Toyota Corolla AE86 GT group A (1984)
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Development chain 1979: Toyota Corolla TE71 GT 1984: Toyota Corolla AE86 GT 1985: Toyota Corolla AE82 FX 16V 1989: Toyota Corolla AE92 GTi 1995: Toyota Corolla AE102R Seca RV 1999: Toyota Corolla AE111 |
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Table of Contents
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Specifications
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Group A manual
All about Toyota twin cam
| Group/Class | A/6 | Homologation number: A5179 (2 door), A5180 (3 door), A5275 (3 door Sprinter Trueno) |
| Years active | 1984-1990 | Homologation start: 1/1/1984, 1/7/1985 (Sprinter Trueno) Homologation end: 31/12/1993, 31/12/1992 (Sprinter Trueno) |
| Engine | ||
|---|---|---|
| Type | Toyota 4A-GE Mk I, straight 4 cyl, 4 stroke, petrol engine | located front longitudinal with 5o left inclination to driver's side (LHD) |
| Capacity | 1587 cc | WRC: 1587cc |
| Bore x Stroke (mm) | 81.0 x 77.0 | |
| Compression ratio | 11.0:1 | |
| Output power - torgue | 180 HP / 6600 rpm | 20.2 kgm (198 Nm) / 5200 rpm |
| Main bearings | forged steel crankshaft with 5 main bearings 52mm diameter | connecting rod length between centers 122mm, big end bearing tunnel diameter 43mm |
| Materials | block: cast iron with 191mm deck height and 89mm bore spacing | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers |
| Cams/valves | dual overhead camshaft (DOHC), belt driven | 4 valves/cyl. - 16 valves total. 30.7mm inlet valve diameter, 25.7mm exhaust valve diameter. 25o angle between inlet valve axis and vertical, 25o angle between exhaust valve axis and vertical |
| Aspiration | natural, Nippon Denso D-jetronic multipoint electronic fuel injection | |
| Ignition | electronic, firing order 1-3-4-2 | |
| Cooling system | watercooled | |
| Lubrication system | wet sump | |
| Transmission | ||
| Type | rear wheel drive | Toyota T50, 5 speed manual gearbox |
| Gearbox ratios | constant: 1.435/1 (33/23) 1st: 3.587/1 (35/14) 2nd: 2.022/1 (31/22) 3rd: 1.384/1 (27/28) 4th: 1.000/1 5th: 0.861/1 (21/35) R: 3.484/1 (34/21 x 21/14) |
constant: 1.444/1 (26/18) 1st: 2.347/1 (26/16) 2nd: 1.733/1 (24/20) 3rd: 1.379/1 (21/22) 4th: 1.144/1 (19/24) 5th: 1.000/1 R: 3.405/1 (33/17 x 17/14) |
| Diffrential ratio | 4.300/1 (43/10), 4.875/1 (39/8), 5.125/1 (41/8) | hypoid spiral bevel gears limited slip rear differential |
| Clutch | dry single disc | |
| Chassis-body | ||
| Type | steel monocoque AE86 chassis with roll-cage. 2 of 3 door coupe steel bodyshell with steel doors, steel front/rear bonnets, and plastic front/rear bumpers | |
| Front suspension | macpherson strut with lower arm, coil spring, telescopic gas shock absorber and 16 to 30mm diameter anti-roll bar | |
| Rear suspension | live axle with 4 longitudinal control arms, panhar rod, coil springs, telescopic gas shock absorber and anti-roll bar | |
| Steering system | rack and pinion (no servo) | 2.5 turns lock to lock, 18.6/1 ratio |
| Brakes | Front ventilated discs 234mm diameter and 1 cast iron piston caliper 50.8mm diameter, rear drum 230mm diameter, or solid discs 231mm diameter with 1 cast iron piston caliper 34.9mm diameter. Front ventilated discs 260/266/280mm diameter and 4 piston calipers, rear ventilated discs 260/264mm diameter and 2 or 4 piston calipers |
dual circuit with servo, adjustable ratio split front to rear |
| Dimensions | ||
| length: 4.180 m (164.5") | width: 1.625 m (64.0") | height: 1.335 m (52.6") |
| wheelbase: 2.400 m (94.5") | front track: 1.355 m (53.3") | rear track: 1.345 m (53.0") |
| Rims - tires | 5 - 6J x 13" - 14" | 185/70 HR 13 |
| Weight | 920 kg | |
| Fuel tank | 50 lt | |
| Drag coefficient | 0.35 | |
Results in WRC
Races
Group A classification 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 | ||
| Kurt Kreutz Günter Kirberg |
44th | ||||||||||||||
| Klaus Fritzinger (2 door) Henning Wünsch |
Fritzinger Motorsport | dnf | |||||||||||||
| Jorge Ortigão João Batista |
Traffic - Salvador Caetano | 8th (2nd) | |||||||||||||
| Ewald Klein Günther Witzmann |
17th (7th) | ||||||||||||||
| António Coutinho António Manuel |
dnf | ||||||||||||||
| Kiyoshi Inoue Toshio Omizo |
dnf | ||||||||||||||
| Manolis Halivelakis Konstantinos Exarchos |
13th (1st) | ||||||||||||||
| Manolis Panagiotopoulos Efthimios Sassalos |
dnf | ||||||||||||||
| Andreas Papatriantafillou Konstantinos Stefanis |
dnf | ||||||||||||||
| Muneyoshi Shibagaki S Jukawa |
dnf | ||||||||||||||
| Bruce McKenzie Peter Barnie |
12th (4th) | ||||||||||||||
| Paul Adams Jim Scott |
oil pump | ||||||||||||||
| Marjo Salonen Tuula Karkkulainen |
66th | ||||||||||||||
| Yuji Kase (2 door) Satoshi Hayashi |
Advan | 23rd (7th) | |||||||||||||
| Tom Ryan Anne Ryan |
46th | ||||||||||||||
| David Mann David West |
clutch | ||||||||||||||
| Statistics | |||||||||||||||
| Others starts/finishes | 13/7 | 2/1 | 4/2 | 4/1 | 2/1 | 1/1 | 3/2 | ||||||||
*Group N2 entries
Articles for group N and production
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Source3 door
Source2 door
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SourceFIA Roll Cage
Drawings
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SourceT50 gearbox
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page revision: 279, last edited: 29 Dec 2019 03:40