Chrysler Sunbeam Lotus group 2 (1979)
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Also called Talbot Sunbeam Lotus

Specifications

2308 units built
Owners club
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Click here and here for street version

Group/Class 4/4 or 2/4 or B Homologation number: 662, 1700 and transfer group B, B227
Years active 1979-1982 Homologation start: 1/4/1979, 1/1/1980, 1/12/1982
Homologation end: 1/1/1980, 31/12/1981, 31/12/1987
Engine
Type Lotus 911, straight 4 cyl, 4 stroke, petrol engine located front longitudinally with 45o inclination to the drivers side (LHD)
Capacity 2174 cc WRC: 2174 cc
Bore x Stroke (mm) 95.3 x 76.2
Compression ratio 11.3:1
Output power - torgue 245 HP @ 7000 rpm 256 Nm @ 6000 rpm
Main bearings forged steel cross plane crankshaft with 5 main bearings 63.5mm diameter, big end journal diameter 50.75mm connecting rod length between centers 139.7mm, big end journal diameter 54.5mm
Materials block: aluminium alloy with cast iron cylinder liners cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total. 35.6mm inlet valve diameter, 30.9mm exhaust valve diameter, 38o between inlet valve axis and exhaust valve axis. 1983: 38.5/34.9 in/ex valves diameter
Aspiration natural, 2 x Dellorto 45 DHLA Carburetors. 1983: 2 x Dellorto 48 DHLA Carburetors
Ignition electronic, firing order 1-3-4-2
Cooling system jacketed watercooled with pump, radiator, fan and thermostat
Lubrication system wet sump or dry sump with 1 oil cooler
Transmission
Type rear wheel drive ZF, 5 speed manual gearbox
Gearbox ratios constant: 1.259/1 (34/27)
1st: 3.42/1 (38/14)
2nd: 1.94/1 (37/24)
3rd: 1.39/1 (32/29)
4th: 1.00/1
5th: 0.79/1 (24/38)
R: 3.67/1 (32/11)		 constant: 0.968/1 (30/31)
1st: 2.30/1 (38/16)
2nd: 1.80/1 (39/21) or 1.60/1 (38/23)
3rd: 1.36/1 (35/25)
4th: 1.14/1 (33/28)
5th: 1.00/1
R: 2.82/1 (32/11)		 constant: 1.259/1 (34/27)
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 (25/36)
R: 3.67/1 (32/11)
Diffrential ratio 3.89/1 (35/9), 3.77/1 (49/13), 4.09/1 (45/11), 4.27/1 (47/11), 4.55/1 (50/11), 4.89/1 (44/9), 5.38/1 (43/8), 6.17/1 (37/6).
1980: 3.54/1 (39/11), 3.70/1 (37/10), 4.10/1 (37/9), 4.0/1 (32/8), 4.25/1 (34/8), 4.38/1 (35/8), 4.50/1 (36/8), 4.625/1 (37/8), 4.75/1 (38/8)		 hypoid spiral bevel gears limited slip rear differential
Clutch dry single plate
Chassis-body
Type steel monocoque chassis with front suspension cross-member sub-frame, roll-cage. 3 door steel hatchback bodyshell
Front suspension McPherson strut with coil spring, telescopic shock absorber and anti-roll bar
Rear suspension Live axle with 2 long radius arms and to 45o upper locating links, coil spring and telescopic shock absorber
Steering system rack and pinion (no servo) 17.65/1 ratio, 1983: 11.3/1 ratio, 2.3 turns lock to lock
Brakes front solid discs 249mm diameter with 2 piston calipers 54mm diameter, or ventilated discs 267mm diameter with 2 AP Monte Carlo piston calipers 38/43/50.8mm diameter or 254/264mm diameter with 4 piston calipers 35mm diameter and Mintex 1144 pads, rear drums 203mm diameter with 1 double piston caliper 19.1mm diameter, or solid discs 251/229mm diameter with AP 2 pot calipers 38mm diameter and Mintex pads. 1980: front ventilated discs 304mm diameter with 4 piston calipers 44.5mm diameter, rear ventilated discs 264mm diameter with 2 piston calipers 41.3/44.4/50.8mm diameter or 292mm diameter with 4 piston calipers 38.1mm diameter dual circuit with Girling type 38 vacuum servo, adjustable ratio split front to rear. 1982: Girling AHV 689 servo
Dimensions
length: 3830 mm (150.8") width: 1628 mm (64.1"), 1709mm with ext wheel-arches height: 1405 mm (55.3")
wheelbase: 2413 mm (95.0") front track: 1.335 m (52.6 in) rear track: 1.330 m (52.4 in)
Rims - tires 13", 15" Dunlop SP Sport moulded slicks for dry tarmac, or Yokohama A031 for wet tarmac/gravel 185/70 HR 13
Weight 1000 kg
Fuel tank 41, 55, 59 lt. group 4: 90 lt. 1980: 110 lt

Results in WSCC

Season
Car entry, chassis number Car number/ result
Day tona Seb ring Mug ello Monza River side Silver stone Nurb Le Mans Perg usa Watkins Glen Mos port Road Ame rica Brands Hatch
Team 24h 12h 6h 1000km 6h 6h 1000km 24h 6h 6h 6h 500mil 1000km
Kannacher GT Racing #66, dnt qualify
Statistics
Works Starts/finishes 1/0 1/0
Driver Team entries and car number
Kannacher GT Racing
Karl-Josef Römer 66
Matthias Lörper 66

Results in WRC

Races

Works team:

  • works: Talbot (1980-1981)
  • works2: Peugeot Talbot Sport (1982)
Season
Group 4
Entry Rally event
Driver
Codriver		 Team MC SVE
Entry list		 POR KEN GRE N.Z FIN C.Q S.R TdC
Entry list		 RAC
Entry list		 CdI
Tony Pond
Ian Grindrod		 Chrysler Competition Centre 4th acci dent
Jean-Pierre Nicolas
Jean Todt		 Talbot France eng ine acci dent
Reijo Heikkilä (1.6 TI)
Varpu Heikkilä-Kukkonen		 19th
Olof Wikström (1.6 TI)
Staffan Pettersson		 24th
Pauli Toivonen (1.6 TI)
Juhani Korhonen		 dnf
Heikki Enomaa (1.6 TI)
Jyrki Ahava		 dnf
Michele Cinotto (1.6 TI)
Riccardo Renna		 dnf
Gilbert Casanova (1.6 TI)
Gilbert Andreani		 dnf
Colin Mack (1.6 TI)
Keith Williams		 North Wales CC 25th
Stewart Robertson (1.6 TI)
Roger Anderson		 26th
Derek Martlew (1.6 TI)
Bill Stevenson		 31st
Deryck Pickup (1.6 TI)
Peter Bland		 37th
Paul Burch (1.6 TI)
Graham Marlow		 40th
John Potter (1.6 TI)
Brian Hughes		 50th
Chris Daisy (1.6 TI)
Mike Cockle		 dnf
Dan Margulies (1.6 TI)
Dave Morgan		 dnf
Total points
()		 7 7
Statistics
Others starts/finishes 5/1 2/1 2/0 1/0

Article L'AUTOMOBILE SPORTIVE / 06-03-2004

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Article from 4T 129, 6/1981

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page revision: 82, last edited: 09 Feb 2019 16:48
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