Peugeot 205 T16 group B (1984)
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peugeot-205-t16-1985-monte-carlo-rally-diecast-model-car-spark-s1269-p.jpg Source Development chain
1984: Peugeot 205 T16
1985: Peugeot 205 T16-2
1999: Peugeot 206 WRC
Development level
Group B Evolution 2
Group B Evolution 1
Group A
Group N
Production

Documentary (italian): video1, video2, video3, video4, video5, video6, video7, video8, video9, video10, video11, video12, video13 video14

Racing: see video


Specifications

Group/Class B/12 Homologation number: B 262 (02/01 ET)
Years active 1984 - 1985 Homologation start: 1/4/1984
Engine
Type XU8T, straight 4cyl, 4 stroke, petrol engine located middle transverse
Capacity 1775 cc WRC: x 1.4 = 2485 cc
Bore x Stroke (mm) 83.0 x 82.0
Compression ratio 7.0:1
Output power - torgue 340 - 350 HP / 8000 rpm 45.9 kgm (450 Nm) / 5000 rpm
Main bearings 5 of 60mm diameter connecting rod length between centers 140mm, big end bearing internal diameter 53.7mm
Materials block: aluminium alloy cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total. 33.4mm inlet valves diameter, 30mm exhaust valves diameter. 49.5o angle between inlet valve axis and exhaust valve axis (not symmetrical)
Aspiration KKK K26 twin scroll turbocharger (steel turbine 64.5mm diameter, aluminium compressor 76mm diameter) with air/air intercooler, Bosch K-jetronic multipoint mechanical fuel injection pressure: 1.4 - 1.5 bar
Ignition electronic, firing order 1-3-4-2
Cooling system watercooled
Lubrication system dry sump
Transmission
Type four wheel drive 5 speed gearbox
Gearbox ratios 1st: 2.923/1 (38/13)
2nd: 1.944/1 (35/18)
3rd: 1.407/1 (38/27)
4th: 1.129/1 (35/31)
5th: 0.969/1 (32/33)
R: 3.154/1 (41/22 x 22/13)
1st: 2.533/1 (38/15)
2nd: 1.789/1 (34/19)
3rd: 1.357/1 (38/28)
4th: 1.129/1 (35/31)
5th: 0.961/1 (25/26)
R: 3.154/1 (41/22 x 22/13)
Diffrential ratio front/rear 3.888/1 (35/9), center 1.130/1 (26/23) or 1.380/1 (29/21) or 1.217/1 (28/23) spiral bevel gears center epicyclic differential with viscous coupling (see picture), hypoid spiral bevel gears limited slip 25% front and 75% rear ZF differentials
Clutch ventilated double disk
Chassis-body
Type steel monocoque 20C central frame enforced with tubular roll cage and one steel subframe for front engine bay and suspension and one steel subframe for rear suspension. 2 door hatchback steel bodyshell with polyester bonnets. Two body blocks at front and rear, made of polyester, and polyurethane bumpers
Front suspension double wishbones with coil spring, telescopic bilstein shock absorbers and antiroll bar
Rear suspension double wishbones with coil spring, telescopic bilstein shock absorbers and antiroll bar
Steering system rack and pinion 2.5 turns lock to lock. 19.2/1
Brakes front ventilated disks 273mm diameter with 1 cast iron/aluminium piston caliper, or 278/300mm diameter with 4 aluminium piston calipers. Rear ventilated disks 273mm diameter with 1 cast iron/aluminium piston caliper, or 278/300mm diameter with 4 aluminium piston calipers.
1985+: front and rear 2 x aluminium/magnesium 4 piston calipers per disk (8 pistons total)
dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.825 m (150.6") width: 1.674 m (65.9") height: 1.330 m (52.4")
wheelbase: 2.540 m (100.0") front track: 1.430 m (56.3") rear track: 1.430 m (56.3")
Rims - tires 15" Michelin TRX, front 20.69x390, rear 23.59x390
Weight 940 - 980 kg
Weight/power 2.8 kg/HP
Fuel tank 2 x 54 = 108 lt, or 1 x 54 lt + 1 x 25 lt = 79 lt
Drag coefficient 0.35

Results in WRC

Statistics

1984 1985 1986 Total
Works
Races /wins 5/3 9/6 14/9
Entries/finishes 8/5 20/12 28/17 (60.7%)
Others
Races +1 5 6
Entries/finishes 9/4 12/5 21/9 (42.9%)
Total WRC results
Races 5/3 10/6 5 20/9
Entries/finishes 8/5 29/16 12/5 49/26 (53.1%)
Total points 43 104 147
(7.350 per race)
(3.000 per entry)

Races

Works team: Peugeot Talbot Sport

Season
Entry Rally event
Driver
Codriver
Team M.C (SVE)
Entry list
POR KEN TdC GRE N.Z ARG FIN S.R (CdI) RAC
Ari Vatanen
Terry Harryman
works acci dent eng ine 1st 1st 1st
Jean-Pierre Nicolas
Charley Pasquier
works 4th drive shaft 5th
Total points
()
43 7 10 16 10
Statistics
Works starts/finishes 8/5 2/1 2/0 1/1 2/2 1/1

*Private entry with a Peugeot 504


Information and articles

Article from 4Τ 182, 11/1985

Click here

Wikipedia

Click here

Peugeot-205-T16-Group-B_7.jpg Source
Peugeot_205_T16_%288%29.jpg Source
peugeot-205-t16-108.jpg Source
Ari Vatanen in Argentina rally '85

Drawings

02.jpg Source
peugeot_205_t16_9.jpg Source
peugeot_205_t16-00745.jpg Source
peugeot_205_turbo_16_1985.jpg Source

Engine

205t16Presse14.jpg Source

KKK K26 turbine

turbina%20garrett-spaccato.jpg Source

Transmission

205T16_drivetrain.jpg Source
peugeot-205-turbo-16_xx.jpg Source
Center differential

Chassis

peugeot205turbo16.jpg?w=474&h=579 Source
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