| Mecachrome V634 engine | |
|---|---|
 | |
| Overview | |
| Manufacturer |  Mecachrome (in collaboration with Teos Engineering) |
| Production | 2015–present |
| Layout | |
| Configuration | 95° V6 |
| Displacement | 3.396 L (207 cu in) |
| Cylinder bore | 96 mm (3.78 in) |
| Piston stroke | 78.2 mm (3.08 in) |
| Cylinder block material | Aluminum alloy |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 24-valve, DOHC, four-valves per cylinder |
| Combustion | |
| Turbocharger | Naturally-aspirated (Formula 3), single-turbocharged (Formula 2 and World Endurance Championship) |
| Fuel system | Gasoline direct fuel injection |
| Management | Magneti Marelli Marvel 8 ECU/GCU including data logging system |
| Fuel type | Elf LMS 89.6/99.6/101.6/102 RON (2016-2022) unleaded later Aramco (2023-present) sustainable fuels |
| Oil system | Dry sump |
| Output | |
| Power output | 380–650 hp (283–485 kW) |
| Torque output | 250–490 lb⋅ft (339–664 N⋅m) |
| Dimensions | |
| Dry weight | 291 lb (132 kg) |
| Chronology | |
| Predecessor | Mecachrome V8108 GP2 V8 |
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The Mecachrome V634 engine (also known as Mecachrome Formula 2 V6) is a 3.4-litre, turbocharged or naturally-aspirated, V6 racing engine, designed, developed and produced by Mecachrome, and is used in the FIA Formula 2 Championship, FIA Formula 3 Championship, and the World Endurance Championship.[1][2][3][4]
- ^ "Mecachrome LMP1 engine tech specs released". Racer.com. 15 December 2017. Retrieved 12 November 2021.
- ^ "Formula 2". Fiaformula2.com. Retrieved 12 November 2021.
- ^ "FIA Formula 3 car unveiled in Abu Dhabi". Fia.com. 22 November 2018. Retrieved 12 November 2021.
- ^ "Mecachrome Releases Technical Details For LMP1 Engine". Dailysportscar.com. Retrieved 12 November 2021.