Peugeot 205 T16 group B (1984)
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220px-Peugeot_Talbot_Sport_205_T16_%2828504430670%29.jpg Source Development chain
1984: Peugeot 205 T16
1985: Peugeot 205 T16-E2
1999: Peugeot 206 WRC		 Development level
Group B Evolution 2
Group B Evolution 1
Group A

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

Specifications

200 units built
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Group/Class B/12 Homologation number: B262
Years active 1984 - 1985 Homologation start: 1/4/1984
Homologation end: 31/12/1990
Engine
Type PSA XU8T, straight 4cyl, 4 stroke, petrol engine located centrally to co-drivers side (LHD) in front of rear axle, transverse with 20o backwards inclination
Capacity 1775 cc WRC: x 1.4 = 2485 cc
1988: x 1.7 = 3017 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 forged steel crankshaft with 5 main bearings 60mm diameter connecting rod length between centers 140mm, big end bearing tunnel diameter 53.7mm
Materials block: aluminium alloy cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
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 53269706418 turbocharger (12 blades steel turbine 54.5/64.5mm in/out diameter, 12 blades aluminium compressor 43/66mm in/out diameter), EVO: KKK K26 (12 blades steel turbine 54.5/64.5mm in/out diameter, 12 blades aluminium compressor 51/76mm in/out diameter) turbocharger with air/air intercooler, Bosch K-jetronic multipoint hydraulic fuel injection pressure: 1.4 - 1.5 bar
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, fan and thermostat
Lubrication system wet sump, dry sump with 5 stages pump
Transmission
Type four wheel drive 5 speed manual gearbox
Gearbox ratios 1st: 2.923/1 (38/13)
2nd: 1.944/1 (35/18)
3rd: 1.321/1 (37/28)
4th: 0.969/1 (32/33)
5th: 0.756/1 (28/37)
R: 3.154/1 (41/22 x 22/13)		 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 differential 1.130/1 (26/23), 1.380/1 (29/21), 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 polyester body blocks at front and rear, and polyurethane bumpers
Front suspension double 'A' wishbones with coil spring, telescopic bilstein shock absorbers and antiroll bar
Rear suspension double 'A' wishbones with coil spring, telescopic bilstein shock absorbers and antiroll bar
Steering system rack and pinion (no servo) 2.5 turns lock to lock. 19.2/1
Brakes Front ventilated disks 273mm diameter with 1 cast iron+aluminium piston caliper 54mm diameter, rear ventilated disks 273mm diameter with 1 cast iron+aluminium piston caliper 50mm diameter.
Front/rear 278mm diameter with 4 aluminium piston calipers 38.1mm diameter.
Front/rear 300mm diameter with 4 aluminium piston calipers 41.2mm diameter.
1985+: aluminium+magnesium 4 piston calipers		 dual circuit with vacuum servo, adjustable ratio split front to rear
Dimensions
length: 3.825 m (150.6") width: 1.674 m (65.9")
EVO: 1.700 m (66.9")		 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
Fuel tank 2 x 54 = 108 lt, 1 x 54 + 1 x 25 = 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 6 7
Entries/finishes 9/4 14/5 23/9 (39.1%)
Total WRC results
Races 5/3 10/6 6 21/9
Entries/finishes 8/5 29/16 14/5 51/26 (51.0%)
Total points 43 104 147
(7.000 per race)
(2.882 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
C1		 works acci dent
Ari Vatanen
Terry Harryman
C11		 works eng ine
Ari Vatanen
Terry Harryman
C4		 works 1st
Ari Vatanen
Terry Harryman
C7		 works 1st 1st
Jean-Pierre Nicolas
Charley Pasquier
C2		 works 4th
Jean-Pierre Nicolas
Charley Pasquier
C4		 works drive shaft
Jean-Pierre Nicolas
Charley Pasquier
C6		 works 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

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Wikipedia

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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
peugeot205turbo16.jpg?resize=474%2C579&ssl=1 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
page revision: 154, last edited: 02 Oct 2019 18:11
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