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Synthetic drain intervals.(Letter to the editor)

In the April 2007 issue, Joe Minton recommends drain intervals at 10,000 miles. You may want to inform your readers that the OE and replacement oil filters are filled with a paper element that will break down in time with the use of synthetic and semi-synthetic oils. These oils are of a higher concentrate and can be damaging to paper filters.

Note: K & N Performance Gold oil filters are a man-made synthetic media which will withstand these higher concentrates while allowing for ...

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