Honda Indy V8

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Honda Indy V8
HondaIndyV8.jpg
A 2007-spec Honda Indy HI7R V8 engine.
Overview
Manufacturer HPD-AHM Co. (under a support of Ilmor Engineering)
Production2003–2011
Layout
Configuration V8 naturally-aspirated engine, 90° cylinder angle
Displacement 3.5  L (214  cu in) (2003, 2007–2011)
3.0  L (183  cu in) (2004–2006)
Cylinder bore 93  mm (3.66  in)
Block material Aluminum alloy
Head material Aluminum alloy
Valvetrain 32-valve (four-valves per cylinder), DOHC
Combustion
Turbocharger No
Fuel systemElectronic indirect multi-point port fuel injection
Management Motorola (2003–2010)
McLaren (2011)
Fuel type100% fuel grade Ethanol provided by Sunoco
Oil system Dry sump
Cooling system Single water pump
Output
Power output 670  hp (500  kW) (2003–2006)
650  hp (485  kW) (2007-mid 2009)
650 + 20  hp (485 + 15  kW) with push-to-pass (mid 2009-end 2009)
650 + 40  hp (485 + 30  kW) with push-to-pass (2010–2011)
Torque output Approx. 430  N⋅m (317  ft⋅lbf) @ 8,000 rpm
Dimensions
Dry weight280  lb (127  kg) excluding headers, clutch, ECU, spark box or filters
Chronology
PredecessorHonda Turbo V8
Successor Honda Indy V6

The Honda Indy V8 is a prototype four-stroke 3.5-litre naturally-aspirated V8 racing engine, developed and produced by HPD-AHM Co. in partnership with Ilmor Engineering (reassembly, arrangement, preparation, maintenance, trackside support, and tune-up) for IndyCar Series. Honda Indy V8 was a highly successful IndyCar Series engine supplier from 2003 to 2011 seasons before replaced by Honda Indy V6 at the following season. Honda Indy V8 was unveiled at 2002 Detroit Auto Show and assembled at HPD power assembly plant in Santa Clarita, California, USA in early 2003.

Contents

1st generation (2003–2004)

Honda debuted IndyCar Series as engine supplier in 2003 season after a CART successful era. Developed jointly by HPD with under support from Ilmor and designated as HI3R, engine's capacity was 3.5-liter. Honda supplied Andretti Green Racing, Team Rahal, Fernández Racing and Access Motorsports teams. Honda's 2003 stats were 3 pole positions, 6 fastest laps and 2 wins. A revised engine named HI4R was used in 2004 until new regulations came into effect at the 2004 Indianapolis 500. [1]

Applications

2nd generation (2004–2006)

Honda designed a new engine to address the 2004 IRL rule change which required reduced displacement. Developed once again by Ilmor and designated as HI4R-A, [2] its capacity was 3.0-liter and debuted at the 2004 Indianapolis 500. [3] With subsequent evolutions named HI5R and HI6R, Honda was clearly dominant engine, scoring 33 poles, 35 fastest laps, 41 wins totally in three seasons including 3 Indianapolis 500s. Since Chevrolet and Toyota leaves IndyCar Series after 2005 season, Honda won exclusive tender IndyCar Series engine supplier for 2006 to 2011 season.

Applications

3rd generation (2007–2011)

This family was designed as a replacement for the HI6R but enlarged to better accommodate variable valve timing and Active Fuel Management while still generating good performance. HI7R-HI11R's capacity reverted to 3.5-liters respectively since 2007 season. [4] HI7R-HI11R engine was developed and assembled by Honda in Santa Clarita, California, USA (Honda Performance Development's current headquarters) but remained under support from Ilmor Engineering for partial design R&D, trackside support, engine arrangement, tune up and engine maintenance. HI7R-HI11R engine supplied for all IndyCar Series teams. HI7R-HI11R was highly successful engine with 86 pole positions, fastest laps and wins respectively including 2008 Nikon Indy 300 exhibition race and 5 Indianapolis 500s. Due to the IndyCar Series chassis and engine development freeze beginning in 2008, IndyCar Series kept the Honda Indy V8 3rd generation model until 2011 season for cost reasons. The combustion of Honda Indy V8 was four-stroke piston Otto cycle.

Year 2011 final specifications

Applications

Honours

On February 10, 2012, Honda Indy V8 was honoured as "North American Race Engine of the Year" by Race Engine Magazine. [5]

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References

  1. "Indy: Honda's 2004 Engine". HondaBeat.com. September 10, 2004.
  2. "2004 Indy 500: BorgWarner Louis Schwitzer Award Presented to Honda". The Auto Channel. May 21, 2004.
  3. "Honda Unveils Stout Lineup to Defend IRL Titles". Honda Motor Co. January 19, 2005.
  4. "IRL to revert to 3.5-litre engines". Autosport . Autosport.com. August 31, 2006. Retrieved August 31, 2006.
  5. "Honda Indy V8 Honored by Race Engine Magazine". Honda Motor Company. 2012-02-10. Retrieved 2012-02-10.