Volvo 142S group 2 (1968)
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Information here and here

Specifications

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Homologation Group 1
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
Compression ratio 1.8: 10.0:1
2.0: 9.2:1
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
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 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
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)
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

153.jpg Source
Sven-Inge Neby in Swedish rally '77
8522924217_f1bc814903_b.jpg Source
f0a28c257e1804b34c7bbf7fb869559c.jpg Source
volvo110-553ba34baf010.jpg Source
VOLVO142-2435_2.jpg Source
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volvo.jpeg Source
Engine with Weber carburetors
volvo-142-06.JPG Source
Engine with SU carburetors

Drawings

autowp.ru_volvo_144_2.jpg Source
Volvo 144 (4 door)

Electrical diagrams

pg39.jpg Source
B20A and B20B (carburetor)
pg39a.jpg Source
B20E (injection)
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