Mitsubishi 6A1 engine
The Mitsubishi 6A1 engine is a series of piston V6 engines from Mitsubishi Motors, found in their small and medium vehicles through the 1990s. They ranged from 1.6 to 2.5 L (1,597 to 2,498 cc) in size, and came with a variety of induction methods and cylinder head designs and configurations.
| Mitsubishi 6A1 engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mitsubishi Motors |
| Production | 1992–2009 |
| Layout | |
| Configuration | V6 engine |
| Displacement | 1.6 to 2.5 L (1,597 to 2,498 cc) |
| Cylinder bore | 73 mm (2.87 in) 75 mm (2.95 in) 78.4 mm (3.09 in) 81 mm (3.19 in) |
| Piston stroke | 63.6 mm (2.50 in) 69 mm (2.72 in) 80.8 mm (3.18 in) |
| Cylinder block material | Cast Iron |
| Cylinder head material | Aluminium alloy |
| Valvetrain | SOHC & DOHC 4 valves x cyl. with MIVEC (some versions) |
| Compression ratio | 8.5:1-10.4:1 |
| Combustion | |
| Turbocharger | Mitsubishi Heavy Industries TD03, TD025M-7G Eterna VR-4/ TD025L-7G (on some versions) |
| Fuel system | Multi-port fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 99–228 kW (135–310 PS; 133–306 hp) |
| Torque output | 147–363 N⋅m (108–268 lb⋅ft) |
Now out of production, the 1.6 L (1,597 cc) 6A10 is still the smallest modern production V6. The small displacement was offered so Japanese buyers could purchase a powerful engine, while reducing their annual road tax obligation.
6A10
- Displacement — 1.6 L (1,597 cc)
- Bore x Stroke — 73 mm × 63.6 mm (2.87 in × 2.50 in)
DOHC
- Engine type — V type 6-cylinder DOHC 24-valve
- Compression ratio — 10.0:1
- Fuel system — ECI multi
- Peak power — 103 kW (140 PS; 138 hp) at 7000 rpm
- Peak torque — 147 N⋅m (108 lb⋅ft) at 4500 rpm
Applications
- 1992–1994 Mitsubishi Mirage
- 1992–1998 Mitsubishi Lancer
6A11
- Displacement — 1.8 L (1,829 cc)
- Bore x Stroke — 75 mm × 69 mm (2.95 in × 2.72 in)
SOHC
- Engine type — V type 6-cylinder SOHC 24-valve
- Compression ratio — 9.5:1
- Fuel system — ECI multi
- Peak power — 99 kW (135 PS; 133 hp) at 6000 rpm
- Peak torque — 167 N⋅m (123 lb⋅ft) at 4500 rpm
Applications
- 1992–96 Mitsubishi Galant/Eterna/Emeraude
- 1995–98 Mitsubishi Mirage
6A12
6A12 MIVEC V6 fitted to a Mitsubishi FTO
- Displacement — 2.0 L (1,998 cc)
- Bore x Stroke' — 78.4 mm × 69 mm (3.09 in × 2.72 in)
DOHC
- Engine type — V type 6-cylinder DOHC 24-valve
- Compression ratio — 9.5:1, 10.0:1, 10.4:1
- Fuel system — ECI multi
- Peak power — 107–110 kW (145–150 PS; 143–148 hp) at 6000–6750
- Peak torque — 179–181 N⋅m (132–133 lb⋅ft) at 4000–4500
Applications
- 1992-1996 Mitsubishi Galant/Eterna/Emeraude
- 1992-1994 Mitsubishi Diamante
- 1994-2000 Mitsubishi FTO
- 1999-2010 Proton Perdana
- 2005-2009 Proton Waja Chancellor
DOHC & sports ECU
- Engine type — V type 6-cylinder DOHC 24-valve
- Compression ratio — 10.0:1
- Fuel system — ECI multi
- Peak power (1994–1996) — 127–132 kW (173–179 PS; 170–177 hp) at 7000 rpm
- Peak torque — 191 N⋅m (141 lb⋅ft) at 4000 rpm
Applications
- 1994–2000 Mitsubishi FTO
- 1992–1996 Mitsubishi Galant/Eterna/Emeraude
MIVEC
- Engine type — V type 6-cylinder DOHC 24-valve MIVEC
- Compression ratio — 10.0:1
- Fuel system — ECI multi
- Peak power — 147 kW (200 PS; 197 hp) at 7500 rpm
- Peak torque — 200 N⋅m (148 lb⋅ft) at 6500 rpm
Applications
- 1994–2000 Mitsubishi FTO
- 1993–2002 Mitsubishi Galant
DOHC Twin Turbo
- Engine Type — V Type 6-Cylinder QUADCAM 24-Valve
- Compression Ratio — 8.5:1
- Fuel System — ECI Multi
- Injector Size — 275 cc (16.8 cu in)
- Peak Power — 158–177 kW (215–241 PS; 212–237 hp) at 6000 rpm
- Peak Torque — 309 N⋅m (228 lb⋅ft) at 4000 rpm
- Turbocharger Model — Mitsubishi Heavy Industries TD025M-7G Eterna VR-4/ TD025L-7G Mitsubishi Galant Sports GT 1994
Applications
- 1994 Mitsubishi Galant Sports GT VR-4 TD025L-7G
- 1992–96 Mitsubishi Galant VR-4 — E84A
- 1992–96 Mitsubishi Eterna XX-4/GT — E84A
- 1994-1996 Mitsubishi Galant Sports GT (E50-E60-E70-E80)
Accelerations:
- 0-80 km/h (50 mph) (sec):4.3
- 0-100 km/h (62 mph) (sec):6.4
- 0-160 km/h (99 mph) (sec):15.6
- 0-200 km/h (120 mph) (sec):29
- 0-300 km/h (190 mph) (sec):
- 0-50 mph (80 km/h) (sec):4.4
- 0-60 mph (97 km/h) (sec):6.1
- 0-100 mph (160 km/h) (sec):15.8
- 0-150 mph (240 km/h) (sec):
- 0-200 mph (320 km/h) (sec):
6A13
- Displacement — 2.5 L (2,498 cc)
- Bore x Stroke — 81 mm × 80.8 mm (3.19 in × 3.18 in)
SOHC
- Engine type — V type 6-cylinder SOHC 24-valve
- Compression ratio — 9.0, 9.5:1
- Fuel system — ECI multi
- Peak power — 120–129 kW (163–175 PS; 161–173 hp) at 5750 rpm
- Peak torque — 223–230 N⋅m (164–170 lb⋅ft) at 4500 rpm
Applications
- 1996–2003 Mitsubishi Galant/Legnum
- 2002–2005 Mitsubishi Diamante
Twin Turbo DOHC
- Engine Type — V Type 6-Cylinder DOHC 24-Valve
- Compression Ratio — 8.5:1
- Fuel System — MPI Mitsubishi ECI Multi
- Peak Power — 191–228 kW (260–310 PS; 256–306 hp) at 5500 rpm
- Peak Torque — 343–367 N⋅m (253–271 lb⋅ft) at 4000 rpm
- Turbocharger Model — Mitsubishi TD03-7T
- Injector Size — 390 cc (24 cu in)
Applications
Accelerations:
- 0-80 km/h (50 mph) (sec):3.7
- 0-100 km/h (62 mph) (sec):5.3
- 0-160 km/h (99 mph) (sec):13.3
- 0-200 km/h (120 mph) (sec):23.2
References
- "Engine Epic Part 8 - Mitsubishi Engines", Michael Knowling, Autospeed, issue 48, 21 September 1999
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