Ford Focus Mk I WRC99

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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 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
Engine
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
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: 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
Chassis-body
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
Dimensions
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.

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Results in WRC

Statistics

	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)

Races

Works team: Ford Motor Co

1999Season

Entry		Rally event
Driver Codriver	Team	MC	SVE	KEN	POR	ESP	TdC	ARG	GRE	N.Z	FIN	CHI	S.R	AUS	RAC
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
Statistics
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

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Article from 4T 351, 12/1999

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Drawings

Transmission

Source

Rear suspension

Source