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Old 09-02-2013, 09:02 PM   #8
Bluebell
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Join Date: Nov 2012
Location: Tauranga, New Zealand
Posts: 726
Default Re: 59 block oil filter question

The last three posts are bang on. The filter is only supposed to get about 5% of the flow. The filter medium is very fine, and can stay in the system for say 20,000 miles. It has a large surface area compared to the full flow filter element.
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