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 ...

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 year was 1955. President Eisenhower resided in the White House, Rosa Parks refused to sit at the rear of the bus, and the Brooklyn Dodgers defeated the New York Yankees in the World Series. The ...

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 ...