Interpreting the Old Spark Plugs

Posted by F4RM@11 on September 22, 2012 at 18:44:33 from (50.126.41.56):

I picked up some new Autolite 3116's today and replaced the old ones. The old ones were 386's and gapped inconsistently at .030+. While I'm not going to be diving into heavy engine work until at least next year, I am curious about what the condition of the plugs indicates about the engine.

I've posted some photos here and would love to hear what the experts have to say:

http://farmhacker.wordpress.com/2012/09/23/interpreting-the-old-spark-plugs/

Replies:

• Re: Interpreting the Old Spark Plugs Denny ('60 Lo-Boy) 07:18:55 09/23/12 (0)
• Re: Interpreting the Old Spark Plugs F4RM@11 06:55:38 09/23/12 (0)
• Re: Interpreting the Old Spark Plugs JRSutton 06:24:44 09/23/12 (0)
• Re: Interpreting the Old Spark Plugs Janicholson 18:56:20 09/22/12 (0)

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