Toyota Celica TA64 Twin Cam Turbo group B (1983)
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1976: Toyota Celica RA23 GT2000 16V
1979: Toyota Celica RA45 GT2000
1982: Toyota Celica RA63 GT2000
1983: Toyota Celica TA64 TCT

Toyota Team Europe information here
On board: see video with Juha Kankkunen in RAC rally 1985
In Safari rally 1984/1985/1986: see video


Specifications

Group/Class B/12 Homologation number: B 239 (04/01 ET)
Years active 1983 - 1986 Homologation start: 1/8/1983
Engine
Type 4T-GTE, straight 4cyl, 4 stroke, petrol engine located front longitudinal with 4o left inclination
Capacity 2090 cc WRC: x 1.4 = 2926 cc
Bore x Stroke (mm) 89.0 x 84.0
Compression ratio 7.1:1
Output power - torgue 350 - 370 HP/ 8500 rpm
(max 380 HP / 9000rpm at 0.90 bar)
(330 HP at 0.55 bar)
35.0 - 43.8 kgm (343 - 430 Nm) / 5500 rpm
Main bearings 5 of 62mm diameter connecting rod length between centers 123mm, big end bearing diameter 51mm
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), chain driven 4 valves/cyl. - 16 valves total. 46.5mm inlet valves diameter, 40.5mm exhaust valves diameter. 33o angle between inlet valves axis and vertical, 33o angle between exhaust valves axis and vertical
Aspiration KKK K27 turbocharger (heat resistance alloy turbine 76mm diameter, aluminium compressor 82mm diameter) with air/air intercooler, Nippondenso D-jetronic multipoint electronic fuel injection pressure: 0.75 bar (max 0.90 bar)
Ignition electronic nipodenso, 2 spark plugs per cylinder, firing order 1-3-4-2
Cooling system watercooled
Lubrication system dry sump 15 lt
Transmission
Type rear wheel drive 5 speed hewland gearbox
Gearbox ratios constant: 1.364/1 (30/22)
1st: 2.818/1 (31/15)
2nd: 1.860/1 (30/22)
3rd: 1.423/1 (24/23)
4th: 1.169/1 (24/28)
5th: 1.000/1 (-)
R: 4.196/1 (23/13 x 40/23)
constant: 1.364/1 (30/22)
1st: 2.273/1 (30/18)
2nd: 1.719/1 (29/23)
3rd: 1.364/1 (24/24)
4th: 1.145/1 (21/25)
5th: 1.000/1 (-)
R: 4.196/1 (23/13 x 40/23)
Diffrential ratio 5.374/1 (43/8), 4.889/1 (44/9), 4.545/1 (50/11) hypoid bevel gears limited slip rear differential
Clutch dry, double disk
Chassis-body
Type steel monocoque TA64 chassis with roll cage and front steel subframe. 2 door coupe steel bodyshell with plastic front and rear bonnets, plastic doors, plastic bumpers and plastic rear spoiler
Front suspension mc pherson strut with lower L wishbone, coil spring, telescopic gas shock absorber and anti-roll bar 15 to 30mm diameter
Rear suspension live axle with 2 lower radius arms, 2 upper 45o location arms, parhar rod, coil springs, telescopic gas shock absorber and anti roll bar 10 to 20mm diameter
Steering system rack and pinion 2.25 turns lock to lock, 13/1
Brakes front ventilated disks 260/285mm diameter with 4 aluminium piston calipers.
Rear ventilated disks 264/285mm diameter with 2/4 aluminium piston calipers.
1986+: front ventilated disks 300mm diameter
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.284 m (168.7") width: 1.785 m (70.3") height: 1.410 m (55.5")
wheelbase: 2.500 m (98.4") front track: 1.410 m (55.5") rear track: 1.400 m (55.1")
Rims - tires speedline light alloy
front: 6" - 8" x 15" (only for gravel 16")
back: 7" - 10" x 15"
Pirelli, 185/75 - 215x15"
Weight 1020 - 1100 kg
Weight/power 3.0 kg/HP
Fuel tank 100 lt (130 lt for Safari)

Results in WRC

Statistics

1983 1984 1985 1986 Total
Works
Races /wins 3/1 5/1 5/2 3/2 16/6
Entries/finishes 8/5 11/4 11/6 9/8 39/23 (59%)
Others
Races/wins 0
Entries/finishes 2/0 2/0 (0%)
Total WRC results
Races/wins 3/1 5/1 5/2 3/2 16/6
Entries/finishes 8/5 13/4 11/6 9/8 41/23 (56.1%)
Total points 27 30 48 66 171
(10.687 per race)
(4.171 per entry)

Races

Works team: Toyota Team Europe

Season
Entry Rally event
Driver
Codriver
Team M.C (SVE) POR KEN TdC GRE N.Z ARG FIN S.R (CdI) RAC
Björn Waldegård
Hans Thorszelius
works* 12th 1st eng ine
Juha Kankkunen
Staffan Pettersson
works* 6th OTL 7th
Per Eklund
Ragnar Spjuth
works* 3rd acci dent
Total points
()
27 5 18 4
Statistics
Works starts/finishes 8/5 2/2 3/2 3/1

*Works entries
Rally Cote d' Ivoire: Premoto Toyota team
Rally RAC: Toyota team Great Britain team


Information and articles

Article from 4T 177, 6/1985

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Toyota_Celica_1984_Group_B.jpg Source
Juha Kankkunen's car in Safari rally '85
Toyota_rally2.jpg Source
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