Subaru Impreza GD WRC2005 (S11)
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1993: Subaru Impreza GC8 555
1997: Subaru Impreza GC8 WRC97
1998: Subaru Impreza GC8 WRC98
1999: Subaru Impreza GC8 WRC99
2000: Subaru Impreza GC8 WRC2000
2001: Subaru Impreza GD WRC2001
2002: Subaru Impreza GD WRC2002
2003: Subaru Impreza GD WRC2003
2004: Subaru Impreza GD WRC2004
2005: Subaru Impreza GD WRC2005
2006: Subaru Impreza GD WRC2006
2007: Subaru Impreza GD WRC2007
2008: Subaru Impreza GE WRC2008

Also called Subaru Impreza S44 WRC2005 S11 and Blob eye

Specifications

11 units built

Group/Class A/8 Homologation number: A5652 (19/03 WR)
Years active 2005 Homologation start: 1/3/2005
Homologation end: 31/12/2013
Engine
Type EJ207, boxer V4cyl (180o) located front longitudinal
Capacity 1994 cc WRC: x 1.7 = 3390 cc
Bore x Stroke (mm) 92.0 x 75.0
Compression ratio 9.0:1
Output power - torgue 300 HP / 5500 rpm 60 kgm (589 Nm) / 4000 rpm
Main bearings 5 of 64mm diameter, 52mm big end journals diameter connecting rod length between centers 130.5mm, big end bearing diameter 55mm
Materials block: die-cast aluminium alloy, with cast iron "dry type" cylinder liners, 201mm height cylinderhead: die-cast aluminium alloy 127mm height
Cams/valves 2 x 2 overhead camshafts (DOHC), belt driven with Active Valve Control System (AVCS) and Tumble Generator Valves (TGVs) 4 valves/cyl. - 16 valves total. 36.2mm inlet valves diameter, 32.2mm exhaust valves diameter. 20.5o angle between inlet valves and vertical, 20.5o angle between exhaust valves and vertical. 1 coil spring per inlet/exhaust valve
Aspiration IHI RH twin scroll turbocharger (oil lubricated and watercooled) with chargecooler (water-to-air intercooler), 34mm turbo restrictor, anti-lag system and catalytic converter fitted. Nippon Denso MPI multipoint electronic fuel injection with a drive-by-wire throttle pressure: 2.0 bar
Ignition MoTeC M800 mapped electronic. Firing order 1-3-2-4
Cooling system watercooled 7.7 lt
Lubrication system wet sump with 1 oil cooler 5.5 lt
Transmission
Type four wheel drive Prodrive ATM (Automated Manual Transmission) 6-speed semi-automatic gearbox, electronically controlled, hydraulically actuated paddle-shift, or conventional H-pattern
Gearbox ratios 1st: 3.636/1 (40/11)
2nd: 2.375/1 (38/16)
3rd: 1.761/1 (37/21)
4th: 1.346/1 (35/26)
5th: 1.062/1 (34/32)
6th: 0.842/1 (32/38)
R: 3.545/1 (26/11 x 39/26)		 1st: 3.000/1 (30/10)
2nd: 2.250/1 (27/12)
3rd: 1.800/1 (27/15)
4th: 1.470/1 (25/17)
5th: 1.210/1 (23/19)
6th: 1.000/1 (21/21)
R: 3.545/1 (26/11 x 39/26)
Diffrential ratio front and rear 3.900/1 (39/10), transfer box1.000/1 (31/31) active hydro/electronically controlled epicyclical center differential with viscous coupling, 1st output to helical gears transfer box, 2nd output through hollow secondary gearbox shaft to hypoid spiral bevel gears active hydro/electronically controlled viscous coupling front differential. Hypoid spiral bevel gears active hydro/electronically controlled viscous coupling rear differential
2006+: Limited slip front and rear differentials
Clutch dry double carbon plate, 240mm diameter
Chassis-body
Type steel monocoque GDB chassis with roll-cage, front steel subframe for front suspension and gearbox, and rear steel subframe for rear suspension. 4 door saloon steel bodyshell with extended wheel arches, aluminium front bonnet, polypropylene and steel front and rear bumbers, and synthetic rear wing
Front suspension mac pherson strut with lower wishbone, coil springs, Bilstein telescopic watercooled gas shock absorbers and anti-roll bar
Rear suspension mac pherson strut with longitudinal and transverse links, coil springs, Bilstein telescopic watercooled gas shock absorbers and anti-roll bar
Steering system power assisted rack and pinion
Brakes ventilated disks all around,
tarmac: 368/310mm diameter front/rear with 6 piston calipers
gravel: 310mm diameter with 4 piston calipers front/rear
Dimensions
length: 4.415 m (173.8") width: 1.800 m (70.9") height: 1.390 m (54.7")
wheelbase: 2.540 m (100.0") front track: 1.510 m (59.5") rear track: 1.510 m (59.5")
Rims - tires tarmac: 8" x 18", gravel: 7" x 15" Pirelli
Weight 1230 kg
Weight/power 4.1 kg/HP
Fuel tank 70-120 lt

Results in WRC

Statistics

2005 2006 2007 2008 Total
Works
Races 14/2 14/2
Entries/finishes 34/25 34/25 (73.5%)
Others
Races/wins 10 2 1 13
Entries/finishes 10/9 6/3 1/0 17/12 (70.6%)
Total WRC results
Races/wins 14/2 10 2 1 27/2
Entries/finishes 34/25 10/9 6/3 1/0 51/37 (72.5%)
Total points 109 13 5 127
(4.704 per race)
(2.490 per entry)

Races

Works team: Subaru World Rally Team

Season
Entry Rally event
Driver
Codriver		 Team MC SVE MEX NZ ITA CY TUR GRE ARG FIN DE GB JAP FRA ESP AUS
Petter Solberg
Phil Mills
PRO.05.002		 works 1st 2nd
Petter Solberg
Phil Mills
PRO.05.004		 works 3rd 2nd
Petter Solberg
Phil Mills
PRO.05.007		 works ele ctri cal 4th eng ine
Petter Solberg
Phil Mills
PRO.05.009		 works 9th 1st
Petter Solberg
Phil Mills
PRO.05.010		 works 3rd acci dent
Petter Solberg
Phil Mills
PRO.05.011		 works 7th 3rd 13th
Stéphane Sarrazin
Patrick Pivato
PRO.05.006		 works 12th acci dent
Stéphane Sarrazin
Patrick Pivato
PRO.05.004		 works 8th 4th acci dent
Stéphane Sarrazin
Patrick Pivato
PRO.05.001		 works 13th
Chris Atkinson
Glenn MacNeall
PRO.05.003		 works acci dent 18th dnf 38th
Chris Atkinson
Glenn MacNeall
PRO.05.005		 works 7th 24th 11th acci dent 9th
Chris Atkinson
Glenn MacNeall
PRO.05.008		 works 10th mec hani cal 4th
Chris Atkinson
Glenn MacNeall
PRO.05.002		 works 9th 3rd
Total points
()		 109 10 12 9 1 9 2 10 7 7 10 8 15 2 7
Statistics
Works starts/finishes 34/25 2/1 2/2 3/3 2/1 2/2 3/2 2/2 2/1 3/3 3/2 2/1 3/2 3/2 2/1
Subaru-Impreza-WRC-2005_3.jpg Source

Drawings

subaru-impreza-wrc-2005.gif Source

Turbocharger

modp-0906-03-o-twin-scroll-diagram.jpg

Transmission

si-wrx-sti-5-6.jpg Source
page revision: 54, last edited: 27 Mar 2019 16:18
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