Skoda Octavia I WRC2002
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Home » Rally Cars » Skoda Octavia I WRC2002
2002_skoda_octavia_wrc-1.jpg Source Development chain
1997: Skoda Octavia I Kit Car
1999: Skoda Octavia I WRC1999
2000: Skoda Octavia I WRC2000
2002: Skoda Octavia I WRC2002

Specifications

Group/Class A/8 Homologation number: A 5573 (33/03 WR)
Years active 2001 - 2003 Homologation start: 1/12/2001
Homologation end: 31/12/2009
Engine
Type R4 EA827, code AGN, straight 4cyl, 4 stroke, petrol engine located at front transversely with 15o front inclination
Capacity 1999.3 cc WRC: x 1.7 = 3398.7 cc
Bore x Stroke (mm) 82.5 x 93.5
Compression ratio 9.5:1
Output power - torgue 300 HP / 5000 rpm 61.2 kgm (600 Nm) / 3250 rpm
Main bearings 5 of 54mm diameter connecting rod length between centers 142mm, big end bearing diameter 50.6mm
Materials block: grey cast iron 220mm height cylinderhead: aluminium alloy 139.5mm height
Cams/valves dual overhead camshafts (DOHC), belt driven with VANOS system for inlet valves 5 valves/cyl. - 20 valves total. 27mm inlet valves diameter (3), 30mm exhaust valves diameters (2). 21.65o angle between 2 inlet valves axis and vertical, 14.86o angle between central inlet valve axis and vertical, 20.19o angle betwee exhaust valves and vertical. 1 coil spring per valve
Aspiration Garrett/Allied Signal TR30K turbocharger (9 blades steel turbine 52/60mm in/out diameter, 5+5 blades aluminium compressor 44.7/69.1mm in/out diameter) with air/water intercooler, anti-lag system, 34mm turbo restrictor and catalytic converter fitted. Euro 12 electronic multipoint fuel injection
Ignition mapped electronic direct ignition with 4 individual single spark coils, firing order 1-3-4-2
Cooling system watercooled 6 lt
Lubrication system wet sump with oil cooler and magnesium sump 5 lt
Transmission
Type four wheel drive X-trac 6-speed sequential
Gearbox ratios 1st: 2.857/1 (40/14)
2nd: 2.111/1 (38/18)
3rd: 1.750/1 (35/20)
4th: 1.500/1 (33/22)
5th: 1.250/1 (30/24)
6th: 1.115/1 (29/26)
R: 2.357/1 (14/12 x 12/33)
1st: 2.692/1 (35/13)
2nd: 2.062/1 (33/16)
3rd: 1.667/1 (30/18)
4th: 1.381/1 (29/21)
5th: 1.182/1 (26/22)
6th: 1.042/1 (25/24)
R: 3.272/1 (36/11)
1st: 2.917/1 (35/12)
2nd: 2.357/1 (33/14)
3rd: 1.933/1 (29/15)
4th: 1.625/1 (26/16)
5th: 1.421/1 (27/19)
6th: 1.263/1 (24/19)
R: 2.692/1 (35/13)
1st: 2.923/1 (38/13)
2nd: 2.133/1 (32/15)
3rd: 1.667/1 (30/18)
4th: 1.333/1 (24/18)
5th: 1.083/1 (26/24)
6th: 0.888/1 (24/27)
R: 2.562/1 (19/16 x 41/19)
1st: 2.615/1 (34/13)
2nd: 2.000/1 (30/15)
3rd: 1.588/1 (27/17)
4th: 1.278/1 (23/18)
5th: 1.037/1 (28/27)
6th: 0.857/1 (24/28)
Diffrential ratio Front: 4.235/1 (72/17), 3.000/1 (51/17), 3.118/1 (53/17), 3.250/1 (52/16), 3.294/1 (56/17), 3.313/1 (53/16), 3.400/1 (51/15), 3.467/1 (52/15), 3.474/1 (66/19), 3.500/1 (56/16), 3.533/1 (53/15), 3.563/1 (57/16), 3.611/1 (65/18), 3.643/1 (51/14), 3.647/1 (62/17), 3.667/1 (66/18), 3.722/1 (67/18), 3.733/1 (56/15), 3.867/1 (58/15), 3.882/1 (66/17), 3.933/1 (59/15), 3.941/1 (67/17), 3.944/1 (71/18), 4.000/1 (68/17), 4.067/1 (61/15), 4.071/1 (57/14), 4.188/1 (67/16), 4.214/1 (59/14), 4.250/1 (68/16), 4.313/1 (69/16), 4.533/1 (68/15), 4.600/1 (69/15), 4.667/1 (70/15 or 56/12), 4.833/1 (58/12), 4.917/1 (59/12), 4.929/1 (69/14), 5.000/1 (70/14), 5.071/1 (71/14), 5.083/1 (61/12), 5.385/1 (70/13), 5.417/1 (65/12), 5.462/1 (71/13), 5.538/1 (72/13), 5.636/1 (62/11). And 4.357/1 to 4.643/1 (61-65/14), 3.769/1 to 4.231/1 (49-55/13), 4.384/1 to 4.692/1 (57-61/13). And 4.400/1 (66/15), 4.467/1 (67/15), 4.625/1 (74/16), 5.200/1 (78/15), 5.250/1 (63/12), 5.267/1 (79/15), 5.308/1 (69/13)
Transfer box: 0.393/1 (11/28)
Rear differential: 2.545/1 (28/11)
gearbox input to helical gears active hydro/electronically controlled front differential. Front differential housing permanentrly connected to hypoid bevel gears active hydro-electronically control transfer box with viscous coupler. Hypoid bevel gears limited slip (friction disks) rear differential. 50%-50% F-R torque distribution
Clutch dry carbon triple disk
Chassis-body
Type steel monocoque Typ 1U chassis of VW A4 (PQ34) platform, fully galvanized with roll-cage. Front and rear steel tubular subframes. 4 door saloon steel bodyshell with extended steel wheel arches, polypropylene bumpers and rear plastic spoiler
Front suspension mac pherson strut with lower L wishbones, coil springs and ProFlex gas shock absorbers, cabin adjustable antiroll bar 25-40mm diameter
Rear suspension mac pherson strut with lower wishbone, coil springs and ProFlex gas shock absorbers, cabin adjustable antiroll bar 25-40mm diameter
Steering system rack and pinion with hydraulic power assistance
Brakes ventilated front disks with 250-390mm disk diameter and 4/6 aluminium piston calipers. Ventilated rear disks with 232-390mm disk diameter and 2/4 aluminium piston calipers.
tarmac: 376/304mm diameter with 6/4 piston calipers front/rear
gravel: 304mm diameter with 4 piston calipers front/rear
dual circuit with servo, adjustable ration split front to rear
Dimensions
length: 4.511 m (177.6") width: 1.770 m (69.7") height: 1.429 m (56.3")
wheelbase: 2.512 m (98.9") front track: 1.597 m (62.9") rear track: 1.597 m (62.9")
Rims - tires tarmac: 8" x 18", gravel: 7" x 15" Michelin, tarmac: Moulded Slicks 20/65-18 XTL (225/40-18)
Weight 1230 kg
Weight/power 4.1 kg/HP
Fuel tank
Drag coefficient 0.31

Garrett TR30R Turbocharger features:

T25 type ball bearing cartridge.
The bearing races are made from M50 material and the retainer from silicon-bronze for high temperature capability.
An air-cooled center housing with turbo speed pickup boss.
Thin wall stainless steel turbine housing with V-Band inlet and outlet and attached with a V-Band.
The turbine housing is shielded with an activated carbon cloth heat shield.
Mar-M 247 turbine wheel material is good up to 1050C/1922F turbine inlet temperature.
The compressor housing is attached to a standard back plate with a V-Band.
Billet 5-axis machined aluminum compressor wheel.


Results in WRC

Statistics

2002 2003 2004 Total
Works
Races 6 7 13
Entries/finishes 15/10 15/9 30/19 (63.3%)
Others
Races +2 2 4
Entries/finishes 3/2 2/0 5/2 (40%)
Total WRC results
Races 6 9 2 17
Entries/finishes 15/10 18/11 2/0 35/21 (60%)
Total points 13 29 42
(2.471 per race)
(1.200 per entry)

Races

Works team: Skoda Motorsport

Season
Entry Rally event
Driver
Codriver
Team MC SVE TdC ESP CY ARG GRE KEN FIN DE SR NZ AUS RAC
Toni Gardemeister
Paavo Lukander
20
works 12th
Toni Gardemeister
Paavo Lukander
22
works acci dent
Toni Gardemeister
Paavo Lukander
21
works acci dent 10th
Toni Gardemeister
Paavo Lukander
25
works 8th 6th
Kenneth Eriksson
Tina Thörner
21
works fuel
Kenneth Eriksson
Tina Thörner
24
works 10th 11th 13th
Kenneth Eriksson
Tina Thörner
23
works acci dent 8th
Matthias Kahle
Peter Göbel
18
works eng ine
Roman Kresta
Jan Tománek
20
works 12th 15th
Total points
()
13 1 3 8 1
Statistics
Works starts/finishes 15/10 2/1 3/1 3/2 2/1 2/2 3/3

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