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Oil flow that's free of cavitation is critical to a high performance engine. This cavitation process happens when oil splahes against moving parts, like crankshaft, bearings and others. The Boxster engine uses a dedicated oil scavange pump to extract oil from each bank of cylinders, then sends it to a defoaming chamber before sending it back to the oil sump.
From there, the oil is pumped to the lubrication points, and the cycle begins again.
This also ensures consistent lubrication, even in more extreme high speed corners.
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