IMSA is introducing a two-stage Balance of Performance equation that aims to even the playing field between acceleration and top speed. The new BoP is modeled after the system introduced by the ...

So, why a dearth of American full-timers in the IMSA's top GTP prototype class ... It's not only speed, but aggression that counts. If American drivers rely on a path to the top by competing ...

This marks the first time MSR has fielded two full-time entries in IMSA’s top prototype class ... We’ll start to look for a bit more speed as these two days go on and as the season progresses.” ...

First introduced to the WeatherTech GTP class, GTD Pro and GTD will sport similar hardware at the Rolex 24 making it easier to mandate and adjust performance.

While LMDh cars can compete in IMSA's GTP category, there is no official announcement that Ford's prototype racer will ... it planned to be in order to use top-flight racing as a learning platform ...

Despite kicking off the 2023 IMSA season at the Rolex 24 at Daytona with a serious testing disadvantage, it had managed to beat racing titans such as BMW, Cadillac, and Porsche for the overall win.

While the GT’s output can’t match the 710bhp of the IMSA-GTO it’s inspired by, performance figures aren’t too far off – the racer managed a 3.1sec 0-62mph time and a 193mph top speed.

Once attrition hit other entries in the top prototype class, the Porsches ran first and second for large portions of the race. It was the No. 7 full-time IMSA entry that won, making it back-to ...