Years of speculation about the future of IndyCar's current engine partners is expected to end in the coming days with the formal confirmation that Honda and Chevrolet have both signed contract extensions.

RACER’S Marshall Pruett has spent the last year tracking developments with the IndyCar Series’ new chassis, engine, and the rest of what’s on the way for 2028.

RACER’S Marshall Pruett has spent the last year tracking developments with the IndyCar Series’ new chassis, engine, and the rest of what’s on the way for 2028.

On the morning of October 16, 2005, I sat in the media briefing room of what was then known as California Speedway in Fontana, California waiting for a press conference to begin. It would reveal the future of the Indy 500 and the fate of the IndyCar Series. Honda’s motorsport...

Ilmor Engineering became a powerhouse of achievement under Paul Ray’s watch. The Briton, who joined the American arm of the racing engine design and supply company in 1990, recently announced his retirement after decades of serving as its president and will relinquish the role after Sunday's IndyCar race at Nashville...

The IndyCar Series is formally shifting its new chassis and engine introduction from 2027 to 2028.

The lead-up to the Thermal Club IndyCar Grand Prix was busy for some teams that were forced to replace energy recovery systems (ERS) due to internal wiring issues, while on Sunday, a handful of drivers had to manage overheating ERS units with temperatures surpassing their safety thresholds.Ed Carpenter Racing’s Alexander...

The NTT IndyCar Series has begun to distribute its new energy recovery systems to the 10 full-time teams and 27 season-long entries that will use them in testing at the Milwaukee Mile on June 11 and go hybrid racing on July 5-7 at Mid-Ohio.Built by Chevrolet and Honda, the custom...

Let’s delve into a phenomenon that’s nothing new in turbocharged forms of motor racing, but took center stage on Saturday in qualifying for the Indianapolis 500 when multiple Chevrolet-powered entries experienced plenum fires at the most inopportune times during their four-lap runs.First, what’s a plenum?It’s an enclosed airbox that sits...

The IndyCar Series is developing a new and tougher bellhousing to deploy in the coming months.After dealing with ongoing durability issues with the new and lighter magnesium bellhousings that debuted in March at St. Petersburg, RACER understands the series is working with chassis supplier Dallara to produce an updated batch...