Honda Indy V8
| Honda Indy V8 | |
|---|---|
 |
|
| Overview | |
| Manufacturer | HPD-AHM Co. |
| Production | 2003-2011 |
| Combustion chamber | |
| Configuration | V8 naturally-aspirated, 90° cylinder angle |
| Displacement | 3,500 cc (3.5 L; 213.6 cu in) (2003, 2007-2011) 3,000 cc (3.0 L; 183.1 cu in) (2004-2006) |
| Cylinder bore | 93 mm (4 in) |
| Cylinder block alloy | Aluminum alloy |
| Cylinder head alloy | Aluminum alloy |
| Valvetrain | 32-valve, DOHC, four-valves per cylinder |
| Combustion | |
| Turbocharger | No |
| Fuel system | Electronic indirect fuel injection |
| Management | Motorola |
| Fuel type | 100% fuel grade Ethanol provided by Sunoco |
| Oil system | Dry sump |
| Output | |
| Power output | 650 hp (485 kW) + 40 hp (30 kW) with push-to-pass |
| Torque output | Approx. 430 N·m (317 ft·lbf) @ 8000 rpm |
| Dimensions | |
| Dry weight | 280 lb (127 kg) - no headers, clutch, ECU, spark box or filters |
| Chronology | |
| Predecessor | Honda Turbo V8 |
| Successor | Honda Indy V6 |
The Honda Indy V8 engine is a 3.5-litre naturally-aspirated V8, developed and produced by HPD-AHM Co. 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.
Honda debuted IndyCar Series as engine supplier in 2003 season after a CART successful era. Developed by 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.
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, its capacity was 3.0-liter and debuted at the 2004 Indianapolis 500. 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.
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