Oil pump supplies oil under pressure to all moving parts of the engine in order to provide lubrication. Oil also plays an important role in dissipating the heat away from the internal components of ...

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 ...

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 ...