Aurelio Lampredi Aurelio Lampredi (16 June 1917 – 1 June 1989) was an Italian automobile and aircraft engine designer. Born in Livorno, he began his career before World War II at Piaggio, moved to Isotta Fraschini, and then joined Reggiane. This time he design ...

, the Fiat 124 engine first appeared in the all-new

Fiat 124 The Fiat 124 is a small family car manufactured and marketed by Italian company Fiat between 1966 and 1974. The saloon superseded the Fiat 1300 and was the basis for several variants including a station wagon, a four-seater coupé ( 124 Sport Cou ...

in April 1966. The in-line four-cylinder engine comprised an iron

block Block or blocked may refer to: Arts, entertainment and media Broadcasting * Block programming, the result of a programming strategy in broadcasting * W242BX, a radio station licensed to Greenville, South Carolina, United States known as ''96.3 ...

with an aluminium cylinder-head with

pushrod A valvetrain or valve train is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. The intake valves control the flow of air/fuel mixture (or air alone for direct-injected engines) ...

actuated valves. The belt-driven design was ahead of its time when introduced. European production of the petrol versions ended with the

Fiat 131 The Fiat 131 is a family sedan manufactured and marketed by Fiat from 1974 to 1984 after its debut at the 1974 Turin Motor Show. Available as a two-door and four-door saloon and 5-door estate across a single generation, the 131 succeeded th ...

in 1984, but later diesel derivatives continued to be built until 1999. It did have a longer life in its twin-cam iteration, which continued in production until 2000. While originally of an

overhead valve An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located be ...

design, an

overhead cam An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

version was added to the facelifted 131 in 1981. The capacity was initially (in the

), but eventually ranged between . There were also three SOHC diesel iterations of 1.4, 1.7, and 1.9 litres. The last versions of this engine to be built were the diesels. The direct-injected diesel version was the first direct-injection diesel to appear in a production passenger car, the

Fiat Croma The Fiat Croma name was used for two distinct large family car by Fiat, one a five door liftback manufactured and marketed from 1985 to 1996, and after a nine year hiatus, a crossover station wagon manufactured and marketed from 2005 to 2010. ...

Turbo D i.d.

Engine specifications

The Fiat 124 series engine was produced in a number of configurations differing in stroke and bore but maintaining a standard bore-spacing. The first model (124 A.000) was near square, using a bore and a stroke of to produce a displacement of . A larger version arrived in October 1968, in the 124 Special. This has an bore. The bore was increased to to give a displacement of for the 131, which was also available in a 1.6-litre version with a bore. A variety of other bores and strokes were available. Several of the Brazilian Fiasa engines share their bore and stroke with the 124 series engines and were sometimes used in the same cars, but the engines are not related. The 1.3 was later bored out by 0.1 mm, to nudge the displacement above 1.3 liters. This allowed Italian motorists to drive a full on the

autostrada The Autostrade (; singular ) are roads forming the Italian national system of motorways. The total length of the system is about . In North and Central Italy, the Autostrade mainly consists of tollways managed by Autostrade per l'Italia, a ho ...

, rather than the which was allowed for cars under 1.3 litres. The 124-series engine has five main bearings, a cast iron block and a reverse-flow aluminum alloy head. Intake and exhaust are both located on the right-hand side of the engine. There are also overhead camshaft versions of the 124-series engine. The first was the Fiat Twin Cam, which used the 124-series block with some modifications to use a

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion c ...

valvetrain with a crossflow head. The Italian single overhead cam version arrived in 1981 and formed the basis for the three diesel versions. The diesel was available in

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

guise in the Uno Turbo D, while the larger 1.9-litre version was also available with direct injection. There was also a two-litre pushrod version (6132 AZ 2000) for the 1974 to 1982 Fiat Nuova Campagnola; this has the bore of the 1.6 but combined with a stroke. {, , + Valid engine bore/stroke combinations , {, class="wikitable" style="text-align:center" ! rowspan="2" width="50px" , Stroke
(mm) ! colspan="7" , Bore (mm) , - ! 73 !! 76 !! 76.1 !! 78 !! 80 !! 82.6 !! 84 , - ! 71.5 , style="background:#EDA584; color:black" width="50px" , 1197
OHV , style="background:#EDA584; color:black" width="50px" , 1297
OHV , style="background:#EDA584; color:black" width="50px" , 1301
OHV , style="background:#EDA584; color:black" width="50px" , 1367
SOHC,
diesel , style="background:#EDA584; color:black" width="50px" , 1438
OHV , style="color:silver" width="50px" , ''1533'' , style="background:#EDA584; color:black" width="50px" , 1585
OHV,
SOHC , - ! 79.2 , style="color:silver" width="50px" , ''1326'' , style="color:silver" width="50px" , ''1437'' , style="color:silver" width="50px" , ''1441'' , style="color:silver" width="50px" , ''1514'' , style="color:silver" width="50px" , ''1592'' , style="background:#EDA584; color:black" width="50px" , 1697
diesel , style="color:silver" width="50px" , ''1756'' , - ! 90 , style="color:silver" width="50px" , 1507 , style="color:silver" width="50px" , 1633 , style="color:silver" width="50px" , 1637 , style="color:silver" width="50px" , 1720 , style="color:silver" width="50px" , 1810 , style="background:#EDA584; color:black" width="50px" , 1929
diesel , style="background:#EDA584; color:black" width="50px" , 1995
OHV

Applications

List of vehicles using variations of the Fiat 124-series engine (incomplete).

Fiat

;OHV *

: 1966-1974 *

Mirafiori: 1974-1981 (longer for the Weekend/Estate) *

Fiat 238 The Fiat 238 was a van produced by the Italian automotive production firm Fiat from 1967 through 1983. The van was introduced in 1967 as the logical successor for the Fiat 1100T. The 238 was based on the chassis of the Autobianchi Primula and had ...

: 1966-1976 (CR 7.7 Normale, CR 9.2 Super) * Abarth 1300 Scorpione: 1969-1971 ;SOHC *

Mirafiori: 1981-1984 *

: 1985-1991 ;Diesel engine *

Fiat Uno The Fiat Uno is a supermini manufactured and marketed by Fiat. Launched in 1983, the Uno was produced over a single generation (with an intermediate facelift, 1989) in three and five-door hatchback body styles until 1995 in Europe — and un ...

: 1986-1995 (Europe) *

Fiat Ritmo The Fiat Ritmo is a small, front-engine, front-wheel drive family car manufactured and marketed by Fiat, launched in April 1978 at the Turin Motor show and offered in 3- and 5-door hatchback and cabriolet body styles – from 1978 to 1988 with t ...

: 1985-1988 *

Fiat Regata The Fiat Regata is an automobile produced by Italian automaker Fiat from 1983 until 1990. The Regata name was used for the sedan and station wagon versions of the Fiat Ritmo hatchback, corresponding to the post-facelift Ritmo. The Regata was off ...

: 1984-1990 *

Fiat Fiorino The Fiat Fiorino is a small commercial vehicle produced by the Italian car manufacturer Fiat since 1977. Its first two generations have been the panel van derivatives of other small models, such as the Fiat 127 and Fiat Uno, while the current thi ...

: 1988-1999 *

Fiat Duna The Fiat Duna (Type 155) is a small car produced by Fiat in Argentina and Brazil, where it was sold as Fiat Prêmio. Launched in 1985 in Brazil, the Duna/Prêmio is based on the Brazilian Fiat Uno, but unlike the Uno, it was a two-door sedan. The ...

: 1987-1991 *

Fiat Ducato The Fiat Ducato is a light commercial vehicle jointly developed by FCA Italy and PSA Group (currently Stellantis), and mainly manufactured by Sevel, a joint venture between the two companies since 1981. It has also been sold as the Citroën C25, ...

: 1987-1999 *

: 1988-1997 *

Fiat Tipo The Fiat Tipo (Type 160) is a compact car, designed by the I.DE.A Institute design house, and produced by the Italian manufacturer Fiat between 1988 and 1995. The Tipo was initially available only as a five-door hatchback. The car was made entir ...

: 1988-1995 *

Fiat Tempra The Fiat Tempra (Type 159) is a small family car produced by the Italian automaker Fiat from 1990 to 1996 in Italy. The Tempra was intended as a replacement for the Fiat Regata. The original project was called ''Tipo 3'', being a mid size car be ...

: 1990-1997 *

Fiat Bravo/Brava The Fiat Bravo and Fiat Brava (Type 182) are small family cars produced by the Italian automaker Fiat from 1995 to 2003 (2001 in Europe). They were effectively two versions of the same car: the Bravo, a three-door hatchback, and the Brava, a fi ...

: 1995-1997 *

Lancia Delta The Lancia Delta is a small family car produced by Italian automobile manufacturer Lancia in three generations. The first generation (1979-1994) debuted at the 1979 Frankfurt Motor Show, the second generation (1993-1999) debuted at the 1993 Genev ...

: 1986-1991 *

Lancia Prisma 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 Giugi ...

: 1984-1989 *

Lancia Dedra The Lancia Dedra (Type 835) is a compact executive car produced by the Italian automaker Lancia from 1989 to 1999. It was initially designed to support, and later to replace, the Prisma that, six years after its launch, was having difficulty rema ...

: 1989-1999

SEAT

;OHV *

SEAT 131 The SEAT 131 is a rebadged Fiat 131, a mid-size family car, produced by the Spanish car manufacturer SEAT from 1975 to the middle of 1984. The SEAT 131 was presented in May 1975 in the Barcelona Motor Show. With SEAT having formed a partnership ...

Mirafiori *

SEAT Ritmo The Fiat Ritmo is a small, front-engine, front-wheel drive family car manufactured and marketed by Fiat, launched in April 1978 at the Turin Motor show and offered in 3- and 5-door hatchback and cabriolet body styles – from 1978 to 1988 with t ...

: 1980-1983 *

SEAT Ronda The SEAT Ronda (codenamed ''022A'') was a small family car produced by the Spanish automaker SEAT from 1982 to 1986, and styled by Rayton Fissore in collaboration with the Technical Centre in Martorell. The Ronda was also briefly sold in the Unit ...

: 1982-1984

Footnotes

{{Reflist

SOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

Straight-four engines Gasoline engines by model