Mitsubishi Galant E39A VR4 group A (1988)
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Home » Rally Cars » Mitsubishi Galant E39A VR4
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1972: Mitsubishi Colt Galant A53H
1988: Mitsubishi Galant E39A VR4

In RAC '88: see video

Specifications

Group/Class A/8 Homologation number: A 5364
Years active 1988-1992 Homologation start: 1/5/1988
Engine
Type 4G63T, straight 4cyl, 4 stroke located front transverse, with 8o front inclination
Capacity 1997.4 cc WRC: x 1.7 = 3395.6 cc
Bore x Stroke (mm) 85.0 x 88.0
Compression ratio 8.5:1
Output power - torgue 280 - 300 HP / 7000 rpm 40.8 kgm (400 Nm) / 5200 rpm
Main bearings 5 of 61mm diameter connecting rod length between axis 150mm, big end bearing internal diameter 48mm
Materials block: cast iron 229mm height, fitted with twin counter-rotating balancer shafts cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl - 16 valves total. 34.2mm intake valves diameter, 30.7mm exhaust valves diameter. 28.5o angle between inlet valve axis and vertical, 28.5o angle between exhaust valve axis and vertical. Operation with rocker arms
Aspiration Mitsubishi TD05H-14B turbocharger (cast iron watercooled turbine 56mm diameter, aluminium compressor 58.2mm diameter), air/air intercooler, Mitsubishi ECI multi point electronic fuel injection
6/1991+: TD05H-16G "large" turbocharger (cast iron watercooled turbine 56mm diameter, aluminium compressor 68.2mm diameter)
1990-1991: 40mm turbo restrictor fitted
1992-1994: 38mm turbo restrictor fitted
1995+: 34mm turbo restrictor fitted
pressure:
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled 7.5 lt
Lubricating system wet sump 4 lt
Transmission
Type four wheel drive 5 speed or X-trac 6 speed gearbox
Gearbox ratios Type A: 1st: 2.846/1 (37/13)
2nd: 1.684/1 (32/19)
3rd: 1.115/1 (29/26)
4th: 0.833/1 (25/30)
5th: 0.667/1 (22/33)
R: 3.167/1 (38/26 x 26/12)
Type B: 1st: 2.267/1 (34/15)
1990: 1st: 2.063/1 (33/16)
2nd: 1.632/1 (31/19)
2nd: 1.500/1 (30/20)
3rd: 1.048/1 (22/21)
3rd: 1.190/1 (25/21)
4th: 0.985/1 (23/24)
5th: 0.808/1 (21/26)
R: 2.846/1 (37/26 x 26/13)
Type C, dog: 1st: 3.357/1 (47/14)
2nd: 2.563/1 (41/16)
3rd: 2.000/1 (38/19)
4th: 1.652/1 (38/23)
5th: 1.375/1 (33/24)
6th: 1.178/1 (33/28)
R: 3.000/1 (42/16 x 16/14)
Type A, (1991+),: 1st: 2.571/1 (36/14)
2nd: 1.600/1 (32/20)
3rd: 1.160/1 (29/25)
4th: 0.862/1 (25/29)
5th: 0.618/1 (21/34)
R: 3.167/1 (38/26 x 26/12)
Type C, dog (1991+): 1st: 3.467/1 (41/12)
2nd: 2.571/1 (36/14)
3rd: 2.000/1 (32/16)
4th: 1.650/1 (33/20)
1992+: 4th: 1.579/1 (30/19)
5th: 1.381/1 (29/21)
1992+: 5th: 1.261/1 (29/23)
6th: 1.174/1 (27/23)
1992+: 6th: 1.042/1 (25/24)
R: 3.083/1 (37/14 x 14/12)
Diffrential ratio Center differential
Type A: 1.276/1 (37/29)
Type B: 1.280/1 (32/25)
Type C: 1.731/1 (45/26), 1.630/1 (44/27), 1.536/1 (43/28)
Front differential
Type A: 3.867/1 (58/15), or (1991+) 4.267/1 (64/15)
Type B: 4.267/1 (64/15)
Type C: 2.562/1 (41/16), 2.353/1 (40/17), 2.167/1 (39/18)
Transfer box
Types A & B: 1.090/1 (24/22)
Type C: 0.256/1 (10/39)
Rear differential
Type A: 3.545/1 (39/11), or (1991+) 3.909/1 (43/11)
Type B: 3.909/1 (43/11)
Type C: 3.900/1 (39/10)
Helical gears limited slip center differential, with one side/two homocentric outputs, 1st to the front limited slip differential housing, 2nd to the thansfer box. Spiral bevel gears transfer unit transfers torque to, hypoid spiral bevel gears, limited slip rear differential
Clutch dry single disk, 225mm diameter
Chassis-body
Type steel monocoque E39A chassis with roll-cage. Steel front and rear subframes. 4 door saloon steel bodyshell with urethane front and rear bumbers, and plastic spoiler
Front suspension macpherson strut with lower L wishbone, coil spring, telescopic shock absorber and anti-roll bar
Rear suspension "multi link" with trailing arm, 1 upper and 1 lower transverse links, coil spring, telescopic shock absorber and anti-roll bar. Four wheel steering (4WS) electronic semi-active system. Activated after 60km/h and has maximum steering angle 1.5o, same direction with front wheels.
Steering system power assisted rack and pinion 2.4 turns lock to lock
Brakes front ventilated disks with 266mm disk diameter and 1 cast iron piston caliper, or 280/290/295/304/315/330/355mm disk diameter with 4 aluminium piston calipers, or (1991+) 6 aluminium piston calipers.
Rear solid disks with 265mm disk diameter and 1 cast iron piston caliper, or ventilated disks 280/290/295/304/315/330/355mm disk diameter with 4 aluminium piston calipers
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.560 m (179.5 in) width: 1.695 m (66.7 in) height: 1.440 m (56.7 in)
wheelbase: 2.600 m (102.4 in) front track: 1.460 m (57.5 in) rear track: 1.450 m (57.1 in)
Rims - tires 6" x 15" or 16" 195/70 HR-15
Weight 1300 kg 58% - 42% front to rear distribution
Weight/power 4.4 kg/HP
Fuel tank 62 lt
Drag coefficient 0.36

Results in WRC

Statistics

1988 1989 1990 1991 1992 1993 1994 1995 1996 Total
Works
Races /wins 2 4/2 6 6/1 4 22/3
Entries/finishes 3/1 8/5 11/3 12/8 6/3 40/20 (50%)
Others
Races +3 +3/1 +4/1 +6/1 5 5 5 1 32/3
Entries/finishes 2/1 10/6 7/5 12/7 12/8 8/3 8/3 12/3 2/1 73/37 (50.7%)
Total WRC results
Races/wins 2 7/2 9/1 10/2 10/1 5 5 5 1 54/6
Entries/finishes 5/2 18/11 18/8 24/15 18/11 8/3 8/3 12/3 2/1 113/57 (50.4%)
Total points 50 53 88 48 3 7 5 254
(4.703 per race)
(2.248 per entry)

Races

Works team: Mitsubishi Ralliart Europe

Season
Entry Rally event
Driver
Codriver
Team M.C
Entry list
SVE
Entry list
POR KEN TdC GRE Oly (N.Z) ARG FIN (CdI) S.R RAC
Ari Vatanen
Bruno Berglund
works eng ine
Kenjiro Shinozuka
Fred Gocentas
works gear box 26th
Seisuke Ohba
Yasuo Kusakabe
Tusk Engineering 23th
Tetsuya Fujita
Masao Taguchi
Tusk Engineering acci dent
Statistics
Works starts/finishes 3/1 1/0 2/1
Others starts/finishes 2/1 2/1

47918a.jpg Source
653_galant.jpg Source
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Article from 4T 207, 12/1987

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Turbo

td05-14g-raw.gif Source
Compressor performance diagram of the TD05H-14G turbo
td05-16gsmall-raw.gif Source
Compressor performance diagram of the TD05H-16G turbo

Drawings

mitsubishi-galant-vr4-1991-wrc-full-rally-graphics-kit.jpg Source
mitsubishi_galant_vr-4_1989.jpg Source

Engine

111321_3mg.jpg Source
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