auto.wikisort.org - EngineThe 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, Harding Racing, Juncos Racing, Lazier Partners Racing, and Team Penske teams.[2]
Motor vehicle engine
| Chevrolet Indy V-6 |
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| Manufacturer | Ilmor-Chevrolet |
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| Production | 2012-present |
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| Configuration | V-6 engine, 90° cylinder angle |
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| Displacement | 2,200 cc (134 cu in) |
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| Cylinder bore | 95 mm (3.7 in) |
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| Block material | Aluminum alloy |
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| Head material | Aluminum alloy |
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| Valvetrain | 24-valve, DOHC, four-valves per cylinder |
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| Turbocharger | Twin-turbocharged |
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| Fuel system | Direct-indirect fuel-injection combination |
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| Management | MES TAG-400i |
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| Fuel type | E85 Ethanol provided by Sunoco |
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| Oil system | Dry sump |
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| Power output | 550-735 hp (410-548 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track.)[1] |
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| Torque output | Approx. 302–370 lb⋅ft (409–502 N⋅m) @ 8000 rpm |
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| Dry weight | 248 lb (112 kg) excluding clutch, ECU, fluids, turbocharger |
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| Predecessor | Chevrolet Indy V8 (2002–2005) |
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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)/Peak Motor Oil (other Chevrolet-powered teams)
- 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
External links
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