Ford Focus Mk I RS WRC04
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Engine rebuild
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Source
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 (11/02 WR) |
Years active | 2004-2005 | Homologation start: 1/4/2004 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 |
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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 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: 380/315mm 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
2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Total | ||||
Works | |||||||||||
Races | 13/2 | 16 | 29/2 | ||||||||
Entries/finishes | 26/19 | 60/46 | 86/65 (75.6%) | ||||||||
Others | |||||||||||
Races/wins | 14 | 10 | 2 | 3 | 2 | 31 | |||||
Entries/finishes | 3/2 | 40/30 | 24/14 | 3/3 | 3/1 | 2/0 | 75/50 (66.7%) | ||||
Total WRC results | |||||||||||
Races/wins | 13/2 | 16 | 14 | 10 | 2 | 3 | 2 | 60/2 | |||
Entries/finishes | 29/19 | 63/48 | 40/30 | 24/14 | 3/3 | 3/1 | 2/0 | 161/115 (71.4%) | |||
Total points | 129 | 172 | 25 | 9 | 335 (5.583 per race) (2.081 per entry) |
Races
Works team:
- works1: BP Ford World Rally Team (2005+)
- works: Ford Motor Co (2004)
Season
Entry | Rally event | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Driver Codriver |
Team | MC | SVE | MEX | NZ | CY | GRE | TUR | ARG | FIN | DE | JAP | GB | ITA | FRA | ESP | AUS | |
Markko Märtin Michael Park |
works | 3rd | 2nd | acci dent | 24th | acci dent | 2nd | 3rd | 3rd | tur bo | eng ine | |||||||
Markko Märtin Michael Park WFOBXXGCDB4B80789 |
works | 4th | 1st | 1st | ||||||||||||||
François Duval Stéphane Prévot |
works | 18th | 4th | 5th | 3rd | 7th | 2nd | acci dent | 5th | 5th | eng ine | sus pen sion | 3rd | |||||
Janne Tuohino Jukka Aho |
works | 5th | ||||||||||||||||
Total points () |
129 | 8 | 9 | 7 | 6 | 8 | 19 | 16 | 8 | 14 | 6 | 10 | 10 | 8 | ||||
Statistics | ||||||||||||||||||
Works starts/finishes | 26/19 | 2/2 | 1/1 | 2/1 | 2/2 | 2/1 | 3/3 | 2/2 | 2/1 | 2/2 | 2/1 | 2/1 | 2/1 | 2/1 |
Source
Source
Drawings
SourceRear suspension
Sourcepage revision: 26, last edited: 25 May 2024 19:14