| Ilmor Indy V-6 | |
|---|---|
| Overview | |
| Manufacturer | Ilmor |
| Production | 2012–present |
| Layout | |
| Configuration | V-6 engine, 90° cylinder angle |
| Displacement | 2.2 L (2,199 cc) |
| Cylinder bore | 95 mm (3.7 in) |
| Piston stroke | 51.7 mm (2 in) |
| Cylinder block material | Aluminum alloy |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 24-valve, DOHC, four-valves per cylinder |
| Combustion | |
| Turbocharger | Twin-turbocharged |
| Fuel system | Direct-indirect fuel-injection combination |
| Management | MES TAG-400i |
| Fuel type | E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019–2022) E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023–present) |
| Oil system | Dry sump |
| Output | |
| Power output | 550-735 hp (410-548 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track.) [1] |
| Torque output | Approx. 302–370 lb⋅ft (409–502 N⋅m) @ 8000 rpm |
| Dimensions | |
| Dry weight | 248 lb (112 kg) excluding clutch, ECU, fluids, turbocharger |
| Chronology | |
| Predecessor | Chevrolet Indy V8 (2002–2005) |
The ILMOR-Chevrolet Indy V6 engine is a 2.2-liter, twin-turbocharged, V-6 racing engine, developed and produced by Ilmor Engineering for the IndyCar Series. Chevrolet has been a highly successful IndyCar Series engine supplier since 2012, scoring 100 IndyCar wins, 35 pole positions, 7 IndyCar Series driver's titles and 7 IndyCar Series manufacturer's titles. On November 12, 2010, Chevrolet confirmed their return to the IndyCar Series 2012 season after 6-year absence. They design, develop, and assemble the twin-turbo V6 Chevrolet IndyCar engine in partnership with Ilmor Engineering, and supply engines to A. J. Foyt Enterprises, Dreyer & Reinbold Racing, Ed Carpenter Racing, Juncos Hollinger Racing, Arrow McLaren and Team Penske teams. [2]