IRL: Summary of 2003-2005 engine specifications

INDIANAPOLIS, Tuesday, April 3, 2001 - A summary of the Indy Racing League engine specifications from 2003-2005, announced April 3. General Motors, Infiniti and Toyota each have committed to build engines to the new specifications through...

INDIANAPOLIS, Tuesday, April 3, 2001 - A summary of the Indy Racing League engine specifications from 2003-2005, announced April 3. General Motors, Infiniti and Toyota each have committed to build engines to the new specifications through 2005. <pre> Configuration: V8, 90 degree, normally aspirated Displacement: 3.5 liters, with electronic rev limiter Horsepower (est.): 650 Bore: 93 millimeters Main bearing: 53 millimeters minimum Rod bearing: 43 millimeters minimum Deck height: 7.486 inches (190 mm) minimum Center line of crank (to bottom of sump): 4 inches Minimum weight: 295 pounds (no ballast, dry, less headers, clutch, ECU spark box and filters) Engine length: 22-22.5 inches Mounting: Common engine/fuel pump mounting points Injectors: Limited to two per cylinder Cam drive: Chain or gear Crankshaft: 180-degree flat crank Air box: Common air box and filter Cams, location: Four, overhead Valves per cylinder Four, maximum

-IRNLS/IMS-

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Series IndyCar