Lancia V4 engine
motor vehicle engine
Italian automobile company Lancia was the first to manufacture cars with V4 and V6 engines in series-production. This started with a number of V4-engine families, that were produced from the 1920s through 1970s.
The Lancia V4 pioneered the narrow-angle V engine design, more recently seen in Volkswagen's VR5 and VR6 engines which VW called a shortened inline engine. By using very shallow V-angles — between 10° and 20° — both rows of cylinders could be housed in an engine block with a single cylinder head, like a straight engine. A determining characteristic was the use of overhead camshafts (either single or double), in which a camshaft would serve the same function for all cylinders — in both cylinder banks.
Lambda
The first V4 was used in the Lambda from 1922 through 1931. It was a 20° narrow-angle aluminium design. All three engine displacements shared the same long 120 mm (4.72 in) stroke, and all were SOHC designs with a single camshaft serving both banks of cylinders.
Engines:
2.1 L (2,119 cc) 75 mm (2.95 in), 49 PS (36 kW; 48 hp) at 3250 rpm
2.4 L (2,370 cc) 79.37 mm (3.12 in), 59 PS (43 kW; 58 hp) at 3250 rpm
2.6 L (2,568 cc) 82.55 mm (3.25 in), 69 PS (51 kW; 68 hp) at 3500 rpm
Artena
The Lambda engine was updated for the Artena. Bore was set at 82.55 mm (3.25 in) as in the 2.6 L Lambda, but stroke was reduced to a more conventional 90 mm (3.54 in).
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