Camshafts For Vehicle Engines

Camshafts For Vehicle Engines

Camshafts are an essential component of internal combustion engines, responsible for controlling the opening and closing of the engine's valves. They are cylindrical in shape and are typically made of cast iron or steel. Camshafts are driven by the engine's crankshaft through a timing belt or chain, and they rotate at half the speed of the crankshaft. The camshaft's profile determines the timing and duration of the valve opening and closing. A high-performance engine requires a camshaft with a more aggressive profile to allow for greater airflow into the engine. This results in increased horsepower and torque, but can also cause the engine to have a rougher idle and reduced low-end power. Camshafts can be either single or double overhead cam (SOHC or DOHC). SOHC engines have one camshaft per cylinder head, while DOHC engines have two. DOHC engines generally have better performance due to the increased number of valves per cylinder and the ability to adjust valve timing independently. Camshafts can also be modified or replaced to increase engine performance. This is commonly done through camshaft swapping, where a more aggressive camshaft is installed to increase airflow and power. However, this can also lead to decreased reliability and increased wear on the engine. In summary, camshafts are a crucial component of vehicle engines, responsible for controlling the opening and closing of the engine's valves. They come in various shapes and sizes, and can be modified or replaced to increase engine performance, but this should be done with caution to avoid negative effects on reliability.

internal combustion engines, valves, timing belt, timing chain, horsepower

— Charles Williams

CITATION : "Charles Williams. 'Camshafts For Vehicle Engines.' Design+Encyclopedia. https://design-encyclopedia.com/define/camshafts-for-vehicle-engines?E=368047 (Accessed on October 14, 2026)"