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Video Alfa Romeo
Video History
Video 2014 Giulietta Sprint
Video 2013 4C
Video 2010 Giulietta
Video 2008 MiTo
Video 2007 Alfa 8C Spider
Video 2003 147 GTA
Video 2000 147
Video 1980 Alfa GTV 6
Video 1974 Alfetta GT
Video 1972 Junior Z
Video 1972 Alfetta
Video 1972 Engine-Alfasud
Video 1972 Alfasud
Video 1970 Montreal
Video 1968 Carabo prototype
Video 1967 33 Stradale
Video 1967 T33
Video 1967 F 12
Video 1966 Duetto Spider
Video 1965 Giulia GTA
Video 1963 Giulia Sprint
Video 1962 2600 Sprint
Video 1962 Giulia Super
Video 1960 Giulietta Spri. Zagato
Video 1958 Giulietta Spr. Speziale
Video 1955 1900 Super Berlina
Video 1954 Giulietta Spider
Video 1954 Giulietta Sprint
Video 1954 Giuletta TI
Video 1951 159
Video 1950 1900
Video 1938 12 C
Video 1935 8C 2,9
Video 1931 Cabrio 8C 2,3
Video 1931 6C 1750
Video 1931 8C 2,6
Video 1930 Grand Sport Motor
Video 1930 6C Grand Sport
Video 1924 P2
Video 1924 RM Sport
Video 1920 20-30 ES
Video 1914 La Bomba
Video 1913 40/60 HP
Video 1911 15 HP
Video 1910 24 HP
Video 1908 Darracq

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Alfasud - Motor

Alfasud 1,2 / TI
Displacement1186 cm³
Bore * stroke80 * 59 mm
Engine control2 OHC (2 toothed belts)
Valves2 per cyl. (parallel)
Cooling systemFluid
Mixture preparationCarburetor
Power46 kW (63 HP)
Rated speed6000 rpm

Front-wheel drive in an Alfa Romeo is new. And an opposed cylinder engine in series production is new, too. This engine reflects a combination of simplicity and elegance. The engine displays a three bearing crankshaft with counterbalances which are not standard at that time with for the opposed cylinder engine. This does not account for the Heron pistons and the valves, all in one row. Above of them, there is one camshaft per cylinder bank with toothed belt drive and unusual valve timing with a self-locking allen screw between the double cams.
For the future, the cylinder heads offer an admittance canal per cylinder and enough space for later drilling out. The right cylinder bank was moved somewhat to the back to create space for the coolant pump, driven by the crankshaft via a V-belt. The distributor on the left next to the oil filler socket is driven directly by the crankshaft, just like the oil pump. Up to here everything is wonderfully compact.
Picture number 2 shows the additional aggregates, making the engine clearly higher. There is the starter in the back, and the generator in front; and the induction pipe and the thermostat housing. Most height devour the single venture carburetor and the air filter. Nevertheless, the opposed cylinder engine versus in-line engine has advantages, because the heaviest engine parts are arranged low level, including the cylinder heads, a good condition for easy controllable driving.
Picture number 3 reveals how very short the opposed cylinder engine really is, allowing the center of gravity of the complete car to be somewhat away from the front axle towards the middle of the car. Remarkable is the mounting on top in the middle.               Top of page               Index
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