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The '''Lancia Prisma''' (''Tipo 831'') was a [[small family car]] built by [[Italy|Italian]] car manufacturer [[Lancia]] between 1982 and 1989. It was a [[sedan (car)|saloon]] version of the first generation [[Lancia Delta]] [[hatchback]], and like the Delta it was designed by [[Giorgetto Giugiaro]].
The '''Lancia Prisma''' (''Tipo 831'') was a [[small family car]] built by [[Italy|Italian]] car manufacturer [[Lancia]] between 1982 and 1989. It was a [[sedan (car)|saloon]] version of the first generation [[Lancia Delta]] [[hatchback]], and like the Delta it was designed by [[Giorgetto Giugiaro]]. Like the Delta it was also available as a 4x4 integrale version, although with a non-turbocharged engine and an air-locking rear differential.


==Layout==
==Layout==

Revision as of 11:32, 27 August 2022

Lancia Prisma
Overview
ManufacturerLancia
Production1982–1989
AssemblyChivasso, Piedmont, Italy
(Chivasso plant)[1][2]
DesignerGiorgetto Giugiaro at Italdesign
Body and chassis
ClassSmall family car (C)
Body style4-door saloon
LayoutFront-engine, front-wheel-drive
Front-engine, four-wheel-drive
RelatedLancia Delta
Powertrain
Engine
Transmission
Dimensions
Wheelbase2,475 mm (97.4 in)
Length4,180 mm (164.6 in)
Width1,620 mm (63.8 in)
Height1,385 mm (54.5 in)
Kerb weight950–1,050 kg (2,094.4–2,314.9 lb)
Chronology
PredecessorLancia Fulvia
Lancia Beta
Lancia Trevi
SuccessorLancia Dedra

The Lancia Prisma (Tipo 831) was a small family car built by Italian car manufacturer Lancia between 1982 and 1989. It was a saloon version of the first generation Lancia Delta hatchback, and like the Delta it was designed by Giorgetto Giugiaro. Like the Delta it was also available as a 4x4 integrale version, although with a non-turbocharged engine and an air-locking rear differential.

Layout

The Lancia Prisma was a four-door, five-seat saloon with steel unibody construction, front-transverse mounted engines in block with the transaxle and all-independent suspension. Suspension consisted of MacPherson struts with offset telescopic dampers and coil springs, and anti-roll bars on both axles. The front struts were located by a stamped steel control arm and one radius rod; the rear by two parallel transverse links (the rearmost one adjustable for toe regulation) attached to a crossmember and one trailing link.

History

The task of transforming the Delta into a saloon car was given to its original designer Giorgetto Giugiaro, who worked on the car between 1979 and 1980.[3] The two cars share platform (including the 2475 mm wheelbase), drivetrains, doors and windscreen. The Prisma became the most popular Lancia nearly immediately; with a daily production of 250 a cumulative production of 100,000 was reached in 1984.[4]

1982–1986, first series

An early Lancia Prisma

The Prisma was launched in late December 1982[2] and went on sale in Italy in early January 1983,[5] while its European première was held at that year Geneva Motor Show. The initial range was composed of five models, equivalent to that the freshly revised 1982 Delta. Prisma 1300 was powered by a 1301 cc 78 PS engine mated to a 5-speed gearbox; a 1498 cc 85 PS engine was available with the same gearbox on Prisma 1500, or with Lancia's own Verrone-built 3-speed automatic transmission on the Prisma 1500 automatica. At the top of the range there was Prisma 1600, mounting the 1585 cc 105 PS twin-cam engine from the Delta 1600 GT, with Marelli Digiplex ignition. Similarly to the Delta GT, the Prisma 1600 was also equipped with four disc brakes, a 5-speed gearbox with dedicated ratios and lower profile tyres on wider wheels; it also boasted the amplest standard equipment, Zegna-designed chequerboard wool cloth upholstery and some exclusive options, such as air conditioning.

June 1984 marked the introduction of the Lancia Prisma diesel, the marque's first modern diesel-engined passenger car.[6] The diesel was imperative, as more than a third of Italian sales in the Prisma's class were of diesel-powered cars.[4] Its naturally aspirated 1929 cc SOHC four-cylinder had an iron block, aluminium head and indirect injection; it put out 65 PS. The engine had been developed by Fiat, and was also installed in the Fiat Regata DS—although the Fiat lacked some of Lancia's NVH-improving solutions.[7] The diesel engine was light, only weighing 11 kg (24 lb) more than the 1.6-liter petrol unit.[4] All Diesel Prismas sported a sightly domed hood, needed to clear the taller engine. Some updates were introduced with the diesel, including optional hydraulic power steering, redesigned seats, new striped cloth upholstery and a four-spoke steering wheel.

About a year later, in May 1985, the Prisma turbo diesel was added to the range.[8] The 1.9-litre engine from the Prisma diesel received a KKK turbocharger with wastegate valve, an intercooler and an oil cooler; its gearbox was the same ZF 5-speed unit used on the Delta HF turbo.[9] Power was 80 PS and torque 172 N⋅m (17.5 kg⋅m). The turbo diesel Prisma adopted disk brakes, wheels and tyres from the top-of-the-range 1600 as well as similarly rich equipment, and added standard power steering.

1986–1989, second series

Second series Lancia Prisma

A major mid-cycle refresh débuted at the April 1986 Turin Motor Show.[10] Changes were made to the exterior and interior of the car. Outside there were more modern, enveloping bumpers—the front one with provisions for integrated fog lights; the redesigned grille and bonnet bore a family resemblance to the flagship Thema. Also new were the ventilation grille on the C-pillar and full-wheel hubcaps. Inside new seats, new instrumentation and air conditioning system. The 1986 range included seven models, two of them all-new: 1.3, 1.5, 1.5 Automatica, 1.6, 1.6 i.e., 4WD, diesel and turbo ds.[10] 1.3 and 1.5 models had revised intake and exhaust system, fuel cut-off, a new carburettor and breakerless ignition. The diesel versions had also received some minor engine updates, and the turbo diesel had been renamed turbo ds. The new Prisma 1.6 i.e. used a version of the 1585 cc twin-cam engine equipped with Weber-Marelli IAW integrated electronic ignition and fuel injection system, developing 108 PS.[10] In comparison to the carburetted Prisma 1600—which remained on sale as Prisma 1.6—further changes had been made: the cylinder head had been rotated 180°, bringing the exhaust side to the front for better cooling, and the whole engine was canted forward 18° to lower its centre of gravity.

The other new arrival was the Prisma 4WD, featuring a two-litre fuel injected engine and Lancia's three differential permanent four wheel drive. Derived from the flagship Thema, the 1995 cc, twin-cam 8-valve engine featured two counter rotating balance shafts and IAW fuel injection; it developed 115 PS (85 kW) and 163 N⋅m (120 lbf⋅ft). The 4WD package was completed by four disk brakes from the 1.6, power steering and wide, low profile 185/60 tyres on 14-inch 8-spoke alloy wheels. Minor details set the 4WD apart from other Prismas: outside a "4WD" script on the right half of the grille and on the new side skirts, inside it sported the instrument panel from the Delta HF 4WD with six round gauges, yellow scales and hands.

Rear view

In June 1987 the 4WD was updated and rechristened Prisma integrale;[11] it came with standard two-tone paintwork in a choice of three tone on tone combinations, a matching Alcantara interior, and a drop in price from the 4WD — at least in the home market[11][12] where prices were cut by 10 percent.[13]

The last update for the Prisma was the introduction of the eighth model in the range, the upmarket Prisma 1.5 LX, in March 1988.[14] The LX trim added metallic paint, checked cloth interior with beige carpeting and convenience equipment.

The successor of the Prisma, the Lancia Dedra, was unveiled in early 1989, with sales commencing in May; production of the Prisma ended in 1989.

Four-wheel-drive system

Lancia's permanent four-wheel-drive system was based on three differentials. An epicyclic gear train served as centre differential, splitting the torque between the front and rear axle according to a fixed predetermined ratio—56% front/44% rear on the Prisma 4WD.[15] The ring gear of the epicyclic differential meshed with the gearbox output shaft, its sun gear transmitted torque the front open differential, and its planet carrier, through a pair of bevel gears and a three-piece drive shaft, to the rear differential. A Ferguson coupling controlled the centre differential, preventing excessive relative slippage of the two axles. The epicyclic differential, the Ferguson coupling and the front differential were mounted coaxially in a single transverse unit just behind the engine. In place of the complex Torsen rear differential of the Delta HF 4WD, the Prisma 4WD had a simpler "open" type one, with differential lock—useful at low speeds in low grip conditions—controlled by the driver via a switch on the dashboard. This difference reflected the different goals of the two systems and the destination of the two vehicles: the Delta HF was designed for sport driving, the Prisma for all-conditions safe driving.[3]

Engines

As on the Delta, the SOHC engines were derived from the Fiat Ritmo, revised by Lancia engineers with a Weber twin-choke carburettor, a new inlet manifold, exhaust system and ignition. On Fiat engines Lancia make their own aluminium heads and fuel injection systems, only some parts of Fiat can be used for restoration of Lancia i.e. engines.[citation needed]

Model[16][17] Production
period 		Displacement Valvetrain
Fuel & induction syst. 		Peak power Peak torque Accel.
0–100 km/h (0-62 mph) 		Top speed
Petrol engines
1300 1982–1986 1,301 cc (79.4 cu in) SOHC 8v, twin-choke carburator 78 PS (57 kW; 77 hp) at 5800 rpm 105 N⋅m (77 lbf⋅ft) at 3400 rpm 14.3 s 160 km/h (99 mph)
1.3 1986–1989 75 PS (55 kW; 74 hp) at 5800 rpm 104 N⋅m (77 lbf⋅ft) at 3400 rpm — —
1.3 78 PS (57 kW; 77 hp) at 5800 rpm 105 N⋅m (77 lbf⋅ft) at 3400 rpm 14.0 s 163 km/h (101 mph)
1500 1982–1986 1,498 cc (91.4 cu in) SOHC 8v, twin-choke carburator 85 PS (63 kW; 84 hp) at 5800 rpm 126 N⋅m (93 lbf⋅ft) at 3500 rpm 12.0 s 165 km/h (103 mph)
1500 aut. 14.3 s 160 km/h (99 mph)
1.5 1986–1989 75 PS (55 kW; 74 hp) at 5600 rpm 118 N⋅m (87 lbf⋅ft) at 3000 rpm — —
1.5 80 PS (59 kW; 79 hp) at 5600 rpm 123 N⋅m (91 lbf⋅ft) at 3200 rpm 12.1 s 166 km/h (103 mph)
1.5 aut. 14.3 s 160 km/h (99 mph)
1600 1982–1986 1,585 cc (96.7 cu in) DOHC 8v, twin-choke carburator 105 PS (77 kW; 104 hp) at 5800 rpm 135 N⋅m (100 lbf⋅ft) at 3500 rpm 10.2 s 178 km/h (111 mph)
1.6 1986–1989 100 PS (74 kW; 99 hp) at 5900 rpm 126 N⋅m (93 lbf⋅ft) at 5000 rpm 10.2 s 178 km/h (111 mph)
1.6 i.e. DOHC 8v, IAW MPI 90 PS (66 kW; 89 hp) at 6250 rpm 124 N⋅m (91 lbf⋅ft) at 4250 rpm — —
1.6 i.e. 108 PS (79 kW; 107 hp) at 5900 rpm 135 N⋅m (100 lbf⋅ft) at 3500 rpm 9.5 s 185 km/h (115 mph)
4WD 1986–1987 1,995 cc (121.7 cu in) DOHC 8v, 2 BS, IAW MPI 115 PS (85 kW; 113 hp) at 5400 rpm 163 N⋅m (120 lbf⋅ft) at 3250 rpm 10.5 s 184 km/h (114 mph)
integrale 1987–1989
Diesel engines
diesel 1984–1989 1,929 cc (117.7 cu in) SOHC 8v, injection pump 65 PS (48 kW; 64 hp) at 4600 rpm 119 N⋅m (88 lbf⋅ft) at 2000 rpm 16.0 s 158 km/h (98 mph)
turbo diesel 1984–1986 1,929 cc (117.7 cu in) SOHC 8v, injection pump,
KKK turbo, intercooler		 80 PS (59 kW; 79 hp) at 4200 rpm 172 N⋅m (127 lbf⋅ft) at 2400 rpm 12.9 s 170 km/h (106 mph)
turbo ds 1986–1989

References

Wikimedia Commons has media related to Lancia Prisma.
  1. ^ "Lancia Prisma". geocities.com. Archived from the original on 9 April 2008.
  2. ^ a b Fenu, Michele (28 December 1982). "Lancia Prisma, tecnica e stile" [Lancia Prisma, technology and design]. La Stampa (in Italian). p. 6. Retrieved 27 January 2015.
  3. ^ a b Bellucci, Alberto; Tiberi, Massimo (December 1988). "Lanciatissima". L'Automobile: 39–46.
  4. ^ a b c JG (1984-07-05). "De wet van de stilte: Lancia Prisma Diesel" [The code of silence]. De AutoGids (in Flemish). 5 (125). Brussels, Belgium: Uitgeverij Auto-Magazine: 16–17.
  5. ^ Ferraris, Eugenio (28 December 1982). "Prisma, una Lancia tutta nuova". Stampa Sera. p. 25. Retrieved 27 January 2015.
  6. ^ Fenu, Michele (22 June 1984). ""Prisma Diesel", silenzio si viaggia". La Stampa. p. 21. Retrieved 28 January 2015.
  7. ^ Sabadin, Vittorio (22 June 1984). "Quei motori così eguali, così diversi". La Stampa. p. 21. Retrieved 28 January 2015.
  8. ^ Fenu, Michele (10 May 1985). "Potente e veloce, ecco la Prisma Diesel". La Stampa. p. 17. Retrieved 28 January 2015.
  9. ^ Bellucci, Alberto (11 May 1985). "Prisma la bella ma che rumore..." La Repubblica. p. 21. Retrieved 28 January 2015.
  10. ^ a b c Fenu, Michele (18 April 1986). "Arriva il Salone, la Prisma si rinnova". La Stampa. p. 18. Retrieved 28 January 2015.
  11. ^ a b Bernabò, Ferruccio (19 June 1987). "Ecco l'"integrale", costa meno ed è più bella" [Here's the "Integrale", costs less and looks better]. La Stampa (in Italian). p. 19. Retrieved 28 January 2015.
  12. ^ Liberali, Sandro, ed. (17 December 1987). "Quanto costeranno le auto a gennaio: il listino di tutte le auto" [How much cars will cost after January: List of all cars]. Auto Oggi (in Italian). 2 (54). Verona, Italy: Arnoldo Mondadori: 28.
  13. ^ Bellucci, Alberto (11 July 1987). "Prisma: lusso "integrale" a buon prezzo". La Repubblica. Retrieved 28 January 2015.
  14. ^ Fenu, Michele (11 March 1988). "La Prisma diventa più lussuosa". La Stampa. p. 19. Retrieved 28 January 2015.
  15. ^ Rogliatti, Gianni (18 April 1986). "Il 4x4, ecco com'è". La Stampa. p. 18. Retrieved 28 January 2015.
  16. ^ "Lancia Prisma". carfolio.com. Retrieved 29 October 2007.
  17. ^ Lancia Prisma Owner's manual (in Danish). December 1986.
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