Il y a eu par le passé un sujet assez peu fourni c'est pour ça que j'en refait un plus détaillé.
La Supra MKIII participa à quelques rallyes dans sa carrière, plus précisément entre 1987 et 1989 avec trois équipages : Lars-Erik Torph/Benny Melander Björn Waldegård/Fred Gallagher et Robin Ulyate/Ian Street le drnier équipage étant des privés, les deux autres étant engagés par Toyota Team Europe.
En 1987 la version engagé était basé sur une MKIII Atmo.
Group/Class A/8 Homologation number: A 5331
Years active 1987 Homologation start: 1/4/1987
Engine
Type 7M-GE, straight 6cyl, 4 stroke located front longitudinal
Capacity 2954 cc WRC: 2954 cc
Bore x Stroke (mm) 83.0 x 91.0
Compression ratio 11.0:1
Output power - torgue 270 - 290 HP / 6800 rpm 30.6 kgm (300 Nm) / 6000 rpm
Main bearings 7 of 60mm diameter connecting rod big end bearing internal diameter 55mm
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 24 valves total. 25o angle between inlet valve axis and vertical, 25o angle between exhaust valve axis and vertical
Aspiration natural, electronic fuel injection
Ignition electronic, NGK BCPR6EY or BCPR5EP11 spark plug, firing order 1-5-3-6-2-4
Cooling system watercooled 7.5 lt
Lubricating system wet sump 5 lt
Transmission
Type rear wheel drive Hewland or Toyota W58, 5 speed gearbox
Gearbox ratios 1st: /1
2nd: /1
3rd: /1
4th: /1
5th: 1.000/1 1st: 3.285/1
2nd: 1.894/1
3rd: 1.275/1
4th: 1.000/1
5th: 0.783/1
R: 3.768/1
Diffrential ratio 4.550/1 or 4.880/1 lypoid spiral bevel gears limited slip rear differential
Clutch dry, double disk
Chassis-body
Type steel monocoque MA70 chassis of Toyota A platform with roll-cage. 3 door coupe steel bodyshell
Front suspension double wishbones with coil springs and telescopic gas shock absorbers
Rear suspension double wishbones with coil springs and telescopic gas shock absorbers
Steering system rack and pinion
Brakes ventilated disks all around
Dimensions
length: 4.630 m (181.3 in) width: 1745 m (68.7 in) height: 1.330 m (52.4 in)
wheelbase: 2.596 m (102.2 in) front track: 1.470 m (57.9 in) rear track: 1.475 m (58.0 in)
Rims - tires 16" Pirelli, front: 165/80/16" or 175/75/16" or 185/65/16", rear: 185/75/16" or 205/65/16" or 215/60/16"
Weight 1450 - 1500 kg
Weight/power 5.3 kg/HP
Fuel tank 70 lt
Drag coefficient 0.33
La Supra a mené le Safari Rally 87 jusqu'à ce qu'une casse moteur le dernier jour brise les espoirs de victoire.
A l'issue de la saison, la voiture totalisa un score de 18 points, le meilleur résultat étant une victoire au Rallye de Hong-Kong avec l'équipage Björn Waldegård/Fred Gallagher.
A partir de 1988, Toyota Team Europe ce tourna vers une version Turbo.
roup/Class A/8 Homologation number: A 5334
Years active 1987 - 1989 Homologation start: 1/7/1987
Engine
Type 7M-GTE, straight 6cyl, 4 stroke located front longitudinal
Capacity 2954 cc WRC: x 1.4 = 4136 cc (1987)
x 1.7 = 5022 cc (1988+)
Bore x Stroke (mm) 83.0 x 91.0
Compression ratio 8.4:1
Output power - torgue 400 HP / 6600 rpm 48.9 kgm (480 Nm) / 4000 rpm
Main bearings 7 of 60mm diameter connecting rod big end bearing internal diameter 55mm
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 24 valves total. 25o angle between inlet valve axis and vertical, 25o angle between exhaust valve axis and vertical
Aspiration CT26 turbocharger with intercooler, electronic fuel injection pressure:
Ignition electronic, NGK BCPR6EY or BCPR6RP-N8 spark plug, firing order 1-5-3-6-2-4
Cooling system watercooled 7.5 lt
Lubricating system wet sump 5.1 lt
Transmission
Type rear wheel drive Hewland or Toyota R154, 5 speed gearbox
Gearbox ratios 1st: /1
2nd: /1
3rd: /1
4th: /1
5th: /1 1st: 3.250/1
2nd: 1.955/1
3rd: 1.310/1
4th: 1.000/1
5th: 0.753/1
Diffrential ratio 4.880/1 or 4.550/1 lypoid spiral bevel gears limited slip rear differential
Clutch dry, double disk
Chassis-body
Type steel monocoque MA70 chassis of Toyota A platform with roll-cage. 3 door coupe body shell
Front suspension double wishbones with coil springs and telescopic gas shock absorbers
Rear suspension double wishbones with coil springs and telescopic gas shock absorbers
Steering system rack and pinion
Brakes front and back ventilated disks
Dimensions
length: 4.630 m (181.3 in) width: 1745 m (68.7 in) height: 1.330 m (52.4 in)
wheelbase: 2.596 m (102.2 in) front track: 1.470 m (57.9 in) rear track: 1.475 m (58.0 in)
Rims - tires 16" Pirelli, front: 165/80/16" or 175/75/16" or 185/65/16",
rear: 185/75/16" or 205/65/16" or 215/60/16"
Weight 1350 - 1440 kg
Weight/power 3.6 kg/HP
Fuel tank 70 lt
Drag coefficient 0.33
Elle fut en tête du Bandama Rallye avant que Toyota ne décide de retirer toutes ces voitures à la suite de l'accident de Cessna 340 qui cause la mort du team manager, Henry Liddon et de son assistant, Nigel Harris ainsi que le pilote et le navigateur.
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Chouette post encore, je connaissais les photos mais pas les vidéos 