Toyota Celica ST185 4WD Turbo group A (1992)
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Home » Rally Cars » Toyota Celica ST185 4WD Turbo
st185gt42.jpg Development chain
1971: Toyota Celica TA20/TA22
1974: Toyota Celica RA23 GT2000
1978: Toyota Celica RA40 GT2000
1988: Toyota Celica ST165 GT4
1992: Toyota Celica ST185 4WD Turbo
1994: Toyota Celica ST205 GT4
Development level
Group A
Group N
Production

In Safari rally '94: see video
In rallies: see video

Specifications

All about Toyota twin cam
Group/Class A/8 Homologation number: A 5451
Years active 1992 - 1994 Homologation start: 1/1/1992
Homologation end: 31/12/2001
Engine
Type 3S-GTE, straight 4 cyl, 4 stroke located front transverse
Capacity 1998 cc WRC: x 1.7 = 3397 cc
Bore x Stroke (mm) 86.0 x 86.0
Compression ratio 8.5:1
Output power - torgue 300 HP / 5600 rpm 46.9 kgm (460 Nm) / 4400 rpm
Main bearings 5
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves dual overhead camshafts (DOHC), belt driven, equiped with T-VIS 4 valves/cyl - 16 valves total. 33.5mm inlet valve diameter, 29mm exhaust valve diameter. 25o angle between inlet valve axis and vertical, 25o angle between exhaust valve axis and vertical
Aspiration Toyota CT26 turbocharger with twin entry turbine housing, dual wastegate ports, 38mm turbo restrictor fitted and air/water intercooler. Bosch L-jetronic multipoint electronic fuel injection.
1995+: 34mm turbo restrictor fitted.
pressure: 1.5 bar
Ignition electronic, 1-3-4-2 firing order
Cooling system watercooled
Lubricating system wet sump with oil cooler
Transmission
Type four wheel drive Toyota E151F 5 speed or X-Trac 6 speed gearbox
Gearbox ratios 1st: 3.583/1 (43/12)
2nd: 2.045/1 (45/22)
3rd: 1.333/1 (40/30)
4th: 0.972/1 (35/36)
5th: 0.731/1 (30/41)
R: 3.545/1
1st: 3.350/1
2nd: 2.560/1
3rd: 2.000/1
4th: 1.650/1
5th: 1.370/1
6th: 1.190/1
Diffrential ratio center: 3.860/1 or 3.933/1 (59/15) or 4.285/1 (60/14), transfer box and rear: 2.933/1 Helical gears center differential with, one side-1st output to internally located front torsen differential, and other side 2nd output to transfer box. Viscous coupling clutch electronically controls torque spliting between front differential housing and transfer box, using homocentric shafts. Spiral bevel gears transfer box transfers torque to, hypoid spiral bevel gear, torsen rear differential. (see info)
Clutch dry, double disk
Chassis-body
Type Steel monocoque ST185 chassis with roll-cage. 3 door liftback/coupe steel bodyshell
Front suspension macpherson "super" strut with lower control arm, coil springs (gravel 662 lb/in, tarmac 706 lb/in), telescopic gas shock absorbers and anti-roll bar
Rear suspension macpherson strut with one trailing link and two lateral links, coil springs (gravel 353 lb/in, tarmac 662 lb/in), telescopic gas shock absorbers and anti-roll bar
Steering system rack and pinion
Brakes ventilated disks 328-343mm diameter (tarmac), 295mm diameter (gravel), 2 piston calipers, all around dual circuit with adjustable ratio split front to rear
Dimensions
length: 4.410 m (173.6 in) width: 1.745 m (68.7 in) height: 1.300 m (51.2 in)
wheelbase: 2.545 m (100.2 in) front track: 1.475 m (58.1 in) rear track: 1.445 m (56.9 in)
Rims - tires 7.5" x 15" - 16" Pirelli (1992), michelin (1993+), 205/70/15
Weight 1120 kg
Weight/power 3.7 kg/HP
Fuel tank 80 lt
Drag coefficient 0.31

Results in WRC

Statistics

1992 1993 1994 1995 1996 1997 1998 1999 Total
Works
Races 10/4 11/7 10/5 3/1 34/17
Entries/ finishes 19/13 27/22 25/18 3/3 74/56 (75.7%)
Others
Races +1/1 +2/2 +6 7 4 2 2 24/3
Entries/ finishes 4/3 5/3 13/8 13/7 12/8 5/4 5/1 2/0 60/34 (56.7%)
Total WRC results
Races 11/5 12/7 12/7 9/1 7 4 2 2 58/20
Entries/ finishes 23/16 33/25 38/26 16/10 12/8 5/4 5/1 2/0 134/90 (67.2%)
Total points 128 188 182 54 6 10 568
(9.793 per race)
(4.239 per entry)

Races

Works team:

  • Works: Toyota Castrol Team
  • Works1: Toyota Team Europe
Season
Entry Rally event
Driver
Codriver
Team MC
Entry list
(SVE)
Entry list
POR KEN TdC GRE (NZ) ARG FIN AUS SR (CdI) (ESP) RAC
Carlos Sainz
Luís Moya
works1 2nd 3rd 1st* 4th acci dent 1st 2nd 3rd 1st 1st
Markku Alén
Ilkka Kivimäki
works1 acci dent 4th 5th* acci dent 3rd 4th
Armin Schwarz
Arne Hertz
works1 acci dent acci dent 5th acci dent 5th
Mikael Ericsson
Nicky Grist
Toyota Team Kenya 4th
Marcus Grönholm
Ilkka Riipinen
acci dent
Total points
()
128 9 15 23 13 10 9 8 8 16 17
Statistics
Works Starts/finishes 19/13 3/1 3/2 2/2 3/0 1/1 1/1 1/1 1/1 2/2 2/2
Others Starts/finishes 4/3 3/3 1/0

*Toyota Team Kenya entries


Toyota_Celica_rally.jpg Source
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Information and articles

Article from 4T 267, 12/1992

Click here

Article from 4T 260, 5/1992

Click here

Drawings

toyotacelicacs.jpg
toyota-celica-gt-four.gif Source

Engine

2820_12lo.jpg Source

Transmission

gearbox%20section.gif Source
transfer1.gif Source

Exploded view

536363.JPG Source
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