Citroen AX Sport group A (1988)
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Specifications

Group/Class Α/5 Homologation number: A5347
Years active 1988 - 1991 Homologation start: 1/1/1988
Homologation end: 31/12/1995
Engine
Type PSA TU2 A, straight 4cyl, 4 stroke, petrol engine located front transverse with 6o front inclination
Capacity 1294 cc WRC: 1294 cc
Bore x Stroke (mm) 75.0 x 73.2
Compression ratio 11.3:1
12.0:1
Output power - torgue 127 HP / 7800 rpm
130 HP / 7500 rpm		 13.7 - 14.3 kgm (140 Nm) / 4000 rpm
Main bearings 5 of 50mm diameter connecting rod length between centers 112.3mm, big end internal diameter 48.6mm
Materials block: aluminium alloy, 187.4mm height cylinderhead: aluminium alloy 111.1mm height
Cams/valves 1 overhead camshaft (SOHC) belt driven 2 valves/1cyl. - 8 valves total. 39.5mm inlet valve diameter, 31.4mm exhaust valve diameter. 33o angle between valves axis, symmetrical to the vertical direction. 2 coil springs per valve
Aspiration natural, 2 x Solex 40 ADDHE dual barrel carburetors. 1989+: 2 x Weber DCOM 40 dual barrel carburetors
Ignition electronic, firing order 1-3-4-2 with Eyquem FC82LS-2 twin electrode spark plugs
Cooling system watercooled 4.8 lt
Lubrication system wet sump 3.5 lt
Transmission
Type front wheel drive 5 speed MA5 manual gearbox. 1991+, 6 speed manual gearbox
Gearbox ratios 1st: 3.416/1 (41/12)
2nd: 1.950/1 (39/20)
3rd: 1.357/1 (38/28)
4th: 1.054/1 (39/37)
5th: 0.854/1 (35/41)
R: 3.583/1 (43/12)		 1st: 3.416/1 (41/12)
2nd: 2.466/1 (37/15)
3rd: 1.826/1 (42/23)
4th: 1.500/1 (39/26)
5th: 1.321/1 (37/28)
R: 3.583/1 (43/12)		 1991+, 1st: 3.416/1 (41/12)
2nd: 2.357/1 (33/14)
3rd: 1.800/1 (36/20)
4th: 1.466/1 (44/30)
5th: 1.275/1 (37/29)
R: 3.583/1 (43/12)		 1991+, 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: 3.583/1 (43/12)
Diffrential ratio 4.284/1 (60/14), 4.769/1 (62/13), 4.063/1 (65/16), 3.938/1 (63/16), 3.765/1 (64/17), 3.444/1 (62/18).
1991+: 4.923/1 (64/13), 5.667/1 (68/12), 5.583/1 (67/12), 5.231/1 (68/13), 5.083/1 (61/12), 4.917/1 (59/12), 4.786/1 (67/14), 4.750/0 (57/12), 4.583/1 (57/12), 4.467/1 (67/15).
1992+: 5.500/1 (66/12), 5.417/1 (65/12), 5.385/1 (70/13), 5.308/1 (69/13)		 helical gears 40% limited slip front differential
Clutch dry, single disk 181.5mm diameter
Chassis
Type steel monocoque chassis with roll-cage. Front and rear steel subframes. 3 door steel hatchback bodyshell with plastic wheel fenders extensions, plastic rear top spoiler and plastic bumpers
Front suspension Mac pherson strut with lower L wishbone, coil springs, telescopic gas shock absorbers and 21mm diameter anti-roll bar
Rear suspension trailing arm with 19-21mm diameter torsion bars, telescopic gas shock absorbers and 19/25mm diameter anti-roll bar
Steering system rack and pinion 2.25 turns lock to lock. 18.8/1, 16.4/1, 14.6/1
Brakes front solid disks 238/258mm diameter with 1 aluminium piston caliper, or ventilated disks 247/260/278mm diameter with 4/1 aluminium piston calipers. Rear drums 165mm diameter, or solid disks 220/224/248mm diameter with 1/2 aluminium piston calipers.
1992+: front ventilated disks 304mm diameter with 4 aluminium piston calipers, rear solid disks 266mm diameter with 2 aluminium piston calipers		 dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.495 m (137.6 in) width: 1.600 m (63.0 in) height: 1.340m (52.8 in)
wheelbase: 2.285 m (90.0 in) front track: 1.420 m (55.9 in) rear track: 1.340 m (52.8 in)
Rims - tires 5.5" x 13 - 14" 175/60R 13, 165/70R 13
Weight 815 kg front 63.4% - rear 36.6%
Weight/power 6.3 kg/HP
Fuel tank 45 lt
Drag coefficient 0.33

Results in WRC

Races

Works team:
1988: Citroën Competition
1990-1992: Automobiles Citroën or Citroën Sport

Season

A/5 classification noted in brackets
Entry Rally event
Driver
Codriver		 Team M.C
Entry list		 SVE
Entry list		 POR KEN TdC GRE Oly (N.Z) ARG FIN (CdI) S.R RAC
Maurice Chomat
Gilles Thimonier		 works 12th (1st) 30th (2nd) 12th (2nd)
Dany Montagne
Jean Bourgoin		 works 30th (2nd) 19th (1st) dnf 22nd (2nd) 52nd (7th)
Denise Jacques
Jocelyn Muller		 works 75th (7th) 27th (2nd) acci dent 27th (4th) 79th (17th)
Rufino Fontes
Waldemar Guimarães		 works trans mission
Carole Vergnaud
Marie-Claude Jouan		 works acci dent acci dent 41th (5th)
Laurent Poggi
Jean-Paul Chiaroni		 works 11th (1st)
Massimo Ercolani
Gilles Thimonier		 works 18th (1st)
Terry Kaby
Kevin Gormley		 works 32nd (4th)
Jean-Michel Hupfert
Jean-Paul Poncet		 37th (3rd)
Jean-Jacques Fournier
Jean-Luc Fustier		 54th (4th)
Jean-Pierre Diebold 75th*
Roddier dnf
Grandvuinet dnf
Thierry Costeraste
Jean-Noël Dupouy		 59th*
Regis Achard
Jean-Pierre Coyret		 61st
Laurent Battut
Patrick Bourdiol		 dnf*
Arne Garvik
Berit Tanbjörn		 dnf
Pierre Detonils
Richard Fascina		 dnf
Jean-Michel Wolff
Francois Brouillard		 dnf*
Alain Pourrit
Jean-Claude Steck		 35th*
Paul Mariani
Louis Mariani		 27th (4th)
Jean-Pierre Diebold
Bruno Beaupellet		 30th*
Philippe le Behot
P Chevitte		 34th*
Franck Bondrille
Lionel Smerdjean/ Didier Le Coz		 37th (5th) 52nd
Bernard Maurel
Chantal Morgan		 40th (6th)
Raymond Serge
Franck Rocchetti		 dnf
Eric Bayol
Tardieu		 dnf
Carole Boniface
Verne		 dnf
Jean-Dominique Mattei
Eric Mattei		 dnf*
Claude Laurent
Jacques Briy		 dnf
Bernard Rippert
Sylvie Laborne		 69th (8th)
Jack Bouzige
Maïté Patoux		 dnf
Pekka Lehmustola
Markku Juntunen		 dnf*
Pierre Budar
Frédéric Arbogast		 dnf*
Pascal Génand
Philippe Rivière		 40th
Jean-Marc Dubois
Robert Moynier		 acci dent
Stephen Mouret
Benjamin Laroche		 82nd*
Peter Littler
Andy Carre		 stee ring
Miles Chamberlain
Jonathan Rawsthorne		 drive shaft*
Statistics
Works starts/finishes 20/15 3/3 1/1 4/2 4/2 4/3 4/4
Others starts/finishes 20/10 4/2 3/1 6/3 1/1 2/1 3/2 1/0

*Group N1 entries

Article from 4T 264, 9/1992

Click here

Article for group N and production

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Drawings

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Solex 40 ADDHE carburetor

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page revision: 179, last edited: 07 Oct 2019 04:34
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