For months, maybe even years, fans, drivers, team owners, and industry members have been calling on NASCAR executives to add horsepower to the NASCAR Cup Series short track package, to improve the ...

So while NASCAR isn’t returning to the 850-900 hp days of old, officials opted to increase the engine power to 750 hp for 20 ...

NASCAR Cup engines live in a strange space: they are tightly regulated, largely hand built, and expected to survive hours at full throttle while still making headline power. The rulebook caps ...

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 ...