Why Cutting Engine Power Enhances NASCAR Superspeedway Racing: Speed, Safety, Competition
NASCAR will sanction the Daytona summer race with a 465‑horsepower engine, trimming the spec output from 510 hp by fitting a 0.84‑inch tapered spacer. Power Reduction Designed for Open Racing The cutback follows a strategy to let cars exit packs more easily, a trend seen with the 6th generation Cup cars that ran 450 hp. […]

