Lancia Beta Coupe 1.8 group 4 (1974)
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Home » Rally Cars » Lancia Beta Coupe 1.8 16V
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1974: Lancia Beta Coupe 1.8
1975: Lancia Beta Monte Carlo
1982: Lancia Rally 037
1984: Lancia Rally 037 Evo

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Specifications

Documentation Technique for street version
Group/Class 4/3 Homologation number: 3064
Years active 1974 - 1975 Homologation start: 28/2/1974
Engine
Type Fiat Twin Cam (Lambredi), Type 828 AC.1.000, straight 4cyl, 4 stroke, petrol engine located front transverse
Capacity 1839 cc WRC: 1839 cc
Bore x Stroke (mm) 86.0 x 79.2
Compression ratio 10.5:1
Output power - torgue 195 HP / 7700 rpm 22.4 kgm (220 Nm) / 5500 rpm
Main bearings 5 of 53mm diameter connecting rod length between centers 136mm, big end bearing internal diameter 50.8mm
Materials block: cast iron cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total. 2 coil springs per inlet/exhaust valve
Aspiration natural, 2 x dual Dellorto 48mm carburetors
Ignition electronic with rpm limiter, firing order 1-3-4-2
Cooling system watercooled 8.3 lt
Lubrication system wet sump 5 lt
Transmission
Type front wheel drive Colotti 5 speed gearbox
Gearbox ratios 1st: 3.500/1 (42/12)
2nd: 2.235/1 (38/17)
3rd: 1.522/1 (35/23)
4th: 1.152/1 (38/33)
5th: 0.925/1 (37/40)
R: 3.071/1 (43/14)
1st: 3.500/1 (42/12)
2nd: 2.467/1 (37/15)
3rd: 1.895/1 (36/19)
4th: 1.522/1 (35/23)
5th: 1.280/1 (32/25)
R: 3.071/1 (43/14)
Diffrential ratio 3.929/1 (55/14), 4.462/1 (58/13) helical gears 40% limited slip front differential
Clutch dry single disk, 215mm diameter
Chassis-body
Type steel monocoque 828 AC chassis with roll cage and front suspension subframe. 2 door coupe steel bodyshell and plastic wheel arches extensions
Front suspension mc pherson strut with lower wishbone, coil spring, telescopic gas shock absorber and anti-roll bar
Rear suspension mc pherson strut with one longitudinal and two transverse arms, coil spring, telescopic gas shock absorber and anti-roll bar
Steering system rack and pinion. 10/1975+: power assisted
Brakes front ventilated disks with 251mm disk diameter and 4 piston calipers. Rear ventilated disks with 251mm disk diameter and 2 piston calipers dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.995 m (157.3") width: 1.760 m (69.3") height: 1.285 m (50.6")
wheelbase: 2.350 m (92.5") front track: 1.470 m (57.9") with 7R13
1.520 m (59.8") with 9R13
rear track: 1.465 m (57.7") with 7R13
1.515 m (59.6") with 9R13
Rims - tires 7x13 (gravel), 9x13 (tarmac) 195/50VR13 (gravel), 235/50VR13 (tarmac)
Weight 960 kg
Weight/power 4.9 kg/HP
Fuel tank 60 lt

Results in WRC

Races

Works team:

  • works: Lancia Marlboro
  • works1: Lancia Alitalia
Click on tabs
Season
Entry Rally event
Driver
Codriver
Team POR KEN FIN S.R R.L P.R RAC TdC
Simo Lampinen
John Davenport
works excl uded 2nd 4th 10th
Mauro Pregliasco
Angelo Garzoglio
works eng ine engine mountings acci dent
Amilcare Ballestrieri
Geraint Phillips
works eng ine
Shekhar Mehta
Martin Holmes
4th
Total points
()
24 7 9 7 1
Statistics
Others starts/finishes 9/4 2/1 2/1 2/1 2/1 1/0

%252B1974%2B%2BSAN%2BREMO%2BS-METHA-M.HOLMES.jpg Source
Rallye San Remo '74: Shekhar Mehta
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lancia-beta-coupe-rallye_5.jpg Source

Drawings

lancia_beta_coupe_1980.jpg Source
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CAD

05348-12896.jpg Source
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