Opel Kadett B Rally group 2 (1967)
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OPEL-KADETT-7.jpg Source Development chain
1967: Opel Kadett B
1975: Opel Kadett C GT/E
1978: Opel Kadett C2 GT/E
1982: Opel Kadett D GT/E
1984: Opel Kadett E 1.8 GSi
1987: Opel Kadett E 2.0 GSi
1988: Opel Kadett E GSi 16V
1992: Opel Astra F GSI 16V

Specifications

143000 units built, all 1.9 lt versions
Click here and here and here and here for street version

Group/Class 2 Homologation number: 1502 and 5209 (LS) and 5244 and 5362
Years active 1968-1972 Homologation start: 1/1/1968 and 1/3/1968 and 1/11/1968 and 1/6/1970
Engine
Type Opel CIH 19S, straight 4cyl, 4 stroke. Click here
1971+: CIH 19HL		 located front longitudinal
Capacity 1897 cc WRC: 1897 cc
Bore x Stroke (mm) 93.0 x 69.8
Compression ratio 9.0-9.5:1
Output power - torgue 90 HP @ 5100 rpm
160 HP @ 7000 rpm		 20.9 kgm (205 Nm) @ 6000 rpm
14.9 kgm @ 2500-3100 rpm
Main bearings forged steel crankshaft with 5 main bearings 62mm diameter forged steel connecting rod length between centers 128mm, big end bearing internal diameter 52mm, aluminium alloy piston with 45 mm compression height
Materials block: grey cast iron, 208mm deck height cylinderhead: reverse-flow cast iron "wedge" shaped combustion chambers
Cams/valves single overhead camshaft (SOHC) located between valves (not above), also called cam in head (CIH), chain driven. Operation with rocker arms and cam followers.
1970, group 4: SOHC located above valves		 2 valves/cyl. - 8 valves total. 40mm inlet valve diameter, 34mm exhaust valve diameter. 25o angle between inlet/exhaust valves axis and vertical (inlet and exhaust valves are parallel)
Aspiration natural, 1 x Solex 32 DIDTA-4 carburetor. 1969+: 1 x Weber 40 DFO carburetor
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, 320 mm diameter-5 blades fan and thermostat 5.7 lt
Lubrication system wet or dry sump 5.3 lt (3.3 lt for wet sump)
Transmission
Type front wheel drive 4 speed manual gearbox
Gearbox ratios constant: 1.4375/1 (23/16)
1st: 3.428/1 (31/13)
2nd: 2.156/1 (24/16)
3rd: 1.366/1 (19/20)
4th: 1.000/1
R: 3.317/1 (18/13 x 30/18)		 1970: constant: 1.167/1 (22/17)
1st: 3.09/1 (31/13)
2nd: 1.75/1 (23/17)
3rd: 1.23/1 (19/20)
4th: 1.000/1
R: 2.99/1 (18/13 x 30/18)		 1970: constant: 1.167/1 (21/18)
1st: 2.87/1 (32/13)
2nd: 1.75/1 (24/16)
3rd: 1.29/1 (21/19)
4th: 1.000/1
R: 2.69/1 (19/13 x 30/19)		 1971: ZF S5-18/3. Constant: 0.794/1 (27/34)
1st: 2.99/1 (38/16)
2nd: 1.76/1 (35/25)
3rd: 1.30/1 (31/30)
4th: 1.00/1
5th: 0.87/1 (27/34)
R: 3.64/1
Diffrential ratio 3.667/1 (33/9), 3.889/1 (35/9), 4.22/1 (38/9) bevel gear limited slip rear differential
Clutch dry single disc clutch, 204 mm diameter, 1971: 216/230 mm diameter
Chassis-body
Type steel monocoque chassis with roll-cage, with front subframe. 2 door salon steel bodyshell with steel front and rear bumbers
Front suspension wishbone with transverse Semi-elliptic leaf springs, telescopic hydraulic shock absorbers, anti-roll bar
Rear suspension live axle with 2 lower radius arms, panhard rod, coil springs and telescopic hydraulic shock absorbers
Steering system rack and pinion (no servo) 3 turns lock to lock
Brakes front solid disks 238x11mm diameter with 2 piston calipers 45mm diameter, rear drums 230 mm diameter with 1 double piston caliper 15.9mm diameter, 1970: front ventilated discs 22 mm wide
1971: front ventilated disc 268x21mm and aluminium piston calipers		 dual circuit with Mastervac 51 vacuum servo
Dimensions
length: 4.182m (164.6") width: 1.573 m (61.9"), 1970: +100 mm height: 1.405 m (55.3")
wheelbase: 2416 mm (95.1") front track: 1252 mm (49.3")
1320 mm (52.0")		 rear track: 1276 mm (50.2")
1325 mm (52.2")
Rims - tires 5J x 13", 5.5J x 13" 155 SR 13"
Weight 810-860 kg
Fuel tank 40 or 65 or 70 lt
Drag coefficient 0.47

Results in WRC

Races

Works team: Opel Rally Team

Season
Entry Rally event
Driver
Codriver		 Team M.C SVE
Entry list		 S.R KEN A GRE RAC
Entry list
Lillebror Nasenius
Björn Cederberg		 works 3rd 3rd
Gunnar Blomqvist
Ingelöv Blomqvist		 works 4th drive shaft
Anders Kulläng
Donald Karlsson		 works 7th dnf
Ove Eriksson
Hans Johansson		 works clutch 2nd
Jan Henriksson
Lars-Erik Carlström		 works dnf 4th
Jean Ragnotti
Pierre Thimonier		 11th
Emil Vogt
Wolf Rudiger Zink		 39th
Claes Bilstam
Claes Uddgren - Hans Johansson		 dnf dnf
Frohlich
Frohlich		 dnf
Bertil Johansson
Roland Edvardsson		 dnf
Peter Rumpfkeil
Bohne		 dnf
Rune-Val Aksmar
Odvar Schioll		 dnf
Bror Danielsson
Sven-Erik Johansson		 13th
Rune Åhlin
Gunnar Stålgren		 14th
Mats Andersson
Håkan Bäckman		 17th
Kurt Larsson
Nils-O. Jonsson		 19th
Curt Bengtsson
Bengt Bengtsson		 24th
Hans Britth
Bo Eklund		 28th
Sylvia Österberg
Ingemar Österberg		 head gasket
Lars-I Ytterbring
Ragnvald Håkansson		 dnf
Per-Göran Flyckt
Åke Granlund		 dnf
Willy Ericsson
Rune Ericsson		 dnf
Stig-Arne Holmberg
Mats Lundgren		 dnf
Jan Svensson
Hans Thorszelius		 dnf
Tommy Sjödin
Staffan Skogman		 dnf
Kent Rang
Jan-Olof Bohlin		 dnf
Rolf Olzon
Bo Nilsson		 dnf
Leif Strömberg
Staffan Jonsson		 dnf
Jan-Erik Karlsson
Riber Gustavsson		 dnf
Valter Höglund
Åke Larsson		 dnf
Uno Josefsson
Alf Leijon		 dnf
Sune Danielsson
Leif Lundkvist		 dnf
Bengt Brant
Sture Kälvered		 dnf
Karl-G Boström
Willy Andersson		 dnf
Dick Berg
Christer Strömberg		 dnf
Peder Werner
Jerry Torpfeldt		 dnf
Lars Söderström
Agne Nordlund		 dnf
Lars Skoglund
Björn Skoglund		 dnf
Rinaudo
Carpegna		 dnf*
'Siroco'
Miltos Andriopoulos		 7th
John Church
Tony Johnstone		 31st
Leif Persson (Rallye Sprint)
Fergus Sager		 dnf
Total points
()		 47 19 4 24
Statistics
Works starts/finishes 10/6 5/3 5/3
Others starts/finishes 36/10 7/2 25/6 1/0 1/1 2/1

*Group 1 entries

23aa155055d825c99992a7bf88eeda05.jpg Source
Ove Eriksson in Swedish rally '71

Drawings

opel-kadett-b-coupe-1970.gif Source

Engine

Opel_CIH_Engine_3.jpg Source
page revision: 141, last edited: 26 Dec 2019 15:56
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