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  1. #1
    Ivan
    Saab Enthusiast
    Join Date
    16 Jan 2012
    Location
    London, Canada
    Posts
    173
    Saab(s)
    2003 9-5 Aero Sedan (R.I.P.), 2006 9-5 2.3T Sport, 2008 9-3 Aero SC
    Thumbs Up:   0

    Spark plug confusion

    I've noticed that the FAQ section about spark plugs lists two different NGK plugs for a B235R engine:

    B235R (225 hp): NGK PFR7H-10
    B235R (230 hp): NGK PFR6H-10*

    * NGK's website specifies this one for my vehicle, which is a 2003 9-5 Aero. I have a stage 1 ECU tune but I just used "2003 9-5 Aero" when looking this up on their site.

    I'm curious as to what the difference between these two plugs are.

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  2. #2
    Saab Fan
    Join Date
    11 Jan 2014
    Location
    Edmonton, Alberta, Canada
    Posts
    42
    Saab(s)
    2000 9-5 Aero, 2002 9-5 wagon, 2007 9-3 Aero, '93 9000 CSE, 7 vintage Saabs
    Thumbs Up:   0
    heat range difference, that's all the "7" plug is colder than the "6" plug....back asswards I know but that's the way NGK does it.

    Mark

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  3. #3
    Ivan
    Saab Enthusiast
    Join Date
    16 Jan 2012
    Location
    London, Canada
    Posts
    173
    Saab(s)
    2003 9-5 Aero Sedan (R.I.P.), 2006 9-5 2.3T Sport, 2008 9-3 Aero SC
    Thumbs Up:   0
    So I should stick to the 6H plug?

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  4. #4
    Kenny
    Saab Fan
    Join Date
    30 Dec 2013
    Location
    Lawrence
    Posts
    41
    Saab(s)
    2005 SAAB 9-5 Aero MT
    Thumbs Up:   1
    Stick to NGK PFR6H10 - I have been using since 05 - never had any issues.

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    SAAB
    Keep Calm my friends
    and Apply BOOST

  5. #5
    Saab Fan
    Join Date
    11 Jan 2014
    Location
    Edmonton, Alberta, Canada
    Posts
    42
    Saab(s)
    2000 9-5 Aero, 2002 9-5 wagon, 2007 9-3 Aero, '93 9000 CSE, 7 vintage Saabs
    Thumbs Up:   0
    yes

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  6. #6
    Ivan
    Saab Enthusiast
    Join Date
    16 Jan 2012
    Location
    London, Canada
    Posts
    173
    Saab(s)
    2003 9-5 Aero Sedan (R.I.P.), 2006 9-5 2.3T Sport, 2008 9-3 Aero SC
    Thumbs Up:   0
    Thank you all.

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