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XJ550 spark plug gap

Discussion in 'XJ Technical Chat' started by cly_adams, Mar 28, 2009.

  1. cly_adams

    cly_adams Member

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    I read in another forum the gap was .28 is that correct? I have a Stock 1983 maxim XJ550 just want to make sure its gap is right.
     
    cly_adams, Mar 28, 2009
    #1
  2. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    Not really. First off you have the decimal point in the wrong place, you're talking about .028"

    The spec is 0.6mm-0.7mm, or .024"-.028" Since plug gap gets greater as they "wear" I set mine at .025"
     
    bigfitz52, Mar 29, 2009
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    DarbyC likes this.
  3. cly_adams

    cly_adams Member

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    sorry for the mistake. But sounds good thanks!
     
    cly_adams, Mar 31, 2009
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