Honda Indy V6

{{Infobox automobile engine

|name=Honda Indy V6 engine

|manufacturer={{flagicon|USA}}/{{flagicon|Japan}} HPD-AHM Co.

|production=2012–present

|configuration=V-6 engine, 90° cylinder angle

|displacement={{convert|2199|cc|L|1|abbr=on|order=flip}}

|bore= {{convert|95|mm|in|1|lk=on|abbr=on}}

|stroke={{convert|51.7|mm|in|0|lk=on|abbr=on}}

|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){{Cite web|url=https://www.hondapartsonline.net/blog/honda-indycar-racing|title = Honda IndyCar Racing - A Look Inside a Tiny V6 That Makes 700+ Horsepower | Honda Parts Online}}

|torque=Approx. {{convert|410-502|Nm|ftlbf|0|lk=on|abbr=on}} @ 8000 rpm

|lubrication=Dry-sump

|weight={{Convert|248-250|lb|kg|0|lk=on|abbr=on}} 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)

|successor=

|similar=Chevrolet Indy V6

}}

The Honda Indy V6, officially called the Honda HI12TT/R,{{Cite web|url=https://honda.racing/indy-car-series/machines/car-specifications|title = Car Specifications | INDYCAR SERIES}} is a 2.2-liter, twin-turbocharged V6 racing engine, developed and produced by HPD-AHM Co., which has been used in the IndyCar Series since 2012.{{Cite web|title=Honda IndyCar Racing - A Look Inside A Tiny V6 That Makes 700+ Horsepower {{!}} Honda Parts Online|url=https://www.hondapartsonline.net/blog/honda-indycar-racing|access-date=2021-10-18|website=www.hondapartsonline.net}}{{Cite web|title=Honda Motorsports|url=https://hpd.honda.com/Motorsports/Indycar|access-date=2021-10-18|website=hpd.honda.com|language=en}}{{Cite web|last=Silvestro|first=Brian|date=2019-06-19|title=How Modern IndyCars Make So Much Power From Such Tiny Engines|url=https://www.roadandtrack.com/motorsports/a28101616/indycar-engines-explained/|access-date=2021-10-18|website=Road & Track|language=en-US}}

Specifications

  • Engine type: Honda V-6 - twin-turbocharged
  • Capacity: {{convert|2200|cc|cuin|0|lk=on|abbr=on}}
  • HP rating: {{convert|550-750|hp|kW|0|lk=on|abbr=on}} (depending on turbo boost pressure used at track){{Cite web|url=https://www.indycar.com/Fan-Info/INDYCAR-101/The-Car-Dallara/IndyCar-Series-Chassis-Specifications|title=NTT IndyCar Series Car Specifications|website=IndyCar.com|access-date=2020-12-05|archive-date=2020-07-25|archive-url=https://web.archive.org/web/20200725080159/https://www.indycar.com/Fan-Info/INDYCAR-101/The-Car-Dallara/IndyCar-Series-Chassis-Specifications|url-status=dead}}{{Cite web|url=https://honda.racing/indy-car-series/machines/car-specifications|title = Car Specifications | INDYCAR SERIES}}
  • Max. RPM/Rev limiter: 12,000 rpm; 12,200 rpm (overtake; push-to-pass)
  • Weight: {{convert|248-250|lb|kg|0|lk=on|abbr=on}}
  • Oil system: Dry-sump lubrication
  • Turbocharger: Twin - BorgWarner EFR7163
  • Turbocharger boost levels (speedway / 1.5-mile oval / road-street course / push-to-pass): {{convert|1.3|bar|psi|0|lk=on|abbr=on}} / {{convert|1.4|bar|psi|0|lk=on|abbr=on}} / {{convert|1.5-1.6|bar|psi|0|lk=on|abbr=on}} / {{convert|1.65|bar|psi|0|lk=on|abbr=on}}
  • 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=

References

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