Ford Focus Mk I RS WRC03
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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


See manual
Engine 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
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
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
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
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


2003 2004 2005 2006 2007 2008 2009 Total
Races 11/2 5/1 1 17/3
Entries/finishes 22/13 9/7 1/1 32/21 (65.6%)
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)


Works team:

  • works1: BP Ford World Rally Team (2005+)
  • works: Ford Motor Co (2003-2004)


2003 season competition
Entry Rally event
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
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

88_focus_03wrc.jpg Source
Francois Duval in New Zealand 2003


Ford_Focus_WRC_2003___Side.jpg Source
Ford_Focus_WRC_2003.jpg Source

Rear suspension

fordfocusWRCsuspension.gif Source
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