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Old 01-07-2019, 11:25 PM   #4
Tinker
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Join Date: May 2010
Location: MN
Posts: 7,053
Default Re: cleaning spark plugs

If reusing, clean, gap (I use a feeler about .025 - .028 (stock)). I just use some emery paper on my 18mm after a brush and some actone. You certainly can switch them out on cylinders.

Last edited by Tinker; 01-10-2019 at 01:14 PM.
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