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HI10R Series
- Honda's engine for the 2010 IZOD IndyCar® Series is designed and manufactured to continue the tradition of providing equal, reliable performance for all IZOD IndyCar Series drivers and teams
- All engines have performance "tolerance" levels of plus or minus less than one percent, and will have a service life of up to 1,400 miles between rebuilds for race use
- The "push-to-pass" overtake-assist feature, introduced in mid-2009, continues this season. The HI10R also continues to run on 100 percent fuel-grade ethanol, as used in IndyCar racing since 2007
- HPD engineers worked with IndyCar transmission supplier XTRAC to add reverse-gear functionality within the ECU for 2010; and continue to develop a gear lockout to prevent drivers from leaving their pit boxes with the fuel hose still attached to the car
- In 2006, after scoring back-to-back IRL Manufacturers' Championships, Honda became the single engine supplier to the IndyCar Series, and will continue in this role through 2011. A pool of more than 80 engines is prepared for the start of each season, then maintained by HPD and technical partner Ilmor Engineering. The HI0R will be used by all teams in the 2010 IZOD IndyCar Series
- In 2009, a total of 40 drivers completed 202,210 racing miles over the course of the 17-race season with only a single race-day failure. Honda also powered the entire 33-car Indianapolis 500 starting field, and for a record-extending fourth consecutive race, there were no engine-related retirements during the running of the Memorial Day classic
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| Specifications |
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| Engine Type |
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Normally aspirated, fuel-injected, aluminum alloy 90-degree V-8 |
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| Displacement |
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3.5 liters (213.6 cubic inches) |
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| Valve Train |
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Dual overhead camshaft, four valves per cylinder, coil springs |
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| Crankshaft |
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Alloy steel, five main bearing caps |
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| Pistons |
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Forged aluminum alloy |
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| Connecting Rods |
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Machined alloy steel |
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| Engine Management |
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McLaren Electronics |
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| Ignition System |
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Induction |
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| Injection System |
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Single injector per cylinder |
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| Lubrication |
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Dry sump |
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| Cooling |
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Single water pump |
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| Transmission |
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Six-speed sequential, paddle-operated |
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| Fuel |
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100 percent fuel-grade ethanol |
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| Weight |
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275 lbs (124.7 kg.) |
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