Often, compressors in the refrigeration and air conditioning fields have forced oiling systems. These compressors are usually over 5 horsepower (hp). They contain an oil pump located at the end of the ...

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 engine needs oil to lubricate moving parts, prevent corrosion, collect dirt and sludge, and absorb some of the heat generated by a running engine. The oil pump provides the force that delivers oil ...