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
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
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
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

1984

Season

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

1985Season

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 151AR0000220	works				eng ine
Markku Alén Ilkka Kivimäki 151AR0000172	works					with drawn
Markku Alén Ilkka Kivimäki 151AR0000160	works									3rd	4th
Attilio Bettega Maurizio Perissinot 151AR0000187	works				eng ine
Attilio Bettega Maurizio Perissinot 151AR0000216	works					acci dent +
Henri Toivonen Juha Piironen 151AR0000216	works	6th
Henri Toivonen Juha Piironen 151AR0000201	works									4th	3rd
Vic Preston, Jr John Lyall 151AR0000164	works				suspe nsion
Miki Biasion Tiziano Siviero 151AR0000414	Jolly Club/Totip	9th
Miki Biasion Tiziano Siviero 151AR0000196	Jolly Club/Totip			2nd
Miki Biasion Tiziano Siviero 151AR0000202	Jolly Club/Totip					with drawn					6th
Dario Cerrato Giuseppe Cerri 151AR0000198	Jolly Club/Totip										5th
Andrea Zanussi Sergio Cresto 151AR0000419	West Lancia Team						acc eler ator
Mauro Pregliasco Daniele Cianci 151AR0000407	West Lancia Team						acci dent
'Melas' Iórgos Mantzagriotis 151AR0000409							dnf
Total points ()	57	7		9						15	26
Statistics
Works starts/finishes	10/5	1/1			3/0	2/0				2/2	2/2
Others starts/finishes	8/4	1/1		1/1		1/0	3/0				2/2

+ See picture

1986Season

Entry		Rally event
Driver Codriver	Team	MC	SVE Entry list	POR	KEN	TdC	GRE	NZ	ARG	FIN	(CdI)	SR	RAC	(Oly)
Markku Alén Ilkka Kivimäki 151AR0000400	works				3rd
Vic Preston, Jr John Lyall 151AR0000410	works				acci dent
Miki Biasion Tiziano Siviero 151AR0000202	works				eng ine
Salvador Servià Jordi Sabater 151AR0000160	RACC Bendi berica	7th
Carlos Bica Cândido Júnior 151AR0000196	Duriforte Construçoes			2nd
'Melas' Iórgos Mantzagriotis 151AR0000409							13th
Stefano Rosina Dario Paglia 151AR0000411	Balestrero											dnf
Riccardo Trombi Alessio Nieri	Serchio Corse											dnf
Total points ()	21	4		9	8
Statistics
Works starts/finishes	3/1				3/1
Others starts/finishes	5/3	1/1		1/1			1/1					2/0

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Information and articles

Article from 4T 166, 7/1984

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Attilio Bettega's car in Tour de Corse '85

Drawings

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Supercharger (Volumex)

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Chassis

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Front suspension
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Rear suspension