Andretti Autosport's Ryan Hunter-Reay joined Graham Rahal of Rahal Letterman Lanigan Racing and Simon Pagenaud of Schmidt Peterson Motorsports in testing Honda Performance Development's twin-turbocharged engine Nov. 18 at Sebring International Raceway."I'm very impressed with the power and delivery," said Hunter-Reay, whose team announced at the Fontana finale that it...

Honda says that it is satisfied with the progress being made on its twin-turbo IndyCar engine after track-testing the unit for the first time at Fontana on Tuesday.Simon Pagenaud ran between 50 and 60 laps in a spare Sam Schmidt car fitted with the new-spec Honda engine, reportedly posting speeds...

HPD technical director Roger Griffiths says that Honda would have been forced to go down the twin-turbo route with its next-generation IndyCar engine even if that configuration had not been mandated by the series. IndyCar confirmed last week that manufacturers would be compelled to use BorgWarner twin-turbo systems for 2014....