Chevrolet_Indy_V6

Chevrolet Indy V6

Chevrolet Indy V6

Reciprocating internal combustion engine

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.[2]

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Specifications

  • Engine type: Chevrolet V-6 - twin-turbocharged
  • Capacity: 2,200 cc (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: Hitachi/Bosch 6x direct in-cylinder fuel. Hitachi/Bosch 6x high pressure port injectors
  • Fuel: Sunoco E85 (85% Ethanol, 15% racing gasoline)
  • 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

References

  1. [1]
    "Chevy Racing & Motorsports: IndyCar Drivers & Schedule". Chevrolet.
  2. [2]
    Cavin, Curt (2010-10-12). "Chevrolet to return to IndyCar series in 2012". usatoday.com. Retrieved 2010-10-12.
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