Fiat 131 Mirafiori group 2 (1976)
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Source
Specifications
Click here for 131 Racing
Homologation number: 5726 for 131 Racing
Homologation start: 2/10/1978
Homologation end: 1/1/1982
Homologation number: 5669 for 1.8 lt
Homologation start: 1/10/1977
Homologation end: 31/12/1981
| Group/Class | 2/2 | Homologation number: 5608 and transfer group A, 5725 | ||
| Years active | 1976-1981 | Homologation start: 2/10/1975 and 1/10/1978 Homologation end: 1/1/1982 and 31/12/1981 |
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| Engine | ||||
|---|---|---|---|---|
| Type | Fiat 124 series OHV 131A1.000, straight 4 cyl, 4 stroke, petrol engine. 1977, Supermirafiori Fiat Twin Cam (Lambredi) |
located front longitudinal | ||
| Capacity | 1585 cc | WRC: 1585 cc | ||
| Bore x Stroke (mm) | 84.0 x 71.5 | |||
| Compression ratio | 9.2:1 | |||
| Output power - torgue | 75 HP @ 5500 rpm | 12.5 kgm @ 3000 rpm | ||
| Main bearings | forged steel crankshaft with 5 main bearings 53mm main journal diameter, and 48.2 mm big end journal diameter | connecting rod length center to center 128.5mm, alluminium alloy piston with 38.45mm compression height | ||
| Materials | block: cast iron, 203mm deck height | cylinderhead: reverse flow aluminium alloy with "oval" hemispherical combustion chambers and vertical valves | ||
| Cams/valves | 1 side camshaft with overhead valves (OHV), belt driven | 2 valves/cyl. - 8 valves total. 34.5mm inlet valves diameter, 33.65mm exhaust valves diameter. 2 coil springs per valve | ||
| Aspiration | natural, 1 x Weber 32 ADF 3/200 carburetor. 1976: 1 x Weber 32 ADF 7/200 or Solex C32 TEIE/42 carburetor | |||
| Ignition | with contact breakers electronic, firing order 1-3-4-2 | 12V battery | ||
| Cooling system | jacketed watercooled with pump, radiator, 280 mm diameter-4 blades fan and thermostat | 7.6 lt | ||
| Lubrication system | wet sump | 4 lt | ||
| Transmission | ||||
| Type | rear wheel drive | 4 or 5-speed manual gearbox | ||
| Gearbox ratios | constant: 1.269/1 (33/26) 1st: 3.612/1 (37/13) 2nd: 2.045/1 (29/18) 3rd: 1.357/1 (31/29) 4th: 1.000/1 (-) with or without 5th: 0.870/1 (24/35) R: 3.244/1 (46/18) |
constant: 1.185/1 (32/27) 1st: 3.373/1 (37/13) 2nd: 1.909/1 (29/18) 3rd: 1.267/1 (31/29) 4th: 1.000/1 (-) 5th: 0.813/1 (24/35) R: 3.029/1 (46/18) |
1976: constant: 1.555/1 (28/18) 1st: 3.667/1 (33/14) 2nd: 2.100/1 (27/20) 3rd: 1.361/1 (21/24) 4th: 1.000/1 (-) R: 3.526/1 (34/15) |
1976: constant: 1.222/1 (33/27) 1st: 2.66/1 (37/17) 2nd: 1.865/1 (29/19) 3rd: 1.353/1 (31/28) 4th: 1.000/1 (-) 5th: 0.838/1 (24/35) R: 3.123/1 (46/18) |
| Diffrential ratio | 4.10/1 (41/10), 3.90/1 (39/10) | hypoid spiral bevel gears rear differential | ||
| Clutch | dry single plate, 200 or 215mm diameter | |||
| Chassis-body | ||||
| Type | steel monocoque 131A1/2 chassis with roll-cage. 2 or 4 door saloon steel bodyshell with plastic extended wheel arches and front/rear spoilers | |||
| Front suspension | McPherson strut with lower transverse arm and stabilizer, progressive coil springs and telescopic shock absorbers | |||
| Rear suspension | live axle with 2 long longitudinal radius links, 2 upper small 30o locating arms, panhard rod and coil springs | |||
| Steering system | rack and pinion (no servo) | 3.4 turns lock to lock | ||
| Brakes | front solid discs 227mm diameter with 1 piston caliper 48mm diameter, rear drums 228mm diameter with 1 double piston caliper 22.3 mm diameter | dual circuit with vacuum servo, 1979, group 2: pressure regulator | ||
| Dimensions | ||||
| length: 4.238 m (166.9") | width: 1.632 m (64.3") | height: 1.400 m (55.1") | ||
| wheelbase: 2.490 m (98.0") | front track: 1.372 m (54") | rear track: 1.315 m (51.8") | ||
| Rims - tires | 4.5" x 13". 1977: 5J x 13" | |||
| Weight | 870-930 kg | 50/50% front to rear distribution | ||
| Fuel tank | 50 lt | |||
Results in WSCC
Season
Fiat 131 Racing 2.0
Fiat 131 Racing 2.0
| Car entry | Car number/ result | |||||||||||||
| Daytona | Brands Hatch | Mugello | Monza | Silver stone | Nurb | Le Mans | Watkins Glen | Mosport | Valle lunga | Dijon | ||||
| Team | 24h | 6h | 6h | 1000km | 6h | 6h | 24h | 6h | 6h | 6h | 1000km | |||
| East Belgian Racing Team ASBL | #92, in entry list | |||||||||||||
| Statistics | ||||||||||||||
| Works Starts/finishes 0/0 | ||||||||||||||
| Driver | Team entries and car number | |||||||||||||
| East Belgian Racing Team ASBL | ||||||||||||||
| Léon Clohse | 92 | |||||||||||||
| Emmanuel Remion | 92 | |||||||||||||
| Alexandre Hüweler | 92 | |||||||||||||
Results in WRC
Races
Season
| Entry | Rally event | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | MC | SVE Entry list |
POR | KEN | GRE | MAR | FIN | S.R | TdC | RAC | |||||
| Gear El-Nak |
dnf* | |||||||||||||||
| Statistics | ||||||||||||||||
| Others starts/finishes | 1/0 | 1/0 | ||||||||||||||
*Group 1 entries
page revision: 17, last edited: 07 Jul 2019 09:05