Alfa Romeo Flat-4 engine

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Alfa Romeo Twin Cam engine

Alfa Romeo developed a flat-4 engine for their new Alfasud, introduced in 1971.

1200

The original engine displaced 1.2 L (1186 cc) with a 80 mm bore and 59 mm stroke.

Applications:

• 1971-1983 Alfa Romeo Alfasud
• 1984-1986 Alfa Romeo Arna
• 1984-1986 Nissan Cherry Europe

1300

The engine was stroked (to 64 mm) to create the 1.3 L (1286 cc) version. This engine produced 75 hp (56 kW).

Applications:

• 1977-1983 Alfa Romeo Alfasud
• 1984-1986 Clan Clan II

1400

A rare version was the 1.4 L (1350 cc) variant.

Applications:

• 1978-1983 Alfa Romeo Alfasud

1500

From 1978 until 1987, the largest member of the family was the 1.5 L (1490 cc) "1500". It produced 85 to 105 hp (63 to 78 kW). This is the largest engine to be naturally found in Alfasuds and Sprints, though many have picked them up over subsequent years.

Applications:

• 1978-1983 Alfa Romeo Alfasud
• 1984-1986 Alfa Romeo Arna
• 1984-1986 Nissan Cherry Europe
• 198?-1993 Alfa Romeo 33

1700

In 1986 the engine was increased in size to 1712cc

1700 16V

In 1990 a quad cam 16 valve version of the venerable boxer was produced, it was the most powerful to date with 137bhp. Only available in fuel injected form, the 1.7 16V was equipped with the Bosh ML 4.1 system.

The last Alfa Romeo flat-4 was produced in 1995, a run of 24 years.

Years	Engine	Cylindrates
1954–1994	Twin Cam	1290, 1570, 1750, 1779, 1962
1992–present	TwinSpark	1.4, 1.6, 1.7, 1.8, 2.0
1971–1995	Flat-4	1186, 1286, 1350, 1490, 1712
1979–2006	V6	2.0, 2.5, 3.0, 3.2
2006–present	GM based V6	3.2