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| 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) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | SOHC/DOHC 60° 2/4 valves x cylinder, respectively |
| Compression ratio | 8.0:1 – 10.5:1 |
| Combustion | |
| Turbocharger | Mitsubishi TD 05H (164)[1] Garrett T25 (GTV,166)[2][3] |
| Fuel system | 6 Dell'Orto carburetors Fuel injection |
| Management | Bosch L-Jetronic and Motronic |
| Fuel type | Petrol |
| Oil system | Wet sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 97–184 kW (132–250 PS) |
| Specific power | 66.1 PS (48.6 kW; 65.2 hp)/L-78.6 PS (57.8 kW; 77.5 hp)/L n/a 105.2 PS (77.4 kW; 103.8 hp)/L turbo |
| Torque output | 178–300 N⋅m (131–221 lb⋅ft) |
| Dimensions | |
| Dry weight | 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 |
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]
- ^ "1991 Alfa Romeo 164 V6 Turbo". carfolio.com/. Retrieved 2009-06-25.
- ^ "1997 Alfa Romeo GTV 2.0 Turbo". www.carfolio. Retrieved 2009-06-25.
- ^ "1998 Alfa Romeo 166 2.0 V6 Turbo". carfolio.com. Retrieved 2009-06-25.
- ^ EPER (version 5.8.0) parts catalogue
- ^ Complete Handbook of Automotive Power Trains, Jan Norbye, 1981
- ^ "Last run wins King of the Mountain". iol.co.za. 2006. Retrieved 2012-06-10.
- ^ "Hawk HF2000/HF3000 Series". hawkcars.co.uk. Retrieved 2009-04-05.
- ^ "DAX Rush Specifications". daxbenelux.com. Archived from the original on 2009-02-27. Retrieved 2009-04-05.
- ^ "Gillett Vertigo Streiff: A body to match its Alfa Romeo heart". autoblog.com. Retrieved 2009-04-05.
- ^ "LANCIA AURELIA B20GT OUTLAW" (PDF). thornleykelham.com. Retrieved 5 September 2024.
- ^ EVO Magazine August 2011 page 77
- ^ Licata, Matteo (2021-03-24). "The Story Of Alfa's Violin". Roadster Life. Retrieved 2022-12-05.
- ^ ICE PROFI: Engo 270 SX | ICE PROFI, accessdate: 26. October 2019