Thread: spark plug gap model a
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Old 05-18-2018, 07:00 PM   #10
WHN
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Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 1,823
Default Re: spark plug gap model a
I have always used .035 on any plug we’ve used in Model A’s.

Less has carboned up, more has caused miss fires at higher speeds. .035 seems just right. Enjoy.
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