Subaru Impreza GC8 WRC99 (S5)
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Develompent chain 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 22B WRC99
In tarmac rallies: see video
Specifications
28 units built| Group/Class | A/8 | Homologation number: A 5480 (40/03 WR) | |
| Years active | 1999 - 2000 | Homologation start: 1/1/1999 Homologation end: 31/12/2010 |
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| Engine | |||
| Type | EJ207 JDM, boxer 4 cyl (180o degrees), 4 stroke, petrol engine. Click here | located front longitudinal | |
| Capacity | 1994.3 cc | WRC: x 1.7 = 3390.3 cc | |
| Bore x Stroke (mm) | 92.0 x 75.0 | ||
| Compression ratio | 9.0:1 | ||
| Output power - torgue | 300 HP / 5500 rpm | 48.0 kgm (471 Nm) / 4000 rpm | |
| Main bearings | 5 of 64mm diameter, 52mm big end journals diameter | connecting rod length between centers 134.5mm, 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 | 4 valves/cyl. - 16 valves total. 36.2mm inlet valve diameter, 32.2mm exhaust valves diameter. 20.5o angle between inlet axis and vertical, 20.5o angle between exhaust valve axis and vertical. 1 coil spring per inlet/exhaust valve | |
| Aspiration | IHI RX turbocharger (steel turbine 62mm diameter, aluminium compressor 69mm diameter), with chargecooler (water-to-air intercooler), 34mm turbo restrictor, anti-lag system and catalytic converter fitted, Jecs Bosch D-jetronic multi point eletronic fuel injection, and drive-by-wire throttle | pressure: 2 bar | |
| Ignition | MoTeC M800 mapped electronic. Firing order 1-3-2-4 | ||
| Cooling system | watercooled | 7.7 lt | |
| Lubricating 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: 2.923/1 (38/13) 2nd: 2.125/1 (34/16) 3rd: 1.736/1 (33/19) 4th: 1.450/1 (29/20) 5th: 1.227/1 (27/22) 6th: 1.043/1 (24/23) R: 2.000/1 (36/12) |
1st: 2.923/1 (38/13) 2nd: 2.125/1 (34/16) 3rd: 1.667/1 (30/18) 4th: 1.333/1 (28/21) 5th: 1.087/1 (25/23) 6th: 0.893/1 (25/28) R: 2.000/1 (36/12) |
1s1st: 2.923/1 (38/13) 2nd: 2.125/1 (34/16) 3rd: 1.667/1 (30/18) 4th: 1.333/1 (28/21) 5th: 1.087/1 (25/23) 6th: 0.853/1 (29/34) R: 2.000/1 (36/12) |
| Diffrential ratio | front/rear differentials: 4.111/1 (37/9), 3.364/1 (37/11), 3.454/1 (38/11), 3.545/1 (39/11), 3.700/1 (37/10), 3.900/1 (39/10), 4.364/1 (48/11), 4.444/1 (40/9), 4.625/1 (37/8), 4.875/1 (39/8), 5.143/1 (36/7), 3.889/1 (35/9), 3.875/1 (31/8), 3.444/1 (31/9), 4.375/1 (35/8) Transfer box: 1.111/1 (30/27), 1.100/1 (33/30), 1.250/1 (30/24), 1.273/1 (28/22), 1.182/1 (26/22), 1.043/1 (24/23), 1.333/1 (28/21), 1.450/1 (29/20), 1.087/1 (25/23), 1.136/1 (25/22) |
gearbox driven shaft permanently coupled with central differential case. Active hydro/electronically controlled viscous coupling center differential, with 1st output through hollow driven gearbox shaft to hypoid spiral bevel gears viscous coupling front differential, and 2nd output to helical gears transfer box, and then to hypoid spiral bevel gears viscous coupling rear differential | |
| Clutch | dry, double carbon disk 240mm diameter | ||
| Chassis-body | |||
| Type | Steel monocoque GC8D chassis with roll-cage. Front and rear steel tubular subframes with central tubular steel tunel for rear axle. 2 door coupe steel bodyshell with extended steel wheel arches, aluminium front bonnet, steel supported polypropylene bumbers, and plastic rear spoiler | ||
| Front suspension | macpherson strut with lower L wishbones, coil springs, Bilstein telescopic watercooled gas shock absorbers and 10 to 40mm diameter anti-roll bar | ||
| Rear suspension | macpherson strut with 2 lower transverse and 1 longitudinal links, coil springs, Bilstein telescopic watercooled gas shock absorbers and 10 to 40mm diameter anti-roll bar | ||
| Steering system | rack and pinion with hydraulic power assistance | ||
| Brakes | ventilated front disks with 270-380mm disk diameter and 4/6/8 aluminium piston calipers. Ventilated rear disks with 270-380mm disk diameter with 4 aluminium piston calipers. Tarmac: 368/326/310mm diameter front/rear with 6/4 piston calipers, gravel: 316mm diameter with 4 or 2 piston calipers front/rear | dual circuit with servo, adjustable ratio split front to rear | |
| Dimensions | |||
| length: 4.340 m (170.9 in) | width: 1.770 m (69.7 in) | height: 1.405 m (55.3 in) | |
| wheelbase: 2.520 m (99.2 in) | front track: 1.510m (59.4 in) | rear track: 1.510 m (59.4 in) | |
| Rims - tires | tarmac 8"x18", gravel 7"x15", snow 5.5"x16" | Pirelli, 206/65x15 | |
| Weight | 1230 kg | ||
| Weight/power | 4.1 kg/HP | ||
| Fuel tank | 70-120 lt | ||
Results in WRC
Statistics
| 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006-2008 | 2009 | Total | ||
| Works | |||||||||||
| Races | 13/5 | 3/1 | 16/6 | ||||||||
| Entries/finishes | 30/24 | 6/5 | 36/29 (80.6%) | ||||||||
| Others | |||||||||||
| Races | +11 | 9 | 4 | 2 | 1 | 1 | 28 | ||||
| Entries/finishes | 1/1 | 33/17 | 11/5 | 7/2 | 2/1 | 1/0 | 1/0 | 56/26 (46.4%) | |||
| Total WRC results | |||||||||||
| Races | 13/5 | 14/1 | 9 | 4 | 2 | 1 | 1 | 44/6 | |||
| Entries/finishes | 31/25 | 39/22 | 11/5 | 7/2 | 2/1 | 1/0 | 1/0 | 92/55 (59.8%) | |||
| Total points | 168 | 58 | 226 (5.136 per race) (2.457 per entry) |
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Races
Works team: Subaru World Rally Team
Season
| Entry | Rally event | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | MC | SVE | KEN | POR | ESP | TdC | ARG | GRE | N.Z | FIN | CHI | S.R | AUS | RAC |
| Juha Kankkunen Juha Repo PRO.99.005 |
works | 2nd | 6th | eng ine | 1st | 4th | |||||||||
| Juha Kankkunen Juha Repo PRO.99.007 |
works | 6th | 6th | 2nd | |||||||||||
| Juha Kankkunen Juha Repo PRO.99.008 |
works | susp ens ion | 1st | susp ens ion | |||||||||||
| Juha Kankkunen Juha Repo PRO.99.004 |
works | 2nd | |||||||||||||
| Richard Burns Robert Reid PRO.99.003 |
works | 8th | |||||||||||||
| Richard Burns Robert Reid PRO.99.006 |
works | 5th | 4th | 2nd | |||||||||||
| Richard Burns Robert Reid PRO.99.009 |
works | 5th | 7th | 1st | 2nd | 1st | |||||||||
| Richard Burns Robert Reid PRO.99.010 |
works | gear box | 2nd | 1st | |||||||||||
| Richard Burns Robert Reid PRO.99.011 |
works | tran smi ssion | |||||||||||||
| Bruno Thiry Stéphane Prévot PRO.99.004 |
works | 5th | 10th | 6th | |||||||||||
| Bruno Thiry Stéphane Prévot PRO.99.008 |
works | 7th | acci dent | ||||||||||||
| Bertie Fisher Rory Kennedy PRO.99.001 |
21th | ||||||||||||||
| Total points () |
168 | 18 | 12 | 12 | 15 | 4 | 19 | 10 | 9 | 19 | 16 | 5 | 10 | 19 | |
| Statistics | |||||||||||||||
| Works starts/finishes | 30/24 | 3/3 | 3/3 | 3/2 | 3/3 | 2/1 | 2/2 | 2/1 | 2/1 | 2/2 | 2/2 | 2/1 | 2/1 | 2/2 | |
| Others starts/finishes | 1/1 | 1/1 | |||||||||||||
Source
Drawings
Source
Source
page revision: 71, last edited: 26 Mar 2019 21:05