Chevrolet Indy V6

{{Infobox automobile engine

|name=Ilmor Indy V-6

|image=

|manufacturer=Ilmor

|production=2012–present

|configuration=V-6 engine, 90° cylinder angle

|displacement={{convert|2199|cc|L|1|abbr=on|order=flip}}

|bore= {{convert|95|mm|in|1|lk=on|abbr=on}}

|stroke={{convert|51.7|mm|in|0|lk=on|abbr=on}}

|block=Aluminum alloy

|head=Aluminum alloy

|valvetrain=24-valve, DOHC, four-valves per cylinder

|turbocharger=Twin-turbocharged

|power=550-735 hp (410-548 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track.){{Cite web|url=https://www.chevrolet.com/index/vehicle-groups/performance-pages/chevy-motorsports/indycar.html|title=Chevy Racing & Motorsports: IndyCar Drivers & Schedule|website=Chevrolet}}

|torque=Approx. {{convert|302-370|lb.ft|N.m|0|lk=on|abbr=on}} @ 8000 rpm

|lubrication=Dry sump

|weight={{Convert|248|lb|kg|0|lk=on|abbr=on}} excluding clutch, ECU, fluids, turbocharger

|fuelsystem=Direct-indirect fuel-injection combination

|management=MES TAG-400i

|fueltype=E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019–2022)
E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023–present)

|oilsystem=Dry sump

|predecessor=Chevrolet Indy V8 (2002–2005)

|successor=

|similar=Honda Indy V6

}}

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.{{cite news |title =Chevrolet to return to IndyCar series in 2012 |publisher=usatoday.com |url =http://usatoday30.usatoday.com/sports/motor/indycar/2010-11-11-chevrolet-engines-2012_N.htm |first=Curt|last=Cavin|accessdate=2010-10-12 |date=2010-10-12}}