Ford Focus Mk I WRC99
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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
Change camshafts
Group/Class A/8 Homologation number: A 5596 (01/01 WR)
Years active 1999 Homologation start: 1/1/1999
Homologation end: 31/12/2011
Type Ford Zeta Turbo, straight 4cyl, 4 stroke, petrol engine located front transverse with 8o front inclination
Capacity 1990.4 cc WRC: x 1.7 = 3383.7 cc
Bore x Stroke (mm) 84.8 x 88.1
Compression ratio 9.0:1
Output power - torgue 300 HP / 6500 rpm 56.1 kgm (550 Nm) / 4000 rpm
Main bearings 5 of 58mm diameter connecting rod length between centers 137.85mm, big end bearings diameter 49.9mm
Materials block: cast iron, 214mm height cylinderhead: aluminium alloy, 131mm height
Cams/valves dual overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total. 33.2mm inlet valve diameter, 28.2mm exhaust valve diameter. 20o angle between inlet valve axis and vertical, 20o angle between exhaust valve axis and vertical. 1 coil spring per valve
Aspiration Garrett/Allied Signal TR30R 704998-44 (inconel turbine with 60mm diameter, aluminium compressor with 69.3mm diameter) turbocharger (see below) with air/water intercooler, 34mm turbo restrictor and catalytic converter fitted, Ford/Pectel T6 multipoint electronic fuel injection
Ignition Ford/Pectel T6 electronic, firing order 1-3-4-2
Cooling system watercooled 8 lt
Lubrication system wet sump with 1 oil cooler 4.35 lt
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: 3.000/1 (36/12)
2nd: 2.125/1 (34/16)
3rd: 1.611/1 (29/18)
4th: 1.316/1 (25/19)
5th: 1.118/1 (19/17)
6th: 0.960/1 (24/25)
R: 2.833/1 (34/15 x 15/12)
1st: 3.250/1 (39/12)
2nd: 2.333/1 (35/15)
3rd: 1.733/1 (26/15)
4th: 1.333/1 (28/21)
5th: 1.042/1 (25/24)
6th: 0.833/1 (20/24)
R: 2.833/1 (34/15 x 15/12)
2000+: 1st: 3.000/1 (36/12)
2nd: 2.143/1 (30/14)
3rd: 1.611/1 (29/18)
4th: 1.316/1 (25/19)
5th: 1.105/1 (21/19)
6th: 0.960/1 (24/25)
R: 2.833/1 (34/15 x 15/12)
Diffrential ratio front/rear: 5.349/1 (31/15 x 44/17)
engine transfer box: 1.056/1 (19/18)
engine bell housing: 0.800/1 (20/25), 0.840/1 (21/25), 0.875/1 (21/24), 0.917/1 (22/24), 0.893/1 (25/28)
2000+: 0.960/1 (24/25), 0.857/1 (24/28), 0.821/1 (23/28), 0.833/1 (20/24), 0.826/1 (19/23), 0.815/1 (22/27), 0.808/1 (21/26)
output from clutch to helical gears reducer (bell housing), then to bevel gears 1st transfer box (19/18), then to gearbox input primary shaft. 2 outputs from secondary gearbox's shaft, 1st to front differential housing with bevel gear transfer box (31/15) and helical gears active hydro/electronically controlled front differential (44/17), 2nd to active hydro/electronically controlled viscous coupler (center differential), and then to rear differential housing with bevel gear transfer box (31/15) and helical gears limited slip rear differential (44/17). 50%-50% F-R torque distribution
Clutch dry carbon double disk, 228mm diameter
Type steel monocoque C170 chassis with roll-cage. Front and rear tubular subframes with central pi panel for rear axle. 3 door hatchback steel bodyshell with polycarbonate bumpers, extended steel wheel arches and a rear top plastic spoiler
Front suspension mac pherson strut with lower L wishbone, coil springs, Reiger telescopic gas shock absorbers with separate gas tanks and cabin adjustable antiroll bar
Rear suspension mac pherson strut with lower wishbone, coil springs, Reiger telescopic gas shock absorbers with separate tanks and cabin adjustable antiroll bar.
Steering system rack and pinion with hydraulic power assistance 2 turns lock to lock
Brakes ventilated disks all around with 278-380mm diameter and 4/6/8 aluminium piston calipers.
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
length: 4.152 m (163.5") width: 1.770 m (69.7") height: 1.420 m (55.9")
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 55 - 100 lt
Drag coefficient 0.36

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


1999 Total
Total works WRC results
Races 14/2 14/2
Entries/finishes 31/13 31/13 (41.9%)
Total points 61 61
(4.357 per race)
(1.968 per entry)


Works team: Ford Motor Co

Entry Rally event
Colin McRae
Nicky Grist
works disq uali fied eng ine 1st 1st with drawn 4th susp ens ion gear box ele ctri cal eng ine susp ens ion acci dent acci dent acci dent
Simon Jean-Joseph
Fred Gallagher
works disq uali fied eng ine ele ctri cal 7th
Thomas Rådström
Fred Gallagher/ Gunnar Barth
works 3rd 6th eng ine acci dent tact ical susp ens ion 7th 6th
Petter Solberg
Fred Gallagher/ Phil Mills
works 5th 11th 12th* 27th 9th
Total points
61 8 16 10 7 5 4 4 7
Works starts/finishes 31/13 2/0 2/1 2/2 2/2 2/0 2/1 2/1 2/0 2/0 3/1 2/0 3/2 2/1 3/2

*Private entry

Article from 4T 351, 12/1999

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Rear suspension

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