Lancia ECV (1987)
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1984: Lancia Delta S4
1987: Lancia ECV
1988: Lancia ECV2

Lancia ECV (Experimental Composite Vehicle)
On the road: see Video

Specifications

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Group/class S, never raced
Years active 1987
Engine
Type Abarth 233 ATR 18S, straight 4cyl, 4 stroke located middle longitudinal
Capacity 1759 cc WRC: x 1.4 = 2463 cc
Bore x Stroke (mm) 86.5 x 71.5
Compression ratio 7.5:1
Output power - torgue 600 HP / 8000 rpm
(group S restrictions to 300HP)
55.0 kgm (540 Nm) / 5000 rpm
Main bearings
Materials block: aluminium alloy cylinderhead: aluminium alloy
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl. - 16 valves total
Aspiration triflux system with two KKK K26 turbochargers and 2 intercoolers (see picture), Weber-Magneti Marelli electronic fuel injection pressure:
Ignition Weber-Magneti Marelli electronic, firing order 1-3-4-2
Cooling system watercooled
Lubrication system dry sump
Transmission
Type four wheel drive 5 speed ZF gearbox
Gearbox ratios 1st: /1
2nd: /1
3rd: /1
4th: /1
5th: /1
Diffrential ratio /1 central Ferguson FF epicyclic differential with 30% - 70% f/r distribution and automatic viscous coupling. Front: free. Rear: locked 25%
Clutch dry, double disk
Chassis-body
Type Load-bearing structure made of carbon fibre honeycomb with steel tube screen front structure (see picture). Bodywork mostly made of carbon and Kevlar resins, impregnated with epoxy resins
Front suspension double unequal wishbones, coil springs over Bilstein hydraulic shock absorbers, anti-roll bar
Rear suspension double unequal wishbones, coil springs, twin Bilstein hydraulic shock absorbers, anti-roll bar
Steering system rack and pinion 2.5 turns
Brakes front and rear ventilated disks 300mm diameter, 4 piston calipers all around hydraulic pumps in parallel with manual balance adjustment
Dimensions
length: 4.003 m (157.6 in) width: 1.880 m (74.0 in) height: 1.400 m (55.1 in)
wheelbase: 2.440 m (96.1 in) front track: 1.500 m (59.0 in) rear track: 1.502 m (59.1 in)
Rims - tires front 9" x 16", rear 11" x 16" Pirelli 230/660-16 (front), 290/660-16 (rear)
Weight 930 kg front/rear distribution 45% - 55%
Weight/power 1.6 kg/HP
Fuel tank 25 lt

Article from 4T 197, 2/1987

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Article from SpeedHunters 2013

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fotogruppo.jpg Source
Lancia_Triflux.jpg
lancia_ecv_group_s_prototype_img_24880.jpg Source

Drawings

fotosezione.jpg Source
ecv1s1.jpg Source

Engine

ecv_3.jpg Source
ECV-triflux-head.jpg Source

Chassis

sx4.jpg
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