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How do you gap spark plugs?

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Old 03-29-2008, 01:58 PM
  #11  
rjb
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Default RE: How do you gap spark plugs?

Pregapped or not always verify...
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Old 03-29-2008, 02:05 PM
  #12  
richmod
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Default RE: How do you gap spark plugs?

But the Motorcraft SP462 has a closed end, and the circular gap checker like the one above won't get in there.
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Old 03-29-2008, 05:21 PM
  #13  
jmk3
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Default RE: How do you gap spark plugs?

Never trust pegapped plugs, ups guy drops the box on its end and the gaps are all messed up. check them, same reason I allways open an oil filter box in the store to look at the end. You gotta look out for yourself.
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Old 03-29-2008, 06:03 PM
  #14  
tungsten07
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Default RE: How do you gap spark plugs?

+1
the pre-gapped plugs are never right! i always double check them and always find myself making adjustments. it only takes two seconds to check a spark plug and another two seconds to gap it. time well spent!
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Old 03-29-2008, 06:14 PM
  #15  
DeStonn
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Default RE: How do you gap spark plugs?

The motorcraft 1 piece from ford are already pre gapped but if you know how wouldn't hurt to check
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Old 03-29-2008, 08:21 PM
  #16  
65poppy
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Default RE: How do you gap spark plugs?

ORIGINAL: richmod

But the Motorcraft SP462 has a closed end, and the circular gap checker like the one above won't get in there.

I see what you mean. For a plug like this you can only decrease the gap with a special tool like the one pictured below. I don't know how you would increase the gap if you needed to...

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