/8)
2nd: 1.889/1 (34/18)
3rd: 1.320/1 (33/25)
4th: 1.034/1 (30/29)
5th: 0.858/1(30/35)
6th: 0.711/1(27/38)
R: 3.455/1 (38/11)
Diffrential ratio front and rear: 4.111/1 (37/9), 3.400/1 (34/10), 3.500/1 (35/10), 3.555/1 (32/9), 3.778/1 (34/9), 3.800/1 (38/10), 3.889/1 (35/9), 4.000/1 (36/9), 4.250/1 (34/8), 4.375/1 (35/8), 4.429/1 (31/7), 4.444/1 (40/9), 4.571/1 (32/7), 4.625/1 (37/8), 4.857/1 (34/7), 5.143/1 (36/7), 5.286/1 (37/7), 5.429/1 (38/7), 5.571/1 (39/7), 5.857/1 (41/7) output from gearbox hollow secondary shaft to torsen 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
Chassis
Type steel monocoque Typ 8B chassis version of VW B3 platform with roll-cage. Front and rear steel sub frames. 3 door liftback/coupe steel bodyshell with polypropylene bumpers, and glass fiber reinforced polyester rear spoiler
Front suspension McPherson strut with lower triangular wishbone, coil spring, telescopic gas shock absorber and anti roll-bar
Rear suspension McPherson strut with lower triangular wishbone, coil spring, telescopic gas shock absorber and anti-roll bar
Steering system rack and pinion with hydraulic power assistance 2.6 turns lock to lock
Brakes front ventilated disks 276mm diameter with 2 cast iron piston calipers, or 280-373mm diameter with 4 aluminium piston calipers.
Rear solid disk 245mm diameter with 1 cast iron piston caliper, or ventilated disks 280-373mm diameter with 4 aluminium piston calipers
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.393 m (173.0 in) width: 1.725 m (67.9 in) height: 1.375 m (54.1 in)
wheelbase: 2.549 m (100.4 in) front track: 1.446 m (56.9 in) rear track: 1.437 m (56.6 in)
Rims - tires gravel: 6.5" or 7" x 15" - 16"
tarmac: 17" - 18"
gravel: 195/65-15
Weight 1300 - 1400 kg 59-41% distribution front/back
Weight/power 4.5 kg/HP
Fuel tank 70 lt
Drag coefficient 0.32

Results in WRC

Statistics

1993 1994 1995 1996 1997 1998 Total
Total WRC results
Races 8 7 7 6 2 2 32
Entries/ finishes 9/7 1/4 9/4 7/1 2/1 2/0 39/17 (43.6%)
Total points 17 13 12 3 45
(1.406 per race)
(1.184 per car)

Races

Works team: -

Season
Entry Rally event
Driver
Codriver
Team M.C SVE POR KEN T.dC GRE ARG N.Z FIN AUS S.R ESP RAC
Sepp Haider
Klaus Wendel
SMS Revo Ingenieure 7th gear box 5th
António Ferreira da Cunha
Carlos Resende
15th
Rudi Stohl
Peter Diekmann
8th eng ine 7th
Manfred Stohl
Kay Gerlach
12th
Esa Saarenpää
Lasse Hirvijärvi
17th
Total points
()
17 4 3 4 6
Statistics
Starts/finishes 9/7 1/1 1/1 1/1 1/0 2/2 1/0 1/1 1/1

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Information and articles

Article from 4T 284, 3/1994

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Drawings

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