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Old 08-11-2020, 08:25 PM   #17
19Fordy
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Join Date: May 2010
Location: Coral Springs FL
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Default Re: Mercury Flathead on Craigs list MN

Quote:
Originally Posted by flatford8 View Post
What are those little cup things around the spark plugs?......Mark

Years ago weren't there inserts you could insert to raise the height of your spark plugs if the engine burned oil?

I recall something like that was available. Look here.
https://www.google.com/search?q=spar...hrome&ie=UTF-8
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