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post #7 of (permalink) Old 09-26-2008
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Originally Posted by jeostang View Post
My plugs are gapped at .028. I normally swap them when I plan on doing some normal cruising. I've been logging that last few days so I didn't pull the plugs and they fouled up pretty quick. The codes I got was p0172 and 175, rich in both banks. I pulled the plugs and they were black.
Wow that's a serious tight gap. I would think they would foul real easy.

1965 Mustang Coupe
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