Peugeot 205 T16 group B (1984)

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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 builtClick here
Group/Class | B/12 | Homologation number: B262 | |
Years active | 1984 - 1985 | Homologation start: 1/4/1984 Homologation end: 31/12/1990 |
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Engine | |||
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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 |
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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
Click here
Wikipedia
Click here


Ari Vatanen in Argentina rally '85
Drawings





Engine

KKK K26 turbine

Transmission


Center differential
page revision: 154, last edited: 02 Oct 2019 18:11