ENGINE TROUBLES; What does Chevy leaving the IRL mean?(Motorsports)

Byline: CURT CAVIN The Indy Racing League went through its 2004 season with relatively few engine troubles. Series champion Tony Kanaan completed all 3305 laps. All but one of the league's 22 cars finished the punishing 400-mile race at Michigan. But now there's smoke coming from those engines.

Early in November, General Motors announced its plan to withdraw its Chevrolets from the IRL following the 2005 season, and there is speculation Toyota, which is now investing heavily in NASCAR, might follow GM out in 2006. No other auto manufacturers have publicly confirmed their ...

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