Chevrolet Indy V6

Chevrolet Indy V6
Overview
Manufacturer	Ilmor-Chevrolet
Production	2012-present
Combustion chamber
Configuration	V6 engine, 90° cylinder angle
Displacement	2,200 cc (2.2 L; 134.3 cu in)
Cylinder bore	95 mm (3.7 in)
Cylinder block alloy	Aluminum alloy
Cylinder head alloy	Aluminum alloy
Valvetrain	24-valve, DOHC, four-valves per cylinder
Combustion
Turbocharger	Twin-turbocharged
Fuel system	Direct fuel injection
Management	MES TAG-400i
Fuel type	E85 Ethanol provided by Sunoco
Oil system	Dry sump
Output
Power output	550-700 hp (410-522 kW) depending on variable turbo boost used at track @ 10500-12200 rpm
Torque output	Approx. 410 N·m (302 ft·lbf) @ 8000 rpm
Dimensions
Dry weight	248 lb (112 kg) excluding clutch, ECU, fluids, turbocharger
Chronology
Predecessor	Chevrolet Indy V8 (2002-2005)

The Chevrolet Indy V6 engine is a 2.2-litre Twin-turbocharged V6, developed and produced by Ilmor Engineering-Chevrolet for IndyCar Series. Chevrolet Indy V6 is a highly-success IndyCar Series engine supplier from 2012 to present, scoring 33 IndyCar wins, 35 pole positions, 2 IndyCar Series driver's titles and 3 IndyCar Series manufacturer's titles. On November 12, 2010, Chevrolet was confirmed IndyCar Series return for 2012 season after 6-year absence and designing, developing, assemblying twin-turbo V6 Chevrolet IndyCar engine in partnership with Ilmor Engineering and thus supplying Andretti Autosport, Dragon Racing, Dreyer & Reinbold Racing, Ed Carpenter Racing, KV Racing Technology, Panther Racing, Team Penske, Chip Ganassi Racing and Lazier Partners Racing teams.^[1]

Specifications

Engine type: Chevrolet V6 - twin-turbocharged
Capacity: 2,200 cc (134 cu in)
HP rating (speedway / 1.5-mile oval / road-street course): 575 hp / 625 hp / 675 hp
Max RPM: 12000 rpm; 12200 rpm overtake
Weight: 112.5 kg (248 pounds)
Oil system: Dry sump lubrication
Turbocharger: Twin - BorgWarner EFR7163
Turbocharger boost levels (speedway / 1.5-mile oval / road-street course): 1.3 bar / 1.4 bar / 1.5 bar & 1.6 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: 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: Aluminium
Crankshaft: Billet steel
Con rods: Billet steel
Pistons: Billet aluminium
Intake systems: Single plenum - carbon-fibre
Throttle systems: Electronic throttle control
Electronic control unit: McLaren Electronics - TAG-400I
Engine service life: 2500-2850 miles
Gear shift: Steering wheel mounted paddle shift

↑ Cavin, Curt (2010-10-12). "Chevrolet to return to IndyCar series in 2012". usatoday.com. Retrieved 2010-10-12.

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