Spark Plug install
Mudding
Joined: May 2016
Posts: 158
Likes: 25
I was looking at plugs on Rockauto the other day and noticed they all said "recommended 0.039" gap, preset to 0.044" " Do you re-gap these to 0.039 or leave them as they come? Some did not appear to be easily adjustable. Thanks
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primey
Discovery I
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Oct 26, 2011 07:24 PM