Are these spark plugs pregapped correctly? - ScoobyNet.com - Subaru Enthusiast Forum



Are these spark plugs pregapped correctly?

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Old 12 September 2017, 10:47 PM   #1
jaygsi
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Default Are these spark plugs pregapped correctly?

http://www.scoobyparts.com/ngk-laser...rk-plugs-pfr7b

Are these gapped correctly for my 1998 Impreza?


Supplied pre-gapped to 0.8mm
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Old 12 September 2017, 10:50 PM   #2
ossett2k2
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I would always double check the gaps 0.7-0.8mm is correct.
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Old 12 September 2017, 11:03 PM   #3
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Ok, read a few topics where it says about not adjusting platinum tipped plugs? Also my mate has been told by mapper to gap them to 0.6 for 1993 wrx.
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Old 13 September 2017, 12:01 AM   #4
RICHARD J
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0.65 to 0.7 mm and never trust they are pre gapped as they are always over gapped. Use a feeler blade gently don't force it in the gap and you won't damage the platinum tip.
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Old 14 September 2017, 11:56 AM   #5
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Ok cheers will give it a go.
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