auto.wikisort.org - Engine

The Honda Indy V6, officially called the Honda HI12TT/R,[2] is a 2.2-liter, twin-turbocharged, V-6 engine racing engine, developed and produced by HPD-AHM Co., which has been used in the IndyCar Series since 2012.[3][4][5]

Honda Indy V6 engine
Overview
Manufacturer	/ HPD-AHM Co.
Production	2012-present
Layout
Configuration	V-6 engine, 90° cylinder angle
Displacement	2,200 cc (134 cu in)
Cylinder bore	95 mm (3.7 in)
Block material	Aluminum alloy
Head material	Aluminum alloy
Valvetrain	24-valve, DOHC, four-valves per cylinder
Combustion
Turbocharger	Twin-turbocharged
Fuel system	Direct-indirect fuel-injection combination
Management	MES TAG-400i
Fuel type	E85 Ethanol provided by Sunoco
Oil system	Dry sump
Output
Power output	550-750 hp (410-560 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track)[1]
Torque output	Approx. 410–502 N⋅m (302–370 ft⋅lbf) @ 8000 rpm
Dimensions
Dry weight	248–250 lb (112–113 kg) excluding clutch, ECU, fluids, turbocharger
Chronology
Predecessor	Honda Indy V8 (2003–2011)

Specifications

• Engine type: Honda V-6 - twin-turbocharged
• Capacity: 2,200 cc (134 cu in)
• HP rating: 550–750 hp (410–559 kW) (depending on turbo boost pressure used at track)[6][7]
• Max. RPM/Rev limiter: 12,000 rpm; 12,200 rpm (overtake; push-to-pass)
• Weight: 248–250 lb (112–113 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: Keihin 6x direct in-cylinder fuel. Keihin 6x high pressure port injectors
• Fuel: Sunoco E85 (85% Ethanol, 15% racing gasoline)
• 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

References

External links

• Honda Performance Development official website
• IndyCar Series official website

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