Our company had an old VW beater for years as a go-fer car. We put over 350K miles on that motor and hardly ever changed the oil. It was self changing, we only had to add oil. We called it "The Exon Valdez".
But the point is, those VWs had no oil filter, only a screen at the bottom of the sump.
We sold the car, still running strong, passing smog no problem. God only knows how many miles it has on that motor now.
Sometimes I wonder how important oil filters are. Sometimes it seems the only reason I have to change them in my cars is to keep the oil pressure from getting too low.
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It's all bad
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