Opel Kadett E 2.0 GSi group A (1987)
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Home » Rally Cars » Opel Kadett E 2.0 GSi
06b4_35.JPG Source Development chain
1967: Opel Kadett B Coupe Rallye
1975: Opel Kadett C GT/E
1978: Opel Kadett C GT/E 2.0
1982: Opel Kadett D GT/E
1984: Opel Kadett E 1.8 GSi
1987: Opel Kadett E 2.0 GSi
1988: Opel Kadett E GSi 16V
1992: Opel Astra F GSI 16V

Also called Vauxhaull Astra GTE
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Specifications

Group/Class A/7 Homologation number: A 5320 (and A 5338)
Years active 1987 - 1989 Homologation start: 1/1/1987 (and 1/8/1987)
Engine
Type GM Family II 20SEH, straight 4cyl, 4 stroke, petrol engine located front transverse
Capacity 1998 cc WRC: 1998 cc
Bore x Stroke (mm) 86.0 x 86.0
Compression ratio 11.5:1
Output power - torgue 185 - 190 HP / 7200 rpm 20.9 kgm (205 Nm) / 5200 rpm
Main bearings 5 of 58mm diameter connecting rod length 143mm, big end bearing internal diameter 52.6mm
Materials block: cast iron cylinderhead: aluminium alloy, 96mm height
Cams/valves single overhead camshaft (SOHC), belt driven 2 valves/cyl. - 8 valves total. 42mm inlet valve diameter, 36.7mm exhaust valve diameter. 0o angle between inlet valve and vertical, 0o angle between exhaust valve and vertical
Aspiration natural, cross flow inlet design, Bosch Motronic ML 4.1 multi point electronic fuel injection
Ignition EZ61 electronic, firing order 1-3-4-2
Cooling system watercooled
Lubrication system wet sump
Transmission
Type front wheel drive 5 speed, or X-trac 6 speed manual gearbox
Gearbox ratios 1st: 3.417/1 (41/12)
2nd: 2.158/1 (41/19)
3rd: 1.480/1 (37/25)
4th: 1.121/1 (37/33)
5th: 0.892/1 (33/37)
R: 3.333/1 (27/12 x 40/27)
1st: 3.067/1 (46/15)
2nd: 2.389/1 (43/18)
3rd: 1.905/1 (40/21)
4th: 1.652/1 (38/23)
5th: 1.440/1 (36/25)
6th: 1.259/1 (34/27)
R: 3.000/1 (16/14 x 42/16)
1988+: 1st: 3.692/1 (48/13)
2nd: 2.588/1 (44/17)
3rd: 2.000/1 (38/19)
4th: 1.652/1 (38/23)
5th: 1.375/1 (33/24)
6th: 1.179/1 (33/28)
R: 3.000/1 (16/14 x 42/16)
Diffrential ratio 3.550/1 (71/20), and 2.550/1 (51/20), 2.650/1 (53/20), 2.737/1 (52/19), 2.842/1 (54/19), 2.944/1 (53/18), 3.055/1 (55/18), 3.176/1 (54/17), 3.294/1 (56/17), 3.438/1 (55/16), 3.652/1 (57/16), 3.733/1 (56/15), 3.867/1 (58/15), 4.071/1 (57/14), 4.214/1 (59/14) helical gears limited slip ZF front differential
Clutch dry single disk, 216mm diameter
Chassis-body
Type steel monocoque chassis of GM T platform with roll-cage and front suspension steel sub-frame. 3 door hatchback steel bodyshell with plastic bumpers
Front suspension mac pherson strut with lower L wishbone, coil springs (tarmac 200 lbs), telescopic gas shock absorbers and anti roll bar
Rear suspension trailing torsion beam axle with coil springs (tarmac 200 lbs), telescopic gas shock absorbers and anti roll bar
Steering system rack and pinion with hydraulic power assistance 17.1/1, 22/1
Brakes front ventilated disks 256mm diameter with 1 cast iron piston caliper, or 255/290/295/300/304mm disk diameter and 4 aluminium piston calipers. Rear drums 200mm diameter, or solid disks 236/250mm diameter and 2 aluminium piston calipers, or ventilated disks 250/254mm diameter and 2 aluminium piston calipers.
1988+: front ventilated carbon fibre disks 292mm diameter and 4 aluminium piston calipers, rear ventilated carbon fibre disks 280mm diameter with 2 aluminium piston calipers
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.998 m (157.4") width: 1.663 m (65.5") height: 1.395 m (54.9")
wheelbase: 2.520 m (99.2") front track: 1.406 m (55.4") rear track: 1.406 m (55.4")
Rims - tires speedline, 14" or 15" Michelin, gravel:
M4 or M5, 14/60-14XT (175/70-14),
L81 or L91, 16/62-15 (195/60x15),
snow: 15/65-15 (195/65R15)
Weight 980 (1200: safari) kg
Weight/power 5.3 kg/HP
Fuel tank 52 - 65 lt
Drag coefficient 0.32

Results in WRC

Statistics

1987 1988 1989 Total
Works
Races /wins (A7 wins) 5/(1) 6/1(+2) 11/1 (+3)
Entries/finishes 8/4 7/4 15/8 (53.3%)
Others
Races/(A7 wins) +1 +1/(1) 1 3/(1)
Entries/finishes 1/1 13/5 1/0 15/6 (40%)
Total WRC results
Races/wins (A7 wins) 6/(1) 7/1 (+3) 1 14/1 (+4)
Entries/finishes 9/5 18/7 1/0 28/12 (42.9%)

Races

Works team: GM Euro Sport

Season

A/7 classification noted in brackets
Entry Rally event
Driver
Codriver
Team MC SVE
Entry list
POR KEN TdC GRE Oly (NZ) ARG FIN (CdI) SR RAC
Rauno Aaltonen
Lofty Drews
works 9th (2nd)
Guy Fréquelin
'Tilber'/ Didier Breton
works engine 6th (2nd)
Mats Jonsson
Lars Bäckman
works susp ens ion 7th (1st)
Sepp Haider
Ferdi Hinterleitner/ Jörg Pattermann/ Rob Arthur
works susp ens ion 10th (3rd) gear box
Johnny Pesmazoglou
Tomazos
22nd (4th)
Total points
()
11 2 5 4
Statistics
Works starts/finishes 8/4 1/1 1/0 2/0 2/2 2/1
Others starts/finishes 1/1 1/1

corse1987opel16v.jpg Source
Guy Fréquelin in Tour de Corse '87
3798911650_a901425a21.jpg Source
Mats Jonsson in RAC '87
nzeeland1988haider.jpg Source
Sepp Haider in winning New Zealand '88
fin89jonsson.jpg Source
Mats Jonsson in 1000 Lakes rally '89
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