Citroen ZX 16S group A (1993)
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1992: Citroen ZX Volcane
1993: Citroen ZX 16S		 Development level
Kit car
Group A

Specifications

Group/Class A/7 Homologation number: A5468
Years active 1993-1995 Homologation start: 1/1/1993
Homologation end: 31/12/2002
Engine
Type PSA XU10 J4D/Z, straight 4cyl, 4 stroke, petrol engine located front transverse
Capacity 1998 cc WRC: 1998cc
Bore x Stroke (mm) 86.0 x 86.0
Compression ratio 11.0:1
Output power - torgue 210 HP / 6800 rpm 22.4 kgm (220 Nm) / 6500 rpm
Main bearings 5 of 60mm diameter connecting rod length between center 152mm, big end bearing diameter 53.7mm
Materials block: thin wall cast iron 302.8mm height, 93mm bore spacing cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers 131.6mm height
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total. 34.7mm inlet valves diameter, 29.7mm exhaust valves diameter. 25.5o angle between inlet valves and vertical, 24o angle between exhaust valves and vertical. 2 coil springs per inlet and exhaust valve
Aspiration natural, Bosch MP 3.2 fuel injection
Ignition electronic, 1-3-4-2 firing order
Cooling system watercooled 8.5 lt
Lubrication system wet sump with 1 oil cooler 5.4 lt
Transmission
Type front wheel drive 5 or 6 speed manual gearbox
Gearbox ratios 1st: 2.923/1 (38/13)
2nd: 1.850/1 (37/20)
3rd: 1.280/1 (32/25)
4th: 0.968/1 (31/32)
5th: 0.756/1 (28/37)
R: 3.333/1 (40/31 x 31/12)		 1st: 2.636/1 (29/11)
2nd: 2.083/1 (25/12)
3rd: 1.666/1 (25/15)
4th: 1.350/1 (27/20)
5th: 1.150/1 (23/20)
6th: 1.043/1 (24/23)
R: 3.333/1 (40/31 x 31/12)
Diffrential ratio from 3.429/1 (48/14) to 5.666/1 (68/12) helical gears limited slip front differential
Clutch dry single disk, 215mm diameter
Chassis-body
Type steel monocoque chassis with roll-cage. Front steel subframe. 3 door hatchback steel bodyshell with polypropylene bumbers
Front suspension macpherson strut with lower L wishbone, coil springs, telescopic gas shock absorbers and anti-roll bar
Rear suspension trailing arm with torsion bar, telescopic gas shock absorbers, anti-roll bar and passive rear wheel steering characteristics
Steering system rack and pinion with hydraulic power assistance 19.1/1, 16.7/1, 14.8/1
1994+: 12.6/1, 13.3/1, 14/1
Brakes front ventilated disks 266mm diameter with 1 cast iron piston caliper, or 278/300/330/356/376mm diameter with 4/2/8/12 aluminium piston calipers. Rear solid disks 247mm diameter with 1 cast iron piston caliper, or 247/265/280/300/330mm diameter with 4/2 aluminium piston calipers, or ventilated disks 247/260/280/300/310/330mm diameter with 4/2 aluminium piston calipers dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 4.085 m (160.8") width: 1.720 m (67.7") height: 1.375 m (54.1")
wheelbase: 2.560 m (100.8") front track: 1.440 m (56.7") rear track: 1.445 m (56.9")
Rims - tires 6 x 15" 195/55 R15
Weight 1000 kg
Fuel tank 60 lt
Drag coefficient 0.33

Results in WRC

Statistics

1993 1994 1995 1996 1997 1998 Total
Total WRC results
Races 1 2 3 3 2 3 14
Entries/finishes 2/1 2/1 3/1 6/2 4/1 3/1 20/7 (35%)

Races

Works team: -

Season

F2 classification noted in brackets
Entry Rally event
Driver
Codriver		 Team M.C SVE POR KEN T.dC GRE ARG N.Z FIN AUS S.R ESP RAC
Christine Driano
Marie-Christine Lallement		 13th (3rd)
Patrick Magaud
Guylène Brun		 dnf
Alain Pellerey
Daniel Pons		 dnf*
Statistics
Others starts/finishes 2/1 2/1

*Group N3 entries

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Citroen_ZX_Atlantico_1997.jpg Source
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Drawings

citroen-zx-3-door.gif Source
page revision: 72, last edited: 07 Oct 2019 17:13
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