Starting at this weekend's Rolex 24, more classes — and cars — will use special sensors to help IMSA maintain an even playing field. Here's how they work.
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A new-look Meyer Shank Racing team is back at the Rolex 24 after a one-year hiatus and it is just one of dozens of changes as IMSA heads into the most prestigious endurance race in North America.
No. 24 BMW M Hybrid V8 posts fastest lap after checkered flag of session featuring red flag and nearly a rare qualifying collision.
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