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  1. #1

    Join Date
    02 Apr 2017
    Location
    Santa Cruz, CA
    Posts
    3
    Saab(s)
    2009 9-5 Sportscombi 2.3t, 2010 9-5 Aero XWD
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    Spark plug gap

    2010 9-5. 160k and Iím replacing the coils and spark plugs. Using NKG DILFR7B10G spark plugs which come pre-gapped at .040 in. but WIS says .043 in. Which should be used?


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  2. #2
    Frank
    Administrator
    Join Date
    30 Jul 2010
    Location
    USA - Netherlands
    Posts
    7,795
    Saab(s)
    previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
    Thumbs Up:   111
    I would use the specs in the WIS.

    However.. the difference is only 0.003" so 0.07 mm. You must have very accurate measuring tools to be able to measure 0.07 mm so I would use the pre-gap and not mess with it.

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