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Chevrolet Indy V6

Chevrolet Indy V6
Chevrolet/Ilmor
2012–present
V6 engine, 90° cylinder angle
2.2 L (2,199 cc)
95 mm (3.7 in)
51.7 mm (2 in)
Aluminum alloy
Aluminum alloy
24-valve, DOHC, four-valves per cylinder
Twin-turbocharged
Direct-indirect fuel-injection combination
MES TAG-400i
E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019–2022)E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023–present)
Dry sump
550-735 hp (410-548 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track.)
Approx. 302–370 lb⋅ft (409–502 N⋅m) @ 8000 rpm
248 lb (112 kg) excluding clutch, ECU, fluids, turbocharger
Chevrolet Indy V8 (2002–2005)

The Chevrolet Indy V6 engine is a 2.2-liter, twin-turbocharged, V6 racing engine, developed and produced by Chevrolet in partnership with Ilmor Engineering for the IndyCar Series. Chevrolet has been a highly successful IndyCar Series engine supplier, 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. As of 2026, they supply engines to A. J. Foyt Enterprises, Arrow McLaren, Ed Carpenter Racing, Juncos Hollinger Racing, and Team Penske teams.

  • Engine type: Chevrolet V6 - twin-turbocharged

  • Capacity: 2.2 L (134 cu in)

  • HP rating (speedway / 1.5-mile oval / road-street course): 575 hp (429 kW) / 625 hp (466 kW) / 675 hp (503 kW)

  • 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 (19 psi) / 1.4 bar (20 psi) / 1.5–1.6 bar (22–23 psi) / 1.65 bar (24 psi)

  • Camshafts: Double-overhead camshafts

  • Valve actuation: Finger-follower

  • Valve springs: Wire-type

  • Cylinder head: 4 valves (titanium) per cylinder

  • Fuel injection: Astemo/Bosch 6x direct in-cylinder fuel. Astemo/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

  • Dallara DW12

  • Chevrolet on IndyCar.com website

  • Chevrolet Motorsport's Official Website

  • Chevrolet IndyCar official website on chevrolet.com

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