Ford Focus Mk I RS WRC03
 Source |
Develompent chain 1999: Ford Focus Mk I WRC99 2000: Ford Focus Mk I WRC00 2001: Ford Focus Mk I RS WRC01 2002: Ford Focus Mk I RS WRC02 2003: Ford Focus Mk I RS WRC03 2004: Ford Focus Mk I RS WRC04 2006: Ford Focus Mk II RS WRC06 2007: Ford Focus Mk II RS WRC07 2008: Ford Focus Mk II RS WRC08 2009: Ford Focus Mk II RS WRC09 |
Specifications
See manualEngine rebuild
| Group/Class | A/8 | Homologation number: A 5649 (02/01 WR) |
| Years active | 2003-2004 | Homologation start: 1/4/2003 Homologation end: 31/12/2011 |
| Engine | ||
| Type | Ford Zeta Turbo, straight 4cyl, 4 stroke, petrol engine | located front transverse |
| Capacity | 1995.5 cc | WRC: x 1.7 = 3392.35 cc |
| Bore x Stroke (mm) | 84.96 x 88.0 | |
| Compression ratio | 9.0:1 | |
| Output power - torgue | 300 HP / 6500 rpm | 56.1 kgm (550 Nm) / 4000 rpm |
| Main bearings | 5 | |
| Materials | block: aluminium alloy | cylinderhead: aluminium alloy |
| Cams/valves | dual overhead camshafts (DOHC), belt driven | 4 valves/cyl. - 16 valves total |
| Aspiration | Garrett/Allied Signal TR30R watercooled turbocharger (see below) with intercooler, 34mm turbo restrictor and catalytic converter fitted, Ford/Pectel T10 electronic fuel injection | |
| Ignition | Ford/Pectel T10 electronic, firing order 1-3-4-2 | |
| Cooling system | watercooled | |
| Lubrication system | oil cooler | |
| Transmission | ||
| Type | four wheel drive | X-trac 240 6-speed sequential, electro/hydraulically actuated using an electronic switch (joystick). It is located longitudinally behind the engine and in the center of the chassis |
| Gearbox ratios | 1st: /1 2nd: /1 3rd: /1 4th: /1 5th: /1 6th: /1 |
|
| Diffrential ratio | /1 | active/hydro-electronically controlled front and center differentials. Limited slip rear differential. 50%-50% F-R torque distribution. 2006+: Limited slip front differential |
| Clutch | dry carbon double disk | |
| Chassis-body | ||
| Type | steel monocoque C170 chassis with roll-cage. 3 door hatchback body, with extended wheel arches and aerodynamically enhanced front bumper and rear wing | |
| Front suspension | mac pherson strut with lower wishbones, coil springs and Reiger gas shock absorbers with separate gas tanks, cabin adjustable antiroll bar | |
| Rear suspension | mac pherson strut with longitudinal and transverse links, coil springs and Reiger gas shock absorbers with separate tanks, cabin adjustable antiroll bar. | |
| Steering system | rack and pinion power assisted | 2 turns lock to lock |
| Brakes | ventilated disks all around, tarmac: 370/315mm diameter front/rear with 8/4 piston calipers gravel: 300mm diameter with 4 piston calipers front/rear |
dual circuit with servo, adjustable ratio split front to rear |
| Dimensions | ||
| length: 4.422 m (174.1") | width: 1.770 m (69.7") | height: 1.380 m (54.3") |
| wheelbase: 2.615 m (103.0") | front track: 1.550 m (61.0") | rear track: 1.550 m (61.0") |
| Rims - tires | tarmac: 8" x 18", gravel: 7" x 15" | Michelin, tarmac: 225x630/18 |
| Weight | 1230 kg | 52%-48% front/rear distribution |
| Weight/power | 4.1 kg/HP | |
| Fuel tank | 100 lt | |
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
| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | Total | ||||
| Works | |||||||||||
| Races | 11/2 | 5/1 | 1 | 17/3 | |||||||
| Entries/finishes | 22/13 | 9/7 | 1/1 | 32/21 (65.6%) | |||||||
| Others | |||||||||||
| Races/wins | +4 | 5 | 2 | 3 | 1 | 15 | |||||
| Entries/finishes | 7/4 | 7/4 | 3/2 | 4/4 | 1/0 | 22/14 (63.6%) | |||||
| Total WRC results | |||||||||||
| Races/wins | 11/2 | 9/1 | 6 | 2 | 3 | 1 | 32/3 | ||||
| Entries/finishes | 22/13 | 16/11 | 8/5 | 3/2 | 4/4 | 1/0 | 54/35 (64.8%) | ||||
| Total points | 79 | 56 | 15 | 150 (4.688 per race) (2.778 per entry) |
|||||||
Races
Works team:
- works1: BP Ford World Rally Team (2005+)
- works: Ford Motor Co (2003-2004)
2003 season competition
| Entry | Rally event | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | MC | SVE | TUR | NZ | ARG | GRE | CY | DE | FIN | AUS | S.R | TdC | ESP | GB | |||
| Markko Märtin Michael Park |
works | eng ine | oil pres sure | 1st | oil pres sure | 5th | 1st | excl uded | 3rd | acci dent | 3rd | eng ine | ||||||
| François Duval Jean-Marc Fortin |
works | 9th | 8th | acci dent | oil pres sure | 7th | acci dent | 10th | 5th | 3rd | 4th | 5th | ||||||
| Total points () |
79 | 2 | 3 | 10 | 10 | 10 | 1 | 14 | 8 | 15 | 6 | |||||||
| Statistics | ||||||||||||||||||
| Works starts/finishes | 22/13 | 2/1 | 2/1 | 2/1 | 2/0 | 2/2 | 2/1 | 2/1 | 2/2 | 2/1 | 2/2 | 2/1 | ||||||
Article here
SourceFrancois Duval in New Zealand 2003
Drawings
Source
Source
Rear suspension
Source
page revision: 26, last edited: 24 Mar 2019 20:52