Chevrolet Indy V6

Ilmor Indy V-6
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.)
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)

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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]