gear gear gear

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Motore FIAT tipo 103 - 1100 TV
1956 - 1957



The engine type 103 was mass-produced by FIAT in the 1950s for a large variety of the 1100/103 automobiles and for derived models, such as light truck.

Technical specifications

ManufacturerFIAT, Turin, Italy, from 1956 to 1957
Descriptioninline 4-cylinder engine, cylinder block made of cast iron with 3 main bearings, aluminium alloy head
Stroke75 mm
Bore68 mm
Displacement1089 cm³
Compression ratio8.0
Power53 hp at 5400 rpm
Torque71 Nm at 3600 rpm
Specific power48.7 hp/litre
Valvetrain system2 overhead valves per cylinder, operated by pushrods and rocker arms drived by a camshaft housed in the crankcase
Fuel feeding systemwith a twin-barrel gasoline Weber carburetor DCD 28/36
Ignition systemwith one spark plug per cylinder fed by an inductive discharge system with a high-voltage Magneti Marelli distributor
Cooling systemliquid-fed by a centrifugal pump
Lubrication systemforced by a gear pump, with an oil cooler


FIAT 1100/103 (saloon, spider et al.)

Testi e immagini di Giuseppe Genchi
Sito realizzato da Pasquale Pillitteri