Citroen Visa 1000 pistes 4x4 group B (1984)
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Specifications
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 |
|
| Engine | |||
|---|---|---|---|
| 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 | ||
| Transmission | |||
| 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 | ||
| Chassis-body | |||
| 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 | |
| Dimensions | |||
| 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
Statistics
Races
Works team: Citroën Compétitions
Source
page revision: 52, last edited: 14 Dec 2019 11:28