Lancia Delta HF Integrale 16V group A (1989)
 Source |
Development chain 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 |
Specifications
Click here| Group/Class | A/8 | Homologation number: A5394 |
| Years active | 1989 - 1991 | Homologation start: 1/1/1989 Homologation end: 31/12/1996 |
| Engine | ||
|---|---|---|
| Type | Fiat Twin Cam (Lambredi), Type 831D5.000, straight 4 cyl, 4 stroke | located front transverse |
| Capacity | 1995 cc | WRC: x 1.7 = 3392 cc |
| Bore x Stroke (mm) | 84.0 x 90.0 | |
| Compression ratio | 7.5:1 | |
| Output power - torgue | 300-330 HP / 7000 rpm | 41.0 - 45.9 kgm (402 - 450 Nm) / 4500 rpm |
| Main bearings | 5 of 53mm diameter | connecting rod length between centers 145mm, big end bearing internal diameter 54mm |
| Materials | block: cast iron, 229 mm deck height, fitted with twin counter-rotating balancer shafts | cylinderhead: cross flow aluminium alloy with hemispherical combustion chambers |
| Cams/valves | 2 overhead camshafts (DOHC), belt driven | 4 valves/cyl - 16 valves total. 34.5mm inlet valve diameter, 28.5mm exhaust valve diameter. 32.5o angle between inlet valve axis and vertical, 32.5o angle between exhaust valve axis and vertical. 2 coil springs per inlet and exhaust valve |
| Aspiration | Garrett AiResearch T03 (60/50) oil lubricated, water cooled turbocharger with intercooler, Weber-Marelli IAW90 multipoint electronic fuel injection. 1990-1991: 40mm turbo restrictor fitted. 1992-1994: 38mm turbo restrictor fitted. 1995+: 34mm turbo restrictor fitted. |
pressure: 1.8 bar (max) |
| Ignition | Weber-Marelli IAW90 Digiplex mapped electronic, firing order 1-3-4-2 | |
| Cooling system | watercooled | 6.2 lt |
| Lubrication system | dry sump with oil cooler | 5.6 lt |
| Transmission | ||
| Type | 4 wheel drive | 5 speed or 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: 2.462/1, (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 Electronically controlled viscous coupling clutch from tour de Corse '91 |
| Clutch | dry double disk, 236mm 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 extended wheel arches | |
| Front suspension | Mac pherson strut with 2 lower arms that form a triangle, coil springs, telescopic gas shock absorbers and anti-roll bar | |
| Rear suspension | Mac pherson struts with twin parallel lower transverse arms, longitudinal reaction arms, coil springs, telescopic gas shock absorbers and anti-roll bar | |
| Steering system | power assisted rack and pinion | 2.8 turns lock to lock |
| Brakes | front ventilated disks 332/313/303mm diameter with 4 piston calipers, rear ventilated disks 303/282mm diameter with 2 piston calipers | 2 dual circuits with servo and adjustable ratio split front to rear |
| Dimensions | ||
| length: 3.900 m (153.5 in) | width: 1.700 m (66.9 in) | height: 1.360 m (53.5 in) |
| wheelbase: 2.480 m (97.6 in) | front track: 1.488 m (58.6 in) | rear track: 1.458 m (57.4 in) |
| Rims - tires | gravel: 5.5" or 6.5" x 15" tarmac: 9 x 16" |
Michelin, gravel: 185/640-15" tarmac: 245/610-16" |
| Weight | 1100 kg | |
| Weight/power | 3.7 kg/HP | |
| Fuel tank | 70lt (30 to 120lt) | |
| Drag coefficient | 0.44 | |
Results in WRC
Statistics
| 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | Total | ||
| Works | ||||||||||
| Races/wins | 1/1 | 9/6 | 11/5 | 21/12 | ||||||
| Entries/finishes | 2/1 | 24/16 | 21/18 | 47/35 (75%) | ||||||
| Others | ||||||||||
| Races | +1 | +2/1 | 6 | 2 | 1 | 3 | 2 | 17/1 | ||
| Entries/finishes | 3/3 | 29/20 | 62/33 | 14/5 | 4/1 | 7/4 | 5/4 | 4/2 | 129/69 (54.3%) | |
| Total WRC results | ||||||||||
| Races/wins | 1/1 | 10/6 | 13/6 | 6 | 2 | 1 | 3 | 2 | 38/13 | |
| Entries/finishes | 5/4 | 53/36 | 83/51 | 14/5 | 4/1 | 7/4 | 6/4 | 5/3 | 176/104 (59.8%) | |
| Total points | 20 | 214 | 267 | 3 | 504 (13.263 per race) (2.896 per entry) |
|||||
Races
Works team: Martini Lancia
Season
| Entry | Rally event | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driver Codriver |
Team | (SVE) Entry list |
MC Entry list |
POR Entry list |
KEN | TdC | GRE | (NZ) | ARG | FIN | AUS | SR | (CdI) | RAC | |
| Miki Biasion Tiziano Siviero |
works | 1st | |||||||||||||
| Didier Auriol Bernard Occelli 460220 |
works | acci dent | |||||||||||||
| Dario Cerrato Giuseppe Cerri 458663 |
Joly Club | 4th | |||||||||||||
| Paolo Alessandrini Alessandro Alessandrini 480880 |
8th | ||||||||||||||
| Riccardo Errani Fabio Villa |
19th | ||||||||||||||
| Total points () |
20 | 20 | |||||||||||||
| Statistics | |||||||||||||||
| Works starts/finishes | 2/1 | 2/1 | |||||||||||||
| Others starts/finishes | 3/3 | 3/3 | |||||||||||||
Article from 4T 232, 1/1990
Click here
Article from Auto Express (greece) 263, 6/1989
Click here
Article from 4T 225, 6/1989
Click here
SourceDidier Auriol in Monte Carlo rally 1990
Source
Drawings
Source
Source
Engine
Garret Turbine
Source
Transmission
Source
SourceFront differential with Ferguson-type viscous coupler and self-locking differential
SourceBack Torsen differential (5:1 torque ratio)
Chassis
Source
Source
page revision: 207, last edited: 18 Apr 2019 05:05
