Volvo 142S group 2 (1968)

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Specifications
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| Homologation number | 5151 | 5208 | 5289 | 5314 | 5410 |
| Model | 144 S | 142 S B20 | 142 S | 142 S | 142/144 GL |
| Homologation start | 1/4/1967 | 1/1/1968 | 1/4/1969 | 1/1/1970 | 1/5/1971 |
| Homologation end | 1/1/1980 | 1/1/1980 | 1/1/1980 | 1/1/1982 | 1/1/1982 |
| Engine capacity | 1778 cc | 1986 cc | |||
| Years active | 1967-1980 | |||
| Engine | ||||
|---|---|---|---|---|
| Type | Volvo B18 and Volvo B20B or B20E, straight 4 cyl, 4 stroke, petrol engine | located front longitudinal | ||
| Capacity | 1778 cc, 1986 cc | WRC: 1778 cc, 1986 cc | ||
| Bore x Stroke (mm) | 1.8: 84.14 x 80.0 mm 2.0: 88.9 x 80.0 mm |
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| Compression ratio | 1.8: 10.0:1 2.0: 9.2:1 |
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| Output power - torgue | 1.8: 115 hp @ 6000 rpm 2.0: 118 HP @ 5800 rpm GL: 120 HP @ 6500 rpm |
1.8: 15,5 kgm @ 4000 rpm 2.0: 17.0 kgm @ 3000 rpm GL: 17 kgm @ 3500 rpm |
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| Main bearings | 5 of 63.45mm diameter, 54.1mm big end journals diameter | aluminium piston with 46mm Compression Height | ||
| Materials | block: cast iron | cylinderhead: cast iron | ||
| Cams/valves | side camshaft with overhead valves (OHV), gear driven | 2 valves / cyl - 8 valves total, 40 mm inlet valve diameter (44mm for GL), 35 mm exhaust valve diameter, single coil per valve | ||
| Aspiration | natural with 2 x SU HS-6 or Zennith/Stromberg 175 CD-2 SE (B20A) carburetors (click here), GL: Bosch multipoint D-jetronic electronic fuel injection (B20E) | |||
| Ignition | alternator 12 V, Firing order 1-3-4-2 | |||
| Cooling system | jacketed watercooled with pump, radiator, 335 mm diameter-4 blades fan and thermostat | 8.6 lt water capacity, GL: 10 lt | ||
| Lubrication system | wet sump | 3.75 lt oil capacity | ||
| Transmission | ||||
| Type | front wheel drive | Volvo M40 or M41, 4 speed manual gearbox. 1971, group 2: Volvo M400, 5 speed manual gearbox Volvo BW 35 automatic transmission |
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| Gearbox ratios | 1.8: constant: 1.641/1 1st: 3.61/1 (33/15) 2nd: 2.37/1 (28/20) 3rd: 1.70/1 (23/22) 4th: 1.00/1 M41 gearbox: electric overdrive 5th: 0.756/1 R: 3.25/1 (32/19) |
1.8: constant: 1.191/1 1st: 2.62/1 (33/15) 2nd: 1.67/1 (28/20) 3rd: 1.24/1 (23/22) 4th: 1.00/1 M41 gearbox: electric overdrive 5th: 0.756/1 R: 3.25/1 (32/19) |
2.0: constant: 1.423/1 1st: 3.13/1 (33/15) 2nd: 1.99/1 (28/20) 3rd: 1.36/1 (22/23) 4th: 1.00/1 M41 gearbox: electric overdrive 5th: 0.797/1 R: 3.25/1 (32/19) |
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| Diffrential ratio | M40: 4.10/1 (41/10), M41: 1.8: 4.56/1 (41/9), 2.0: 4.3/1 (43/10), 4.56/1 (41/9), 1.8 group 2 & all 2.0: 4.88/1 (39/8) |
Spicer/dana Powr lock, hypoid bevel gears limited slip rear differential | ||
| Clutch | dry single disc clutch, 216 mm diameter | |||
| Chassis-body | ||||
| Type | steel monocoque chassis with roll-cage, and front axle cross member sub-frame. 2 or 4 door saloon steel bodyshell with steel front and rear bumbers. Group 2: plastic front/rear bonnet and rear window | |||
| Front suspension | double unequal wishbones, coil springs, telescopic hydraulic shock absorbers, anti-roll bar | |||
| Rear suspension | live axle with double longitudinal radius arms, coil springs, telescopic hydraulic shock absorbers | |||
| Steering system | cam and roller | 4.1 turns lock to lock | ||
| Brakes | front solid disks 273mm diameter with 4 piston calipers 36mm front piston diameter, 1972: front ventilated discs D273x24mm, rear solid disks 295mm diameter with 2 piston calipers and 36mm piston diameter | dual circuit without vacuum servo | ||
| Dimensions | ||||
| length: 4.640 m (182.7") | width: 1.740 m (68.5") | height: 1.460 m (57.5") | ||
| wheelbase: 2600 mm (102.5") GL: 2620 mm (103.1") |
front track: 1350 mm (53.2") | rear track: 1350 mm (53.2") | ||
| Rims - tires | 4.5" x 15", GL: 5 x 15" | 165 SR 15" | ||
| Weight | 1070-1150 kg | |||
| Fuel tank | 58 lt | |||
Spark plugs
B 20 A
Bosch W 175 T 35
B 20 B (normal driving)
Bosch W 200 T 35
B 20 B (hard driving)
Bosch W 225 T 35
B 20 E
Bosch W 225 T 35
Results in WRC
Races
Works team: Oy Volvo-Auto Ab
Season
| Entry | Rally event | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | M.C | SVE Entry list |
S.R | KEN | A | GRE | RAC Entry list |
|||||||
| Jens Nielsen Henning Henriksen |
30th | ||||||||||||||
| Rolf Andersson Claes-Göran Andersson |
9th | ||||||||||||||
| Sören Skanse Lennart Persson |
dnf | ||||||||||||||
| Anders Lundberg Stig Andersson |
dnf | ||||||||||||||
| Axel Ekman Annika Ekman |
dnf | ||||||||||||||
| P.S.Iglebaek Terje Nygren |
dnf | ||||||||||||||
| Total points () |
2 | 2 | |||||||||||||
| Statistics | |||||||||||||||
| Others starts/finishes | 6/2 | 1/1 | 5/1 | ||||||||||||
SourceSven-Inge Neby in Swedish rally '77
Source
Source
Source
Source
Source
SourceEngine with Weber carburetors
Engine with SU carburetors
Drawings
SourceVolvo 144 (4 door)
Electrical diagrams
SourceB20A and B20B (carburetor)
SourceB20E (injection)
page revision: 159, last edited: 26 Dec 2019 15:48

