Citroen Xsara II WRC (2001)
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150952.jpg Source Development chain
1995: Citroen ZX Kit Car
1998: Citroen Xsara I Kit Car
2001: Citroen Xsara II WRC

Also Called Citroen Xsara T4 WRC
Οδηγώντας με τον Sebastian Loeb: δείτε το video

Specifications

32 units built
Xsara I T4: 4 units built (chassis 1-4) on 2000
Xsara II WRC: 28+4=32 units built, 2002-2006 (all T4 were converted to WRC)

Group/Class A/8 Homologation number: A5626 (01/01 WR, 09/02 WR, 17/03 WR, 28/04 WR-1/4/2004 and 45/05 WR-1/3/2006)
Years active 2001 - 2006 Homologation start: 1/3/2001
Homologation end: 31/12/2013
Engine
Type PSA XU7JP4 straight 4cyl, 4 stroke, petrol engine located front transverse with 30o rear inclination
Capacity 1993.6cc, 1/4/2004+: 1998 cc WRC: x 1.7 = 3392cc, 1/4/2004+: 3396.6 cc
Bore x Stroke (mm) 86.0 x 85.8, 2004+: 85.5 x 87.0
Compression ratio 9.0:1
Output power - torgue 300 - 315 HP / 5500 rpm 54.0 kgm (530 Nm), 58.0 kgm (569 Nm) / 2750 rpm
Main bearings 5 main bearings 56mm diameter connecting rod length between centers 147.75mm, 49mm big end tunnel diameter, aluminium alloy piston with 33.85mm compression height
Materials block: aluminium alloy, 302.8mm height cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers, 137mm height
Cams/valves dual overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total, 34.6mm inlet valve diameter, 31.3mm exhaust valve diameter. 24.5o angle between inlet valve axis and vertical, 23o angle between exhaust valve axis and vertical
Aspiration Garrett/Allied Signal TR30R watercooled turbocharger (9 blades steel turbine 52/60mm in/out diameter, 5+5 aluminium alloy compressor 46.6/69.1mm in/out diameter), air/air intercooler with 4 nozzle water injection and 10.5 lt water tank, 34mm turbo restrictor and catalytic converter fitted. Magnetti Marelli MR3 electronic fuel MPI, Fly-by-wire accelerator
Ignition Magnetti Marelli electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 320mm diameter fan and thermostat 9 lt
Lubrication system wet sump with oil cooler 5.4 lt
Transmission
Type four wheel drive X-trac 6-speed sequential shift, longitudinally mounted
Gearbox ratios dog, 1st: 3.083/1 (37/12)
2nd: 2.357/1 (33/14)
3rd: 1.867/1 (28/15)
4th: 1.526/1 (29/19)
5th: 1.278/1 (23/18)
6th: 1.087/1 (25/23)
R: 2.538/1 (33/23x23/13)		 dog, 1st: 3.166/1 (38/12)
2nd: 2.428/1 (34/14)
3rd: 1.867/1 (28/15)
4th: 1.500/1 (30/20)
5th: 1.210/1 (23/19)
6th: 1.000/1 (24/24)
R: 2.538/1 (33/23x23/13)
Diffrential ratio /1 active/hydro-electronically controlled front, rear and center differentials. 50%-50% F-R torque distribution.
2006+: Limited slip front and rear differential
Clutch dry single disc 215mm diameter, or carbon triple disc, 140mm diameter
Chassis-body
Type steel monocoque Citroen T4 chassis, 40kg 15CDV6 steel (D40x1.5 and D40x1mm) roll-cage. 3 door hatchback steel bodyshell with extended wheel arches and a rear plastic airofoil
Front suspension McPherson struts with lower wishbone, coil springs, telescopic gas shock absorbers and cabin adjustable anti-roll bar
Rear suspension McPherson struts with lower wishbone, coil springs, telescopic gas shock absorbers and cabin adjustable anti-roll bar
Steering system rack and pinion power assisted
Brakes ventilated disks front/rear, front 380mm diameter with 6 piston calipers, rear 304mm diameter with 4 piston calipers dual circuit with servo
Dimensions
length: 4.167 m (164.1") width: 1.770 m (69.7") height: 1.390 m (54.7")
wheelbase: 2.550 m (100.4") front track: 1.568 m (61.7") rear track: 1.568 m (61.7")
Rims - tires 6 x 15", tarmac: 8" x 18", gravel: 7" x 15" Michelin 20/65-18
Weight 1230 kg
Weight/power 4.1 kg/HP
Fuel tank 54 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

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Total
Works
Races/wins 4/1 8/1 14/4 16/7 16/11 58/24
Entries/finishes 9/4 19/10 48/39 31/28 32/26 139/107 (77%)
Others
Races +3 16/8 16 2 8 1 46/8
Entries/finishes 5/4 2/0 19/16 49/42 28/21 2/1 8/5 1/1 114/90 (78.9%)
Total WRC results
Races/wins 4/1 11/1 14/4 16/7 16/11 16/8 16 2 8 1 104/32
Entries/finishes 9/4 24/14 48/39 33/28 51/42 49/42 28/21 2/1 8/5 1/1 253/197 (77.9%)
Total points 27 65 236 225 259 263 73 35 1183
(11.375 per race)
(4.676 per entry)

Races

Works team:

  • works1: Automobiles Citroën (2001-2002)
  • works: Citroën Total (2003-2005)
Season
Entry Rally event
Driver
Codriver		 Team MC SVE POR ESP ARG CY GRE KEN FIN NZ S.R TdC AUS RAC
Philippe Bugalski
Jean-Paul Chiaroni
6		 works1 8th fuel pres sure
Philippe Bugalski
Jean-Paul Chiaroni
8		 works1 6th
Philippe Bugalski
Jean-Paul Chiaroni
11		 works1 acci dent
Jesús Puras
Marc Martí
7		 works1 fuel pres sure wheel
Jesús Puras
Marc Martí
12		 works1 1st
Thomas Rådström
Tina Thörner
10		 works1 ele ctri cal
Sébastien Loeb
Daniel Elena
9		 works1 2nd
Total points
()		 27 3 5 9 10
Statistics
Works starts/finishes 9/4 2/1 2/1 3/1 2/1
r11_0710200217_xsara.jpg Source

Information and articles

Article from 4T 368, 5/2001

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Drawings

citroen_xsara_wrc_2003.jpg Source
page revision: 68, last edited: 06 May 2019 04:33
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