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 ...

This weekend’s NASCAR Sprint Cup Race at the Kentucky Speedway is significant for two reasons: first, it marks the debut Sprint Cup Series race at the Kentucky track, but it also marks the first test ...

NASCAR told Sprint Cup teams Saturday that they can use fuel injection at NASCAR-sanctioned tests this season. The Cup series will switch from carburetors, used since the series’ inception in 1949, to ...

Horsepower junkies are always looking for that edge to stay ahead of the competition. There are safe ways and risky ways of doing it. Before turning up the boost on any forced induction (supercharger ...