Honda Indy V6 Explained

Honda Indy V6 engine
Manufacturer:	/ HPD-AHM Co.
Production:	2012–present
Configuration:	V-6 engine, 90° cylinder angle
Displacement:	2199cc
Bore:	95mm
Stroke:	51.7mm
Block:	Aluminum alloy
Head:	Aluminum alloy
Valvetrain:	24-valve, DOHC, four-valves per cylinder
Turbocharger:	Twin-turbocharged
Power:	550-750 hp (410-560 kW) @ 10,500-12,200 rpm (depending on variable turbo boost used at track)^[1]
Torque:	Approx. NaNNm @ 8000 rpm
Lubrication:	Dry-sump
Weight:	NaNlb excluding clutch, ECU, fluids, turbocharger
Fuelsystem:	Direct-indirect fuel-injection combination
Management:	MES TAG-400i
Fueltype:	E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019-2022) E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023-present)
Oilsystem:	Dry sump
Predecessor:	Honda Indy V8 (2003–2011)
Similar:	Chevrolet Indy V6

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]}

Specifications

• Engine type: Honda V-6 - twin-turbocharged
• Capacity: 2200cc
• HP rating: NaNhp (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: NaNlb
• Oil system: Dry-sump lubrication
• Turbocharger: Twin - BorgWarner EFR7163
• Turbocharger boost levels (speedway / 1.5-mile oval / road-street course / push-to-pass): 1.3bar / 1.4bar / NaNbar / 1.65bar
• 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: E85 Ethanol provided by Sunoco (2012–2018) and Speedway (2019-2022), E100 Renewable Ethanol provided by Shell V-Power Nitro+ (2023-present)
• 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

External links

• Honda Performance Development official website
• IndyCar Series official website

Notes and References

1. Web site: Honda IndyCar Racing - A Look Inside a Tiny V6 That Makes 700+ Horsepower | Honda Parts Online.
2. Web site: Car Specifications | INDYCAR SERIES.
3. Web site: Honda IndyCar Racing - A Look Inside A Tiny V6 That Makes 700+ Horsepower Honda Parts Online. 2021-10-18. www.hondapartsonline.net.
4. Web site: Honda Motorsports. 2021-10-18. hpd.honda.com. en.
5. Web site: Silvestro. Brian. 2019-06-19. How Modern IndyCars Make So Much Power From Such Tiny Engines. 2021-10-18. Road & Track. en-US.
6. Web site: NTT IndyCar Series Car Specifications. IndyCar.com. 2020-12-05. 2020-07-25. https://web.archive.org/web/20200725080159/https://www.indycar.com/Fan-Info/INDYCAR-101/The-Car-Dallara/IndyCar-Series-Chassis-Specifications. dead.
7. Web site: Car Specifications | INDYCAR SERIES.