Mitsubishi Lancer Evo IV group A (1997)
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Home » Rally Cars » Mitsubishi Lancer Evo IV
mitsubishi_lancer_evo_IV_rally_car_97.jpg Source Development chain
1973: Mitsubishi Lancer A73
1982: Mitsubishi Lancer A175A Turbo
1993: Mitsubishi Lancer RS Evo
1994: Mitsubishi Lancer Evo II
1995: Mitsubishi Lancer Evo III
1997: Mitsubishi Lancer Evo IV
1998: Mitsubishi Lancer Evo V
1999: Mitsubishi Lancer Evo VI
Development level
Group A
Group N

Also called Mitsubishi Carisma GT
See details about model name Lancer/Carisma

Specifications

13134 units built
Click here

Group/Class A/8 Homologation number: A5559
Years active 1997-1998 Homologation start: 1/1/1997
Homologation end: 31/12/2005
Engine
Type Mitsubishi 4G63T G2, straight 4cyl, 4 stroke, petrol engine located front transverse
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 300 HP / 6000 rpm 51 kgm (500 Nm) / 3500 rpm
Main bearings forged steel crankshaft with 5 main bearings 61mm diameter, big end journal diameter 45mm connecting rod length between axis 150mm, big end bearing internal diameter 48mm, aluminium alloy piston with 35mm compression height
Materials block: cast iron 229mm deck height, fitted with twin counter-rotating balancer shafts cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers, 131.9mm height
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/exhaust valve axis and vertical. 1 coil sprint per inlet/exhaust valve. Operation with rocker arms
Aspiration Mitsubishi TD05HR-16G6-9T twin scroll turbocharger (12 blades cast iron turbine 49.1/56mm in/out diameter, 6+6 blades aluminium compressor 48.3/68.2mm in/out diameter), air/air intercooler with dual water injection device with 2.5/36 lt water tank capacity located in the trunk (rear), and 34mm turbo restrictor fitted. Post Combustion Control System (anti-lag system), Mitsubishi ECI II Multi multipoint electronic fuel injection pressure: 0.9 bar, 2 bar
Ignition transistorized with ignition maps in ECU, firing order 1-3-4-2, spark plug Denso W22ETR-L8 or NGK BPR8ES or Racing R737610 No. 4457 M14x19mm-21mm spanner, 12V battery
Cooling system jacketed watercooled with pump, radiator, 320mm diameter-4 blades fan and thermostat 7.5 lt, alternative additional 15 lt water tank for brake cooling, intercooler and screenwash
Lubricating system wet sump with 1 oil cooler 5.2 lt
Transmission
Type four wheel drive 5 speed manual gearbox, or 6 speed sequential gearbox INVECS type shift. Click here for Holinger manual
Gearbox ratios 1st: 2.785/1 (39/14)
2nd: 1.950/1 (39/20)
3rd: 1.407/1 (38/27)
4th: 1.031/1 (33/32)
5th: 0.761/1 (32/42)
R: 3.416/1 (26/12 x 41/26)
1st: 2.785/1 (39/14)
2nd: 1.950/1 (39/20)
3rd: 1.444/1 (39/27)
4th: 1.096/1 (34/31)
5th: 0.825/1 (33/40)
R: 3.416/1 (26/12 x 41/26)
X-trac, dog, sequential, 1st: 2.833/1 (34/12)
2nd: 2.063/1 (33/16)
3rd: 1.684/1 (32/19)
4th: 1.381/1 (29/21)
5th: 1.174/1 (27/23)
6th: 1.000/1 (24/24)
R: 3.250/1 (14/12 x 39/14)
X-trac, dog, sequential, 1st: 3.250/1 (39/12)
2nd: 2.375/1 (38/16)
3rd: 1.867/1 (28/15)
4th: 1.500/1 (30/20)
5th: 1.227/1 (27/22)
6th: 1.000/1 (24/24)
R: 3.250/1 (14/12 x 39/14)
Diffrential ratio Front differential 4.529/1 (77/17), 4.875/1 (78/16), transfer box 0.301/1 (16/53), rear differential 3.323/1 (53/16).
Front differential 3.714/1 (52/14), 3.917/1 (47/12), 4.077/1 (53/13), 4.083/1 (49/12), 4.230/1 (55/13), 4.250/1 (51/12), 4.286/1 (60/14), 4.308/1 (56/13), 4.333/1 (52/12), 4.357/1 (61/14), 4.385/1 (57/13), 4.417/1 (53/12), 4.429/1 (62/14), 4.462/1 (58/13), 4.500/1 (63/14), 4.500/1 (54/12), 4.583/1 (55/12), 4.615/1 (60/13), 4.643/1 (65/14), 4.667/1 (56/12).
Transfer box: 0.857/1 (18/21), 0.840/1 (21/25), 0.833/1 (20/24), 0.826/1 (19/23), 0.818/1 (18/22), 1.000/1 (20/20), 1.050/1 (21/20), 1.100/1 (22/20), 1.158/1 (22/19), 1.200/1 (24/20), 1.211/1 (23/19), 1.222/1 (22/18), 1.238/1 (26/21), 1.250/1 (25/20), 1.263/1 (24/19), 1.277/1 (23/18), 1.300/1 (26/20), 1.316/1 (25/19).
Rear differential: 4.222/1 (38/9), 4.625/1 (37/8), 3.909/1 (43/11)
Helical gears limited slip center differential, with one side/two homocentric outputs, 1st to the front helical spur gears differential housing through hollow shaft, 2nd to spiral bevel gears transfer box through hollow shaft. Transfer unit transfers torque to hypoid spiral bevel gears limited slip rear differential. All three differentials are torque sensitive with self servo system
Clutch dry, triple plate carbon disk 230mm diameter
Chassis-body
Type Steel monocoque Mitsubishi CN9A chassis with steel front (aluminium) and rear cross member sub-frames for suspension, and 30.5kg steel (D38.1x1.6 and D28.6x1.6mm), or 38kg steel (D38.1x1.6mm) roll cage. 4 door saloon steel bodyshell steel doors and rear bonnet, aluminium front bonnet, polypropylene bumpers and plastic rear airofoil
Front suspension macpherson strut with lower 'L' wishbone, coil springs, Ohlins telescopic shock absorbers and anti-roll bar 10-40mm diameter
Rear suspension "multi link" with 1 upper 'Λ' arm, 1 lower transverse arm, 1 lower longitudinal trailing link, 1 small central links, coil springs, Ohlins telescopic shock absorbers and anti-roll bar 10-40mm diameter
Steering system rack and pinion with hydraulic power assistance 10.3/1 ratio
Brakes Front ventilated discs 276/294mm diameter and 2 cast iron pistons caliper 42.9mm diameter, rear ventilated discs 284mm diameter and 1 cast iron piston caliper 34.9mm diameter.
Front/rear: ventilated discs 276/280/290/300/304/310/312/313/315/323/325/330/340/355/335/368/374/378mm disk diameter with 12 aluminium piston calipers 6x22.2+6x25.4mm diameter, or 6 aluminium piston calipers 2x27+2x31.75+2x38.1mm pair pistons diameter, or 4 aluminium piston calipers 38.1/(2x38.1+2x44.5)mm diameter, 2 x 4 aluminium piston calipers 2 x (2x25.4+2x31.75)mm piston pairs diameter (dual calipers per disc)
dual circuit with Jidoshakiki vacuum servo, ratio split front to rear. Cooling devices for water cooled calipers with 4 or 10 lt water tank capacity. Front ducts for discs air cooling. Calipers stone protection shields
Dimensions
length: 4.330 m (170.5 in) width: 1.690 m (66.5 in) height: 1.395 m (55.9 in)
wheelbase: 2.510 m (98.8 in) front track: 1.490 m (58.7 in) rear track: 1.490 m (58.7 in)
Rims - tires 6.5-7x 16" or 15", ET +46 wheel offset, 5 x M12 studs on Pitch Circle Diameter 114.3mm, centerbore 67.1mm Michelin 205/55R16"
Weight (production 1100 kg) 1230 kg
Fuel tank 51 lt

Results in WRC

Statistics

1997 1998 1999 2000 2001 2002 2003 2004 2005 Total
Works
Races/wins 14/4 5/2 1 20/6
Entries/finishes 22/16 14/11 1/1 37/28 (75.7%)
Others
Races +3 5 4 +2 2 2 4 1 23
Entries/finishes 7/5 9/4 9/5 6/0 3/1 2/1 2/1 4/1 1/1 46/19 (41.3%)
Total WRC results
Races/wins 14/4 8/2 4 4 3 2 2 4 1 43/6
Entries/finishes 28/21 23/15 9/5 6/0 4/2 2/1 2/1 4/1 1/1 80/47 (58.8%)
Total points 134 58 192
(4.465 per race)
(2.400 per entry)

Races

Works team

  • works: Mitsubishi Ralliart
  • works1: Marlboro Mitsubishi Ralliart
Season
Entry Rally event
Driver
Codriver
Team MC SVE KEN POR ESP TdC ARG GRE N.Z FIN IND S.R AUS RAC
Tommi Mäkinen
Seppo Harjanne
works 3rd 3rd diff eren tial 1st 1st acci dent 1st 3rd acci dent 1st radi ator 3rd 2nd 6th
Richard Burns
Robert Reid
works 2nd tran smis sion susp ens ion 4th 4th 4th 4th 4th
Geof Argyle
Raymond Bennett
Ralliart New Zealand eng ine
Brian Green
Stuart Jenkinson
Palmerston North Vehicle Importers 18th
Malcolm Stewart
Mike Fletcher
21th
Stephen Pilcher
John van der Velden
27th
Daryl Sosa
Stirling Hamersley
29th
Richard Gough
Tony Beddoes
drive shaft
Total points
()
134 8 8 9 10 10 10 15 7 14 7 8 16 12
Statistics
Works starts/finishes 22/16 1/1 1/1 2/1 2/1 1/1 1/0 2/1 2/2 2/1 1/1 2/1 1/1 2/2 2/2
Others starts/finishes 6/4 4/3 1/1 1/0

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Mitsubishi_Lancer_Evolution_IV_(CN9A)_-_White.jpg Source

Rear AYC

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General diagram of Active Yaw Control (AYC) rear differential
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The torque shifts on the rear left axle.
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The torque shifts on the rear right axle
Mitsubishi-Evo-4-5-6-7-8-9.jpg Source
Rear AYC differential

Turbo

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Compressor performance diagram of the TD05HR-16G-6 turbocharger

Drawings

1166_evo4_xray.jpg Source

Engine

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4WD

Mitsubishi_S-AWC_Center_Differential_Transmission.jpg Source
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