Need recommendation for "air-fliter"

Discussion in 'General Motoring' started by socraticquest, Jun 11, 2009.

  1. Any recommendations for engine air-filters that provide the best air-
    flow (compared to most air-filters)? Filters for 1997 850 non-turbo

    socraticquest, Jun 11, 2009
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  2. socraticquest

    James Sweet Guest

    What's wrong with the OEM filter? Volvo uses a very large filter that
    works very well right from the factory. There's nothing you can change
    it to that will get you any measurable improvement in performance,
    though some aftermarket filters will give you a measurable increase in
    particle ingestion and engine wear.
    James Sweet, Jun 12, 2009
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  3. socraticquest

    z Guest

    yeah, oem filter is pretty good when new; flow advantage of oiled
    gauze items comes when they get dirty; paper filter gets clogged,
    gauze doesn't
    z, Jun 19, 2009
  4. socraticquest

    James Sweet Guest

    A filter gets clogged when doing its job. The oiled filters don't get
    clogged as easily because they let that crud into the engine instead.

    I read a review where they tested all sorts of different air filter
    setups and found that in the vehicles they evaluated, the stock filters
    were superior at filtering, and produced a negligible pressure drop
    across them. The aftermarket filters all caused a second filter inserter
    further up the line to become substantially dirtier. I wish I still had
    the link.
    James Sweet, Jun 19, 2009
  5. socraticquest

    Mr. V Guest

    Mr. V, Jun 19, 2009
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