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Lancia V4 engine

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Lancia pioneered the V engine design, producing the first V6 as well as the first V4s. Several different V4 families were produced from the 1920s through 1960s.

Lambda

The first V4 was used in the Lambda from 1922 through 1931. It was a narrow-angle aluminum design. All three engine displacements shared the same long 120 mm (4.7 in) stroke, and all were SOHC designs with a single camshaft serving both banks of cylinders.

Engines:

  • 2,119 cc (75 mm), 49 hp (36.5 kW) at 3,250 rpm
  • 2,370 cc (79.37 mm), 59 hp (44 kW) at 3,250 rpm
  • 2,568 cc (82.55 mm), 69 hp (51.5 kW) at 3,500 rpm

Artena

The Lambda engine was updated for the Artena. Bore was set at 82.55 mm (3.3 in) as in the 2.6 L Lambda, but stroke was reduced to a more conventional 90 mm (3.5 in). Total displacement was 1,927 cc, with 55 hp (41 kW) produced at 4,000 rpm.

Augusta

An all-new V4 was designed for the Augusta. Produced from 1934 through 1938, the Augusta's engine displaced just 1,196 cc with a 69.85 mm (2.8 in) bore and 78 mm (3.1 in) stroke. Power output was 35 hp (26 kW) at 4,000 rpm.

Aprilia

The engine was redesigned again for 1936's Aprilia. The first-series cars used a 1,352 cc version with a 72 mm (2.8 in) bore and 82 mm (3.2 in) stroke. Output was 47 hp (35 kW) at 4,300 rpm.

A second series was unveiled for 1939 with an enlarged 1,486 cc engine. It did not share its predecessor's dimensions, with bore now at 74.61 mm (2.9 in) and stroke at 85 mm (3.3 in). Power output was nearly the same at 48 hp (36 kW).

Ardea

Tipo 100B engine in a 1952 Ardea

A small V4 (tipo 100) powered the compact 1939 Ardea. It was a 20° narrow-angle engine displacing just 903 cc. Bore and stroke were new again at 65 mm (2.6 in) by 68 mm, and output was just 28.8 hp (21.5 kW). For the 1949 tipo 100B power was increased to 30 hp (22 kW).

Appia

The V4 returned after the war with the 1953 Appia. It featured an even narrower 10° cylinder bank and just 1,090 cc of displacement. An initial 38 hp (28 kW) of power grew to 43 hp (32 kW) in 1956. 48 hp (36 kW) was available in 1959.

Fulvia

1.3 litre Lancia Fulvia V4 (1972)

Lancia's final V4 series were used in the Fulvia. Designed by Zaccone Mina, it used a narrow angle (13°) and was mounted well forward at a 45° angle. The engine was a true DOHC design with one camshaft operating all intake valves and another operating all exhaust valves.

Displacement began at just 1,091 cc with 59 hp (44 kW) with a 72 mm (2.8 in) bore and 67 mm (2.6 in) stroke. A higher (9.0:1) compression ratio raised power to 71 hp (53 kW) soon after.

The engine was bored to 6 mm (0.2 in) to enlarge engine displacement to 1,216 cc for the Coupé model. This, and some tuning, raised output to 80 hp (60 kW), furtherly enhanced up to 88 hp (66 kW) for the HF model.

The engine was reengineered with a slightly narrower bank angle and longer (69.7 mm) stroke for 1967. Three displacements were produced: 1,199 cc (74 mm bore), 1,231 cc (75 mm bore), and 1,298 cc (77 mm bore). The latter engine is most common, with the first unit only sold in Greece. Three level of performance were available: 87 hp (65 kW) for common 1.3 Liter (commonly imported in USA and described as "highly tuned" by Road & Track at the time); 90 hp (67 kW) for its 1.3s evolution and 101 hp (75 kW) for the Rallye HF.

The engine was redone again for a new HF with an even-narrower angle (11° now) and longer 75 mm (3.0 in) stroke for its final incarnation. A bore of 82 mm (3.2 in) gave it a displacement of 1,584 cc, and power shot up to 114 to 132 hp (85 to 98 kW) depending on tune.

External links

  • Lancisti.net - An Information Exchange and Support Community for Lancia Owners and Enthusiasts
  • "All about Lancia Fulvia". Fulvia Site. Retrieved March 10, 2005. 
  • James T. Crowe (ed) (1968). "Toyota 2000 GT". Road & Track Road Test Annual: 110–113. 


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