Citroen Visa 1000 pistes 4x4 group B (1984)

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200 units built
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Group/Class B/10 Homologation number: B258 (04/01 ET)
Years active 1983-1984 Homologation start: 1/3/1984 (1/4/1984 for ET)
Homologation end: 31/12/1989
Type PSA-Renault XYR, straight 4 cyl, 4 stroke, petrol engine located front transverse with 72o rear inclination
Capacity 1360 cc
ET: 1434 cc
WRC: 1360 cc
ET: 1434 cc
Bore x Stroke (mm) 75.0 x 77.0, ET: 77.0 x 77.0
Compression ratio 9.5:1
Output power - torgue 93 hp @ 5800 rpm
ET: 145 HP @ 6500 rpm
12.4 kgm @ 4500 rpm
ET: 165 Nm /110 lb-ft @ 5500 rpm
Main bearings cast steel crankshaft with 5 main bearings 50mm journal diameter, big end bearing journal diameter 45mm connecting rod length between centers 126.8mm, big end bearing tunnel diameter 48.7mm
Materials block: aluminium alloy with steel "wet" cylinder liners cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves single overhead camshaft (SOHC), chain driven. Valves operation with rocker arms 2 valves/cyl. - 8 valves total. 39.5mm inlet valve diameter, 31.3mm exhaust valve diameter, 33o angle between inlet valve axis and exhaust valve axis.
ET: 41mm inlet valve diameter, 33mm exhaust valve diameter
Aspiration natural with 2 x Weber 40 DCOE carburetors, ET: 2 x Weber 45 DCOE carburetors
Ignition firing order 1-3-4-2 12V battery
Cooling system jacketed watercooled, with pump, radiator, fan and thermostat
Lubrication system wet sump
Type four wheel drive Citroen BV5, 5 speed manual gearbox, located below engine in parallel with crankshaft axis
Gearbox ratios constant: 1.259/1 (34/27),
1st: 3.883/1 (37/12)
2nd: 2.296/1 (31/17)
3rd: 1.501/1 (31/26)
4th: 1.124/1 (25/28)
5th: 0.904/1 (28/39)
R: 3.568/1 (34/12)
constant: 1.259/1 (34/27),
1st: 3.883/1 (37/12)
2nd: 2.612/1 (27/13)
3rd: 1.889/1 (24/16)
4th: 1.469/1 (21/18)
5th: 1.196/1 (19/20)
R: 3.568/1 (34/12)
Diffrential ratio 3.867/1 (58/15), 3.563/1 (57/16), 4.067/1 (61/15).
Front differential: 1/1 (17/17).
Rear differential: 1/1 (29/29)
gearbox output with parallel helical spur gears, spiral bevel gears front/rear differentials
Clutch dry, single disc
Type Citroen Visa GT's steel monocoque chassis with front steel subframe, and 23kg AZ5GT6 (D40x3.5mm), or 22kg AlZn4.5Mg1 (D40x3.5mm) roll cage. 5 door hatchback steel/plastic bodyshell with steel front/rear doors, steel front bonnet, steel/plastic rear bonnet, and plastic reinforced with fibre resine front/rear bumpers. ET: plastic reinforced with fibre resine front/rear doors and front/rear bonnets
Front suspension macpherson strut with lower transverse arm, longitutinal "Pi" shaped stabilizer bar, coil springs, and telescopic gas shock absorbers
Rear suspension trailing arms with "Λ" wishbones, coil springs, telescopic gas shock absorbers. ET: anti-roll bar
Steering system rack and pinion (no servo) 21.21/1, 13.2/1 ratio. ET: 15.9/1 ratio
Brakes front solid discs 241mm diameter with 1 cast iron piston caliper 48mm diameter. Rear solid discs 244.5mm diameter with 2 steel/aluminium piston calipers 38mm diameter.
Front solid disc 244.5mm diameter with 2 aluminium piston calipers 45mm diameter, or ventilated discs 244.5mm diameter with 2 aluminium piston calipers 45mm diameter
dual circuit with DBA vacuum servo. Optional no servo. 1983 ET: brakes regulator
length: 3.725 m (146.7") width: 1.540 m (60.6")
ET: 1.590 m (62.6")
height: 1.370 m (53.9")
wheelbase: 2.436 m (95.5") front track: 1330 m (52.4") rear track: 1320 m (52.0")
Rims - tires 6 x 13" 175/70HR13", 190/55 HR 340
Weight 850 kg
Fuel tank 55 lt
Drag coefficient 0.4 frontal area: 1.8 m2

Results in WRC



Works team: Citroën Compétitions

Entry Rally event
Christian Blanchi (4x4)
G Perraquetti
Others starts/finishes 1/1 1/1

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