Opel Kadett E 2.0 GSi group A (1987)
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Home » Rally Cars » Opel Kadett E 2.0 GSi
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1967: Opel Kadett B
1975: Opel Kadett C GT/E
1978: Opel Kadett C2 GT/E
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 E GTE 2.0 since 1/2/1988, extension 06/02 ER
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Specifications

Group/Class A/7 Homologation number: A5320 and A5338
Years active 1987 - 1989 Homologation start: 1/1/1987 and 1/8/1987
Homologation end: 31/12/1996
Engine
Type GM Family II 20SEH, straight 4 cyl, 4 stroke, petrol engine located front transverse with 7.5o front inclination
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 cast iron crankshaft with 5 main bearings 58mm diameter, 49mm big end journals diameter connecting rod length 143mm, big end bearing tunnel diameter 52.6mm, aluminium alloy piston with 30.4mm compression height
Materials block: cast iron, 271mm height cylinderhead: cross flow aluminium alloy with "wedge" shape combustion chambers, 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 and exhaust valve axis
Aspiration natural, Bosch Motronic ML 4.1 multi point electronic fuel injection
Ignition EZ61 electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 5 blades 366mm diameter fan and thermostat 7.5 lt
Lubrication system wet sump with 1 oil cooler 4.25 lt
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)		 A5320, 1st: 2.286/1 (32/14)
2nd: 1.764/1 (30/17)
3rd: 1.421/1 (27/19)
4th: 1.190/1 (25/21)
5th: 1.043/1 (24/23)
R: 3.333/1 (27/12 x 40/27)		 A5338, no synchro: 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)		 A5320, GM X-Trac, 1988: 1st: 3.067/1 (46/15)
2nd: 2.389/1 (43/18)
3rd: 1.905/1 (40/21)
4th: 1.59/1 (35/22)
5th: 1.375/1 (33/24)
6th: 1.18/1 (33/28)
R: 3.000/1 (16/14 x 42/16)		 A5338, GM X-Trac, 1988: 1st: 3.69/1 (48/13)
2nd: 2.59/1 (44/17)
3rd: 2.00/1 (38/19)
4th: 1.65/1 (38/23)
5th: 1.375/1 (33/24)
6th: 1.18/1 (33/28)
R: 3.000/1 (16/14 x 42/16)
Diffrential ratio 3.550/1 (71/20). A5320 only: 3.74/1 (71/19), 3.94/1 (71/18), 4.19/1 (67/16), 4.20/1 (63/15), 4.78/1 (67/14), 4.85/1 (63/13), 5.18/1 (57/11).
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). Previous ratios were homologated in 1988 for A5320 homologation		 helical gears limited slip ZF front differential
Clutch dry single disc, 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 steel doors, steel front/rear bonnets, plastic front/rear bumpers and plastic rear spoiler
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 (optional) hydraulic power assistance 17.1/1, 22/1 ratio
Brakes front ventilated disks 256mm diameter with 1 cast iron piston caliper 52mm diameter, rear drums 200mm diameter with 1 double cast iron piston caliper 19.05mm diameter.
Front ventilated discs 290mm diameter with 4 aluminium piston calipers 38/42.8mm diameter, rear solid discs 250mm diameter with 2 aluminium piston calipers 42.8mm diameter.
Front ventilated discs 290mm diameter with 4 aluminium piston calipers 38.1/41.3mm diameter. Rear solid discs 251mm diameter with 2 aluminium piston calipers 32/36mm diameter.
Front ventilated discs 256mm diameter with 1 cast iron piston caliper 54mm diameter. Rear solid discs 236mm diameter with 1 cast iron piston caliper 36mm diameter.
Front ventilated discs 255mm diameter with 4 aluminium piston calipers 38mm diameter. Rear solid discs 250mm diameter with 2 AP aluminium piston calipers 41.2mm diameter.
Front ventilated discs 290mm diameter with 4 AP aluminium piston calipers 2x38.1+2x41.3mm diameter, or 295/304mm disc diameter with 4 AP aluminium piston calipers 2x44.4+2x41.3mm diameter. Rear ventilated discs 254mm diameter with 2 aluminium piston calipers 36/38.1/41.3mm diameter.
Front ventilated discs 290/300mm diameter with 4 AP aluminium piston calipers 2x38+2x41.2mm diameter.
1988: front ventilated carbon fibre discs 292mm diameter and 4 aluminium piston calipers 2x41.3+2.44.4mm diameter, rear ventilated carbon fibre disks 280mm diameter with 2 aluminium piston calipers 36/38.1/41.3mm diameter		 dual circuit with with GM vacuum servo, adjustable ratio split front to rear. 1988: rear disc brake protection shield
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, 5.5 x 14", 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 920, 980 (1200: safari) kg
Fuel tank 52 lt
Drag coefficient 0.32 Frontal area: 1.9 sqm

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
Pentti Airikkala
Ronan McNamee		 works eng ine
Johnny Pesmazoglou
Nikos Tomazos		 22nd (4th)
Haris Kaltsounis
Athanasios Papageorgiou		 dnf*
Lotta Lundqvist
Lotta Wennberg		 AB Lundqvist Bil & Motor dnf
Giacomo Pettazzoni
Cinza Cuppone		 37th*
Rosario Cataldo
Mirna Biancheri		 dnf*
Malcolm Wilson
Mike Broad		 GM Dealersport eng ine
Andrew Wood
John Meadows		 GM Dealersport susp ens ion
Nigel Beaumont
Keith Beaumont		 gear box
Brian Wiggins
Tony Shepherd		 dnf*
Total points
()		 11 2 5 4
Statistics
Works starts/finishes 9/4 1/1 1/0 2/0 2/2 3/1
Others starts/finishes 5/1 1/1 1/0 3/0

*Group N3 entries

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
page revision: 146, last edited: 15 Nov 2019 02:54
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