NASCAR and Hendrick Motorsports unveiled the full specs for their Garage 56 Chevrolet Camaro ZL1 that will race the 24 Hours of Le Mans in June. During an announcement in Daytona International ...

CONCORD, N.C. -- NASCAR concluded its Next Gen testing for the year Friday at Charlotte Motor Speedway and announced a horsepower change for the 2022 season. On the second day of the second round of ...

The first on-track test of fuel injection in NASCAR’s Sprint Cup Series could come as early as July 7 at Kentucky Speedway, provided NASCAR finalizes specifications for system hardware and software in ...

A significant decision to rekindle the excitement among fans was made when NASCAR stated that its Next Gen Cup Series engines would be rated at 2026 horsepower, including a maximum of 100 additional ...

From Street Stock to Winston Cup, the three most important areas for engine performance improvements are cylinder heads, valvetrains, and intake manifolds. In particular, cylinder heads affect most ...