For current Alfa Romeo V6 engine, see Alfa Romeo 690T engine.
Reciprocating internal combustion engine
Alfa Romeo V6 engine
Alfa Romeo 3.0 V6 24V
Overview
Manufacturer
Alfa Romeo (1979-1986) Alfa Lancia Industriale (1987-1991) Fiat Auto (1991-2005)
Designer
Giuseppe Busso
Also called
Alfa Romeo V6 Busso
Production
1979–2005
Layout
Configuration
60° V6
Displacement
2.0 L; 121.8 cu in (1,996 cc) 2.5 L; 152.1 cu in (2,492 cc) 2.8 L; 169.9 cu in (2,784 cc) 2.9 L; 179.0 cu in (2,934 cc) 3.0 L; 180.6 cu in (2,959 cc) 3.2 L; 194.0 cu in (3,179 cc)
Cylinder bore
80 mm (3.15 in) 88 mm (3.46 in) 93 mm (3.66 in)
Piston stroke
66.2 mm (2.61 in) 68.3 mm (2.69 in) 72 mm (2.83 in) 72.6 mm (2.86 in) 78 mm (3.07 in)
2.5 V6 135 kg (298 lb) (without ancillaries)[4] 375 lb (170 kg) Alfa Romeo SOHC V6[5]
Chronology
Predecessor
Alfa Romeo straight-6
Successor
JTS engine
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2.0L V6 12V Turbo from Alfa Romeo 166
The Alfa Romeo V6 engine (also called the Busso V6) is a 60° V6 engine made by Alfa Romeo from 1979 to 2005. It was developed in the early 1970s by Giuseppe Busso, and first used on the Alfa 6 with a displacement of 2.5 L (2,492 cc) and a SOHC 12-valve cylinder head. Later versions ranged from 1,996 to 3,179 cc (1.996 to 3.179 L) and had DOHC 24-valve valvetrains. The original design had short pushrods for the exhaust valves in a design similar to earlier Lancia Fulvia engines. The first DOHC version was in the 1993 Alfa Romeo 164, with an aluminium alloy engine block and head with sodium filled exhaust valves.
The Alfa Romeo V6 has been used in kit cars like the Ultima GTR, Hawk HF Series, and DAX,[6][7][8] as well as the Gillet Vertigo sports car [9] and the Lancia Aurelia B20GT Outlaw.[10] In August 2011 EVO magazine wrote that "the original Alfa Romeo V6 was the most glorious-sounding six-cylinder road engine ever,"[11] and has been called the "Violin of Arese" or "Alfa's Violin".[12] The Alfa Romeo V6 engine has also been used in ice resurfacer made by engo Ltd. in Italy.[13]
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