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Lancia Delta HF Integrale

Lancia Delta HF Integrale

One of Lancia`s most successful products was the Delta.

It was produced from 1979 to 1994 for many different road and track applications. The car debuted at the Frankfurt Motor Show as a Giorgio Guigaro design based on Fiat Ritmo components. Surprisingly, this Delta would lead Lancia into its most successful rally program. By 1985, Lancia prepared a prototype Delta for Group B rally racing. The resulting car, called the Delta S4, was a hot hatch of extreme specification that hardly resembled the product it shared its name with. It had a 480 horsepower engine nestled in the center of a space frame chassis. Unfortunately, the S4 raced very briefly as a result of FISA canceling the unlimited Group B racing in 1986. Thus, the S4 was prematurely withdrawn from racing.

Many great road-cars have been created for homologation requirements and the Lancia Delta Integrale is one such car. After the Delta HF 4WD's successful debut year, Lancia started the work on the Integrale. This was a car which integrated the developments from the 1987 season into both a road and rally car. Since the Integrale was motivated by motor sport, it was engineered more as a race car than the sedan which shared its name. Due to Group A regulations, the race car was allowed very little margins of modification. As such the road going Integrales had to be packed with the same cutting-edge technology found in the Group A cars.

Lancia Delta HF Integrale Lancia Delta HF Integrale engine

As Lancia was and still is owned by Fiat, it should be no surprise the Integrale uses a two liter Fiat engine as designed by Aurelio Lampredi. Updated in almost every area, the Integrale's engine is an evolution of one found in the early Delta HF Turbo. All cars after 1989 have a 16 valve head, larger fuel injectors and a slightly revised compressor. Specifically, the turbine is smaller on the turbocharger, but the waste gate is modified to provide a larger boost. These 16V examples provide 200 bhp, fifteen more hp than the eight valve design.

General characteristics

Lancia engine

engine: Inline-4 w/Garrett Turbocharger

position: Front, Transverse

aspiration: Garrett Turbocharger

valvetrain: Belt Driven DOHC w/4 Valves per Cyl

displacement: 1995 cc / 121.7 inĀ³

bore: 87 mm / 3.43 in

stroke: 90 mm / 3.54 in

compression: 8.0:1

power: 156.6 kw / 210 bhp @ 5750 rpm

specific output: 105.26 bhp per litre

bhp/weight: 161.54 bhp per tonne

torque: 298.28 nm / 220 ft lbs @ 3500 rpm

Lancia illustration

body / frame: Unit Steel

driven wheels: Ferguson 4WD w/Rear Torsen Diffential, Central Viscous Coupling

front tires: 205/50 ZR15

rear tires: 205/50 ZR15

front brakes: Inner Vented Discs w/Twin-Piston Calipers, Vacuum Assist, ABS

f brake size: x 281 mm / x 11.1 in

rear brakes: Inner Vented Discs w/Single-Piston Calipers, Vacuum Assist, ABS

r brake size: x 251 mm / x 9.9 in

front wheels: F 38.1 x 17.8 cm / 15.0 x 7 in

rear wheels: R 38.1 x 17.8 cm / 15 x 7 in

f suspension: MacPherson Struts w/Lower Wishbones, Coil Springs, Telescopic Dampers, Anti-Roll Bar

r suspension: Double Transverse Arms w/Coil Springs, Telescopic Dampers, Anti-Roll Bar

curb weight: 1300 kg / 2866 lbs

wheelbase: 2480 mm / 97.6 in

front track: 1502 mm / 59.1 in

rear track: 1500 mm / 59.1 in

length: 3900 mm / 153.5 in

width: 1770 mm / 69.7 in

height: 1365 mm / 53.7 in

transmission: 5-Speed Manual

gear ratios: 3.50:1, 2.176:1, 1.523:1, 1.156:1, 0.916:1, :1

final drive: 3.111:1

top speed: ~220.5 kph / 137.0 mph

0 - 60 mph: ~5.7 seconds

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