While everybody knows what the oil pump's job is and why it's there, few enthusiasts consider the lowly bubbler as a possible engine tuning resource. We've come to appreciate that it takes power to ...

An oil pump in a vehicle is a mechanical device that circulates oil through the engine to lubricate its moving parts. It plays a critical role in ensuring the engine runs smoothly and efficiently. The ...

Pump-displacement volume is typically determined by gear size. The oil pumps below (left to right) represent two different displacements, as noted by the case size. For high-performance work, a steel ...