Chevrolet Indy V6

The Chevrolet Indy V6 engine is a 2.2-liter, twin-turbocharged, V-6 racing engine, developed and produced by Ilmor Engineering-Chevrolet 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.

Specifications

 * Engine type: Chevrolet V-6 - twin-turbocharged
 * Capacity: 2200 cc
 * HP rating (speedway / 1.5-mile oval / road-street course): 575 hp / 625 hp / 675 hp
 * Max. RPM/Rev limiter: 12,000 rpm; 12,200 rpm overtake
 * Weight: 248 lbs. (112.5 kg)
 * Oil system: Dry-sump lubrication
 * Turbocharger: Twin - BorgWarner EFR7163
 * Turbocharger boost levels (speedway / 1.5-mile oval / road-street course / push-to-pass): 1.3 bar / 1.4 bar / 1.5-1.6 bar / 1.65 bar
 * Camshafts: Double-overhead camshafts
 * Valve actuation: Finger-follower
 * Valve springs: Wire-type
 * Cylinder head: 4 valves (titanium) per cylinder
 * Fuel injection: Hitachi/Bosch 6x direct in-cylinder fuel. Hitachi/Bosch 6x high pressure port injectors
 * Fuel: E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019-2022), E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023-present)
 * Lubricants: Shell Helix Ultra or Pennzoil Ultra Platinum (Team Penske and rest of teams) and Lucas Oil (Arrow McLaren)
 * Block & head material: Aluminum
 * Crankshaft: Billet steel
 * Con rods: Billet steel
 * Pistons: Billet aluminum
 * Intake systems: Single plenum - carbon-fiber
 * Throttle systems: Electronic throttle control
 * Electronic control unit: McLaren Electronics - TAG-400I
 * Engine service life: 2,500–2,850 miles
 * Gearbox: Sequential gearbox, paddle-shift

Applications

 * Dallara IR-12