VW Golf Mk II GTi group A (1984)
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img-1274742108.jpg Source Development chain
1976: VW Golf Mk I GTi
1983: VW Golf Mk I GTi 1.8
1984: VW Golf Mk II GTi
1986: VW Golf Mk II GTi 16V
1990: VW Golf Mk II Rallye G60
1993: VW Golf Mk III GTi 16V
Development level
Group A
Group N
Production

Specifications

Group/Class A/7 Homologation number: A5212
Years active 1984 - 1985 Homologation start: 1/4/1984
Homologation end: 31/12/1996
Engine
Type VW EA827 R4, code ADZ, straight 4 cyl, 4 stroke, petrol engine located front transverse with 15o rear inclination
Capacity 1781 cc WRC: 1781 cc
Bore x Stroke (mm) 81.0 x 86.4
Compression ratio 11.0:1
Output power - torgue 170 HP / 7000 rpm 20.4 kgm (200 Nm) / 6250 rpm
Main bearings forged steel crankshaft with 5 main bearings 54mm diameter, big end journal diameter diameter 47.8mm connecting rod length between centers 144mm, big end bearing tunnel diameter 50.6mm, aluminium alloy piston with 33.3mm compression height, 1.5/1.75/3mm piston rings, 20mm pin diameter
Materials block: grey cast iron, 220mm deck height, 277.8mm height, 88mm bore spacing cylinderhead: reverse flow aluminium alloy hemispherical combustion chambers with vertical valves, 132.9mm height
Cams/valves single overhead camshaft (SOHC), belt driven 2 valves/cyl. - 8 valves total. 40.1mm inlet valve diameter, 33.3mm exhaust valve diameter. 0o angle between inlet/exhaust valve axis and vertical. 2 coil springs per valve
Aspiration natural, Bosch K-jetronic mechanical multipoint fuel injection.
1987, US model: Bosch KE-jetronic electronic injection.
1988+: Bosch/VW Digifant, electronic multipoint fuel injection
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 280mm-4 blades fan and thermostat 6.5 lt
Lubrication system wet sump with 1 oil cooler 3.5 lt
Transmission
Type front wheel drive VW 5 speed gearbox. 1988+: 6 speed gearbox
Gearbox ratios 1st: 3.455/1 (38/11)
2nd: 2.118/1 (36/17)
3rd: 1.444/1 (39/27)
4th: 1.129/1 (35/31)
5th: 0.897/1 (42/47)
R: 3.167/1 (38/12)
dog, 1st: 2.500/1 (35/14)
2nd: 1.789/1 (34/19)
3rd: 1.423/1 (37/26)
4th: 1.172/1 (34/29)
5th: 1.031/1 (33/32)
R: 3.167/1 (38/12)
1988+: dog, 1st: 2.909/1 (32/11)
2nd: 2.277/1 (41/18)
3rd: 1.809/1 (38/21)
4th: 1.480/1 (37/25)
5th: 1.240/1 (31/25)
6th: 1.071/1 (30/28)
R: 3.167/1 (38/12)
Diffrential ratio 3.667/1 (66/18), 4.200/1 (63/15), 4.640/1 (65/14).
1985+: 5.077/1 (66/13), 3.938/1 (63/16)
helical gears limited slip front differential
Clutch dry single disk, 210mm diameter
Chassis-body
Type steel monocoque Typ 19E chassis of VW A2 platform with front cross member for front suspension and 25kg AlZnMg1 (D40x3.5mm tubes) alloy roll cage. 3 door hatchback steel bodyshell with steel bonnets and doors, steel+PVC front and rear bumpers.
1992: aluminium roll cages cancelled
Front suspension mac pherson strut with lower 'L' wishbone, coil springs, telescopic gas shock absorbers and anti roll bar
Rear suspension torsion beam axle with trailing arm, coil spring, telescopic gas shock absorbers and adjustable anti roll bar
Steering system rack and pinion with or without hydraulic power assistance 3.25 turns lock to lock, 20.8/1 or 16.8/1 ratio.
1987, US model: 17.5/1 ratio
Brakes Front ventilated discs 239mm diameter with 1 cast iron piston caliper 48mm diameter, rear solid discs 226mm diameter with 1 cast iron piston caliper 36mm diameter.
Front Girling ventilated disks 256/260/266/280/304mm diameter with 1 or 4 cast aluminium piston calipers 38.1/42.8/48/54mm diameter, rear Girling solid or ventilated disks of 225/240/260/266mm diameter with 1 or 2 or 4 cast aluminium piston calipers 33.9/36/38/42.8mm diameter.
Front Lockheed ventilated disks 239/260/266/280/304mm diameter with 4 aluminium piston calipers 38.1/41.3mm diameter, rear Lockheed solid or ventilated disks of 239/260/266/280mm diameter with 2 aluminium piston calipers 41.3/42.8/44.5mm diameter.
dual circuit with VW vacuum servo and adjustable ratio split front to rear
Dimensions
length: 3.987 m (157.0") width: 1.680 m (66.1") height: 1.405 m (55.3")
wheelbase: 2.475 m (97.4") front track: 1.429 m (56.3") rear track: 1.422 m (56.0")
Rims - tires steel or aluminium 5.5J x 13", 1985: 6J x 14", 1988: 6J x 15"
Weight 920 kg 62-38% front/rear distribution
Fuel tank 55 lt made of PVC, or 100 lt made of aluminium

Results in WRC

Statistics

1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 Total
Works
Races /(gr A wins) 5/(2) 8/(2) 1/0 14/(4)
Entries/finishes 10/4 14/10 2/0 26/14 (53.8%)
Others
Races/(gr A wins - A/7 wins) 3/(1) +3 +3 6 +7/(2) 5 3 4/(1) 3 2 38/(4)
Entries/finishes 3/1 13/9 23/6 23/7 14/6 12/2 4/0 4/3 4/2 2/1 102/37 (36.3%)
Total WRC results
Races/gr A wins (A/7 wins) 3/(1) 8/(2) 11/(2) 6 8/(2) 5 3 4/(1) 3 2 53/(8)
Entries/finishes 3/1 23/13 37/16 23/7 16/6 12/2 4/0 4/3 4/2 2/1 128/51 (39.8%)

Races

Works team: Volkswagen Motorsport

Season

Group A classification is noted in brackets
Entry Rally event
Driver
Codriver
Team M.C (SVE)
Entry list
POR KEN TdC GRE N.Z ARG FIN S.R (CdI) RAC
Kalle Grundel
Peter Diekmann
works acci dent 6th (1st) acci dent
Guy Chasseuil
Bernadette Chasseuil
differ ential
Laurent Poggi
Jean-François Peretti
dnf
Total points
()
5 5
Statistics
Others starts/finishes 5/1 2/0 1/0 1/1 1/0

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Front cross member

Drawings

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Suspension

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1 - Hexagon bolt, 35 Nm
2 - Swivel joint (Modification: As of 08.87 pin Ø 19 mm, previously Ø 17 mm)
3 - Plate with nuts
4 - Suspension link
5 - Front wishbone bush
6 - Rear wishbone bush
7 - Metal sleeve, slotted (Not fitted in vehicles with G60 engine)
8 - Hexagon bolt, 130 Nm
9 - Hexagon bolt M12×1.5 x 74, 130 Nm (Vehicle with G60 engine M12 x 1.5 x 78, 130 Nm)
10 - Self-locking hexagon nut, 25 Nm
11 - Washer (Collar faces away from bush)
12 - Connecting link mounting (Side with large depression to suspension link)
13 - Coupling rod
14 - Rubber bush (Before pressing in, coat with lubricant e.g. soft soap)
15 - Hexagon bolt, 25 Nm
16 - Clamp
17 - Rubber bush
18 - Anti-roll bar
19 - Hexagon bolt, 80 Nm
20 - Hexagon bolt M12×1.5 x 65, 130 Nm
21 - Subframe
22 - Cap nut
23 - Hexagon bolt
24 - Hexagon nut, 25 Nm
25 - Damper weight (Only fitted in vehicles with G60 engine)
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