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Old 11-10-2019, 10:03 PM   #15
F.M.
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Join Date: Sep 2017
Posts: 385
Default Re: What spark plugs are you currently using?

Quote:
Originally Posted by supergnat View Post
The current 3X’s I’ve seen have dual grounds (I think that is what they are called). Is that an improvement/. Are they good for our Model A’s?
Pictures of them, both styles can be seen in the Restoration Guidelines..
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