Suzuki SX4 WRC (2007)

Home » Rally Cars » Suzuki SX4 WRC

Source

Specifications

13 units built

Group/Class	A/8	Homologation number: A5712 (03/01 WR)
Years active	2007-2008	Homologation start: 1/10/2007 Homologation end: 31/12/2014
Engine
Type	J20 straight 4cyl, 4 stroke, petrol engine	located front transverse
Capacity	1997.3 cc	WRC: x 1.7 = 3395.3 cc
Bore x Stroke (mm)	84.0 x 90.1
Compression ratio	9.0:1
Output power - torgue	320 HP / 4000 rpm	60.1 kgm (590 Nm) / 3500 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, anti-lag system and catalytic converter fitted. Electronic fuel injection
Ignition	electronic, firing order 1-3-4-2
Cooling system	watercooled
Lubrication system
Transmission
Type	four wheel drive	5-speed sequential, electro/hydraulically actuated using an electronic switch (joystick)
Gearbox ratios	1st: /1 2nd: /1 3rd: /1 4th: /1 5th: /1
Diffrential ratio	/1	active/hydro-electronically controlled center differential. Limited slip front and rear differential. 50%-50% F-R torque distribution
Clutch	dry Carbon Fiber Triple-Disc
Chassis-body
Type	steel monocoque chassis with roll cage. 5 door hatchback bodyshell with extended wheel arches and carbon fibre body panels and a rear airofoil
Front suspension	mac pherson strut with lower wishbones, coil springs, Reiger telescopic gas shock absorbers with separate gas tanksa and antiroll bar
Rear suspension	mac pherson strut, coil springs, Reiger telescopic gas shock absorbers with separate tanks and antiroll bar
Steering system	rack and pinion power assisted
Brakes	ventilated disks all around, tarmac: front disk diameter 370mm with 8 piston calipers, rear disk diameter 355mm with 8 piston calipers gravel: 300mm diameter with 4 piston calipers front/rear	dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.135 m (162.8")	width: 1.770 m (69.7")	height: 1.450 m (57.1")
wheelbase: 2.500 m (98.4")	front track:	rear track:
Rims - tires	tarmac: 8" x 18", gravel: 7" x 15"	Pirelli, 17/65-15, 235/40 - 18
Weight	1230 kg
Weight/power	4.1 kg/HP
Fuel tank

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

	2007	2008	Total
Total works WRC results
Races/wins	2	15	17
Entries/finishes	2/2	30/19	32/21 (65.6%)
Total points	0	45	1 (2.647 per race) (1.406 per entry)

Races

Works team: Suzuki World Rally Team

2007Season

Entry		Rally event
Driver Codriver	Team	MON	SVE	NOR	MEX	POR	ARG	ITA	GRE	FIN	DE	N.Z	ESP	TdC	JAP	IR	GB
Nicolas Bernardi Jean-Marc Fortin 7	works													31st
Sebastian Lindholm Tomi Tuominen 7	works																27th
Statistics
Works Starts/finishes	2/2													1/1			1/1

2008Season

Entry		Rally event
Driver Codriver	Team	MON	SVE	MEX	ARG	JOR	ITA	GRE	TUR	FIN	DE	NZ	ESP	TdC	JAP	GB
Per-Gunnar Andersson Jonas Andersson 9	works	8th	head gas ket			mecha nical	9th	11th	ele ctri cal
Per-Gunnar Andersson Jonas Andersson 6	works			eng ine	24th						15th	6th			5th
Per-Gunnar Andersson Jonas Andersson 12	works									acci dent
Per-Gunnar Andersson Jonas Andersson 7	works												32nd	17th		5th
Toni Gardemeister Tomi Tuominen 8	works	eng ine	7th			mecha nical	ele ctri cal	9th
Toni Gardemeister Tomi Tuominen 5	works			eng ine	power stee ring				eng ine
Toni Gardemeister Tomi Tuominen 11	works									8th		7th			6th
Toni Gardemeister Tomi Tuominen 13	works										10th		13th	13th		7th
Total points ()	45	3	4				2	2		3	1	9			11	10
Statistics
Works Starts/finishes	30/19	2/1	2/1	2/0	2/1	2/0	2/1	2/2	2/0	2/1	2/2	2/2	2/2	2/2	2/2	2/2

---

Source
Per-Gunnar Andersson in Japan rally '08

Drawings

Source