The wonderful world of oil...
A wet sump oil system is an oil management design. It is designed for four-stroke piston engines which have a built-in reservoir for oil as opposed to an external reservoir.
The oil does its job by lubricating, and then is allowed to drain to the base of the engine. The oil collects in this pan, called the sump, then it is pumped back up to the bearings by the oil pump. There is a continuous flow of oil around the engine.
The design is more simple than that of a dry sump. There is much less hardware to worry about in a wet sump system, and there is no external sump to worry about leaking.
Most vehicles today use the wet sump system. They decrease power, so the dry sump systems you see are in race cars mostly.
Until next time.
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