Lancia Rally 037 Evoluzione group B (1984)

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Development chain 1974: Lancia Beta Coupe 1976: Lancia Beta Monte Carlo 1983: Lancia Rally 037 1984: Lancia Rally 037 Evo |
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On board: see video
Racing: see video
Specifications
Group/Class | B/12 | Homologation number: B210 (21/02 ET) | |
Years active | 1984 - 1986 | Homologation start: 1/1/1984 Homologation start: 31/12/1990 |
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Engine | |||
---|---|---|---|
Type | Fiat Twin Cam (Lambredi), straight 4 cyl, 4 stroke, petrol engine | located middle longitudinal with 17o inclination to co-drivers side (LHD) | |
Capacity | 2111 cc | WRC: x 1.4 = 2955 cc 1988: x 1.7 = 3589 cc |
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Bore x Stroke (mm) | 85.0 x 93.0 | ||
Compression ratio | 9.0:1 | ||
Output power - torgue | 325 HP / 8000 rpm | 32.6 kgm (320 Nm) / 5500 rpm | |
Main bearings | forged steel crankshaft with 5 main bearings 52.9mm diameter | connecting rod length between centers 145mm, big end bearing diameter 53.9mm | |
Materials | block: cast iron, 229 mm deck height | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers | |
Cams/valves | 2 overhead camshafts (DOHC), belt driven | 4 valves/cyl. - 16 valves total. 35mm inlet valves diameter, 29.5mm exhaust valves diameter. Asymmetrical valves inclined of 24° in suction and 22° in exhaustion in comparison with the central axe of the piston | |
Aspiration | Abarth R18 volumex roots supercharger with Bosch Kugelfisher mechanical fuel injection | pressure: 0.6 - 0.9 bar | |
Ignition | Magneti Marelli AEI 200 A electronic. Marelli SM 808 X ignition device, CHAMPION N84G spark plugs, 10o static timing and 25o centrifugal (mechanical) timing, firing order 1-3-4-2 | 12V 48Ah battery, Marelli AA 125 14V 55 A alternator and 0.95KV starter motor | |
Cooling system | jacketed watercooled, with pump, front radiator combined with an oil radiator, fan and thermostat | 9 lt | |
Lubrication system | dry sump with 3 stage pump and oil cooler | 9 lt | |
Transmission | |||
Type | rear wheel drive | ZF, 5 speed manual gearbox | |
Gearbox ratios | 1st: 2.416/1 (29/12) 2nd: 1.611/1 (29/18) 3rd: 1.136/1 (25/22) 4th: 0.846/1 (22/26) 5th: 0.704/1 (19/27) R: 2.867/1 (43/15) |
1st: 2.308/1 (30/13) 2nd: 1.611/1 (29/18) 3rd: 1.300/1 (26/20) 4th: 1.125/1 (27/24) 5th: 1.000/1 (26/26) R: 2.867/1 (43/15) |
1983: 1st: 2.416/1 (29/12) 2nd: 1.706/1 (29/17) 3rd: 1.368/1 (26/19) 4th: 1.166/1 (28/24) 5th: 1.000/1 (26/26) R: 2.867/1 (43/15) |
Diffrential ratio | 4.875/1 (39/8), 5.250/1 (42/8), 5.625/1 (45/8). 1985: 4.125/1 (33/8), 4.375/1 (35/8), 4.500/1 (36/8), 4.625/1 (37/8), 4.750/1 (38/8), 4.777/1 (43/9), 4.888/1 (44/9), 5.222/1 (47/9), 5.555/1 (50/9), 4.600/1 (46/10), 5.111/1 (46/9) |
ZF spiral bevel gears, 40% limited slip rear differential | |
Clutch | dry, single ceramic disk Valeo 230mm diameter | ||
Chassis-body | |||
Type | Central steel frame with «toll-over-cage» (drawing) included. Two tubular space frames front and back. The front one is for front suspension and refrigeration system. The back one is for the rear suspension and trasmission (see picture of chassis). 2 door coupe bodyshell of armed plastic | ||
Front suspension | double unequal wishbones (lower trapezoidal) with coil springs, Bilstein telescopic gas shock absorbers and anti-roll bar | ||
Rear suspension | double unequal wishbones (lower trapezoidal) with coil springs and double Bilstein telescopic gas shock absorbers (see picture) | ||
Steering system | rack and pinion (no servo) | 2.5 turns lock to lock, 16.8/1, 14.4/1 | |
Brakes | solid or ventilated disks all around 300mm diameter with 2 aluminium piston calipers 48mm diameter. Front 4 aluminium piston calipers 38/42mm diameter, rear 2 aluminium piston calipers 32mm diameter. 1986: Front 4 aluminium piston calipers 42+40mm diameter, rear 4 aluminium piston calipers 44+36mm diameter (1 pair of pistons is 44mm diameter, and the other is 36mm diameter) |
dual circuit with Benditalia-Hydrovac vacuum servo | |
Dimensions | |||
length: 3.967 m (156.2") | width: 1.820 m (71.7") | height: 1.245 m (49.0") | |
wheelbase: 2.440 m (96.1") | front track: 1508 m (59.4") | rear track: 1498 m (59.0") | |
Rims - tires | speedline light alloy front: 8" x 15 - 16", rear: 9 - 10" x 16" or 18" |
tarmac: Pirelli P7 corsa. Gravel: SG35 front: 205/50 VR15 or 205/55-16, back: 225/50-16 or 265/40 VR16 or VR18 |
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Weight | 960 - 970 kg | ||
Fuel tank | 70, 30, 120 lt |
Results in WRC
Statistics
1984 | 1985 | 1986 | Total | ||||
Works | |||||||
Races/wins | 8/1 | 5 | 1 | 14/1 | |||
Entries/finishes | 18/15 | 10/5 | 3/1 | 31/21 (67.7%) | |||
Others | |||||||
Races | +2 | +4 | 6 | ||||
Entries/finishes | 9/4 | 8/4 | 5/3 | 22/11 (50.0%) | |||
Total WRC results | |||||||
Races/wins | 8/1 | 7 | 5 | 20/1 | |||
Entries/finishes | 27/19 | 18/9 | 8/4 | 53/32 (60.4%) | |||
Total points | 131 | 57 | 21 | 209 (10.450 per race) (3.943 per entry) |
Races
Works team: Martini Lancia
325 HP
Entry | Rally event | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Driver Codriver |
Team | M.C | (SVE) Entry list |
POR | KEN | TdC | GRE | N.Z | ARG | FIN | S.R | (CdI) | RAC | ||
Markku Alén Ilkka Kivimäki 151AR0000416 |
works | 8th | 1st | 2nd | |||||||||||
Markku Alén Ilkka Kivimäki 151AR0000403 |
works | 2nd | 3rd | ||||||||||||
Markku Alén Ilkka Kivimäki 151AR0000418 |
works | 4th | |||||||||||||
Markku Alén Ilkka Kivimäki 151AR0000401 |
works | eng ine | |||||||||||||
Markku Alén Ilkka Kivimäki 151AR0000404 |
works | 2nd | |||||||||||||
Jean-Claude Andruet Sergio Cresto 151AR0000404 |
works | excl uded | |||||||||||||
Attilio Bettega Maurizio Perissinot 151AR0000414 |
works | 5th | 7th | ||||||||||||
Attilio Bettega Maurizio Perissinot 151AR0000407 |
works | 3rd | 2nd | ||||||||||||
Attilio Bettega Maurizio Perissinot 151AR0000406 |
works | 4th | |||||||||||||
Henri Toivonen Juha Piironen 151AR0000402 |
works | acci dent | acci dent | ||||||||||||
Henri Toivonen Juha Piironen 151AR0000408 |
works | 3rd | |||||||||||||
Vic Preston, Jr John Lyall 151AR0000409 |
works | 6th | |||||||||||||
Miki Biasion Tiziano Siviero 151AR0000405 |
Jolly Club/Totip | 6th | |||||||||||||
Miki Biasion Tiziano Siviero 151AR0000415 |
Jolly Club/Totip | 4th | 2nd | drive shaft | 3rd | ||||||||||
Adartico Vudafieri Luigi Pirollo 151AR0000404 |
Jolly Club/Totip | acci dent | |||||||||||||
Adartico Vudafieri Luigi Pirollo 151AR0000410 |
Jolly Club/Totip | acci dent | |||||||||||||
Carlo Capone Paolo Spollon 151AR0000418 |
West Rally Team | diff eren tial | |||||||||||||
Melas Ioánnis Halaris 151AR0000137 |
dnf | ||||||||||||||
Total points () |
131 | 14 | 24 | 12 | 23 | 15 | 9 | 17 | 17 | ||||||
Statistics | |||||||||||||||
Works starts/finishes | 18/15 | 3/2 | 4/3 | 2/2 | 2/2 | 3/2 | 1/1 | 2/2 | 2/2 | ||||||
Others starts/finishes | 9/4 | 1/1 | 1/1 | 2/1 | 3/0 | 2/1 |
Information and articles
Article from 4T 166, 7/1984
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Safari '86

Henri Toivonen in 1000 lakes '85

Attilio Bettega in Tour de Corse '85

Attilio Bettega's car in Tour de Corse '85
Drawings


Supercharger (Volumex)

Chassis
![progetto-04[1].jpg](http://tech-racingcars.wdfiles.com/local--files/lancia-rally-037/progetto-04[1].jpg)
![progetto-05[1].jpg](http://tech-racingcars.wdfiles.com/local--files/lancia-rally-037/progetto-05[1].jpg)
Front suspension

Rear suspension
page revision: 127, last edited: 02 Oct 2019 18:20