Lancia Delta HF Integrale Evoluzione group A (1992)
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Home » Rally Cars » Lancia Delta HF Integrale Evoluzione
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1987: Lancia Delta HF 4WD
1988: Lancia Delta HF Integrale
1989: Lancia Delta HF Integrale 16V
1992: Lancia Delta HF Integrale Evoluzione
Development level
Group A
Group N
Production

Also called Lancia Deltona

Specifications

See here
Group/Class A/8 Homologation number: A 5448
Years active 1992 Homologation start: 1/1/1992
Homologation end: 31/12/2000
Engine
Type Fiat Twin Cam (Lambredi), Type 831E5.000, straight 4 cyl, 4 stroke located front transverse with 18o front inclination
Capacity 1995 cc WRC: x 1.7 = 3392 cc
Bore x Stroke (mm) 84.0 x 90.0
Compression ratio 7.7:1
Output power - torgue 330-365 HP / 7000 rpm 54.5 kgm (535 Nm) / 4000 rpm
Main bearings 5 of 53mm diameter connecting rod length between centers 145mm, big end bearing internal diameter 53.9mm
Materials block: cast iron, fitted with twin counter-rotating balancer shafts, 278.5mm height cylinderhead: aluminium alloy, 145mm height
Cams/valves 2 overhead camshafts (DOHC), belt driven 4 valves/cyl - 16 valves total. 34.6mm inlet valve diameter, 28.6mm exhaust valve diameter. 23o angle between inlet valve axis and vertical, 23o angle between exhaust valve axis and vertical. 2 coil springs per valve
Aspiration Garrett AiResearch TBO385 (high temperature steel turbine 58.9mm diameter, aluminium compressort 69mm diameter) oil lubricated, with air/water intercooler and 38mm turbo restrictor, Weber-Marelli IAW90 multipoint electronic fuel injection.
1995+: 34mm turbo restrictor fitted
pressure: 1.9 bar (max)
Ignition Weber-Marelli IAW90 Digiplex mapped electronic, firing order 1-3-4-2
Cooling system watercooled 6.5 lt
Lubrication system dry sump with oil cooler 6 lt
Transmission
Type four wheel drive ZF/Abarth R90, 6 speed gearbox
Gearbox ratios 1st: 3.500/1 (42/12)
2nd: 2.176/1 (37/17)
3rd: 1.524/1 (32/21)
4th: 1.156/1 (37/32)
5th: 0.917/1 (33/36)
R: 3.545/1 (39/11)
1st: 3.182/1, (35/11)
2nd: 2.286/1, (32/14)
3rd: 1.706/1, (29/17)
4th: 1.350/1, (27/20)
5th: 1.130/1, (26/23)
6th: 0.960/1 (24/25)
R: 2.867/1 (43/15)
1st: 3.182/1, (35/11)
2nd: 2.462/1, (32/13)
3rd: 1.875/1, (30/16)
4th: 1.474/1, (28/19)
5th: 1.238/1, (26/21)
6th: 1.043/1 (24/23)
R: 2.867/1 (43/15)
Diffrential ratio center, 3.437/1 (55/16) or 3.733/1 (56/15) or 4.071/1 (57/14) or 4.385/1 (57/13), or 3.111/1 (56/18). Transfer box 1/2.263 (19/43), rear differential 2.263/1 (43/19). Helical gear epicyclical center differential, with one side-two homocentric hollow shafts outputs, 1st to front differential housing, 2nd to thansfer box. Viscous coupling clutch controls torque spliting between front differential casing and transfer box through hollow shafts. Limited slip front differential. Hypoid spiral bevel gear transfer box transfers torque to, hypoid spiral bevel gear, torsen rear differential. 50-50 % or 40-60% or 45-55% front/rear torque distribution
Clutch dry double carbon disk, 235mm diameter, valeo hydraulic electronically controlled
Chassis
Type Steel monocoque ZLA 831 ABO chassis with roll cage and rear subframe for suspension. 5 door hatchback steel bodyshell with steel extended wheel arches, thermoplastic polyester with plastic support bumpers, and aluminium rear top airofoil
Front suspension Mac pherson strut with lower arms that form a triangle, coil springs, telescopic gas shock absorbers and anti-roll bar
Rear suspension Mac pherson struts with 2 lower transverse arms, 1 lower longitudinal arm, coil springs, telescopic gas shock absorbers and anti-roll barbar
Steering system rack and pinion with hydraulic power assistance 2.8 turns lock to lock, 17.6/1, 14.5/1
Brakes front ventilated disks with 355/332/313/303/282/256mm diameter and 4/2 aluminium piston calipers. Rear solid disks with 251mm diameter and 1 cast iron piston caliper, or solid disks with 227/256mm diameter and 4/2 aluminium piston calipers, or ventilated disks 313/282/256mm diameter and 2/4 aluminium piston calipers dual circuit with servo, adjustable ratio split front to rear
Dimensions
length: 3.900 m (153.5 in) width: 1.770 m (69.7 in) height: 1.360 m (53.5 in)
wheelbase: 2.480 m (97.8 in) front track: 1.575 m (62.0 in) rear track: 1.565 m (61.6 in)
Rims - tires 7.5" x 15", gravel: 7" x 16" or
tarmac: 9 x 17"
Michelin, gravel: 185/660-16"
tarmac: 245/610-17"
Weight 1100 kg
Weight/power 3.3 kg/HP
Fuel tank 70lt (30 to 120lt)

Results in WRC

Statistics

1992 1993 1994 1995 1996 1997 1998 1999 2000 Total
Works
Races/wins 11/8 11/8
Entries/finishes 29/24 29/24 (82.8%)
Others
Races/wins +1 12 5 9/2 6 6 5 2 4 51/2
Entries/finishes 24/18 51/19 21/9 23/11 18/10 9/6 7/3 3/1 6/5 162/83 (51.2%)
Total WRC results
Races/wins 12/8 12 5 9/2 6 6 5 2 4 62/10
Entries/finishes 53/42 51/19 21/9 23/12 18/10 9/6 7/3 3/1 6/5 188/107 (56.9%)
Total points 270 108 11 29 7 423
(6.823 per race)
(2.250 per entry)

Races

Works team: Martini Lancia

Season
Entry Rally event
Driver
Codriver
Team MC
Entry list
(SVE)
Entry list
POR KEN TdC GRE (NZ) ARG FIN AUS SR (CdI) (ESP) RAC
Juha Kankkunen
Juha Piironen
works 3rd 1st 2nd 2nd 2nd 2nd 2nd 2nd 2nd
Didier Auriol
Bernard Occelli
works 1st eng ine 1st 1st 1st 1st 1st acci dent 10th eng ine
Andrea Aghini
Sauro Farnocchia
works acci dent 6th 1st 3rd 10th
Jorge Recalde
Martin Christie
works 3rd 6th* acci dent 4th*
Björn Waldegård
Fred Gallagher
works fire
Philippe Bugalski
Denis Giraudet
works 5th* * 3rd 9th
Giovanni Recordati
Luca Vitale - Marco Verdelli
dnf dnf dnf
Piero Liatti
Luciano Tedeschini
A.R.T. Engin eering 8th 2nd 7th
Alex Fiorio
Vittorio Brambilla
Astra 7th 4th 5th 4th
César Baroni
Philippe David
Astra 8th
Gustavo Trelles
Jorge del Buono
Mauro Rallye Team 3rd* 7th
Jesús Puras
Alex Romaní
Mauro Rallye Team 6th
Gilberto Pianezzola
Loris Roggia
6th
Giorgio Faletti
Giuseppe Cerri
15th
Piergiorgio Deila
Pierangelo Scalvini
Joly Club acci dent
Pedro Diego
Icíar Muguerza
Marlboro Rallye Team 8th
Enrico Bertone
Flavio Zanella
34th
Josef Sivík
Miroslav Houšť
acci dent
Evgenius Tumalyavichius
Sergei Dadvani
Asto Moskva trans mission
Total points
(1st)
270 24 10 17 26 28 9 25 21 26 37 37 10
Statistics
Works starts/finishes 29/24 2/2 3/1 3/2 3/3 2/2 2/1 3/3 2/2 3/3 3/3 3/2
Others starts/finishes 24/18 2/1 1/0 2/1 2/2 1/1 2/2 1/1 6/5 4/4 3/1

*Private entry
* * Private entry with Joly Club


Information and articles

Article from 4T 258, 3/1992

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1+1992+RKKKRAC21.jpg Source
Juha Kankkunen in RAC rally '92
Lancia-Delta-Integrale.jpg Source
ms06lan4.jpg Source
ck-lancia(3).jpg Source

Drawings

sx2.jpg
041211033038_79.jpg Source

Garrett TBO385

tb0385.jpg Source

Transmission

transmis.jpg Source
evofront.jpg Source
Front differential with Ferguson-type viscous coupler and self-locking differential
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Rear Torsen differential (5:1 torque ratio)

Suspension

lancia-delta-autre-36275.jpg Source
lancia-delta-autre-36276.jpg Source

CAD

DeltaHF_13.jpg?1373129320 Source
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