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Re: WC - Spark Plugs

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Christopher Mikesell

11-02-2012 20:10:01

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I checked my spark plug boxes (i saved the old plugs in the new boxes) and the ones from the plugs in my SC are marked "...1992...made in USA," and I have had no problems. The major quality control spills that I have heard about seem to have happened within the last ten years. There seem to have been two issues. One was a problem with the insulators fouling quickly, and another was a problem with the insulators breaking inside the plug and then sliding down to touch the ground electrode. These problems were reported to happen to almost all of the plugs in a set of new plugs, not just to one in a set. If you have plugs with these problems, then you will know it very quickly. However, most of the complaints that I have either heard about or read are consistency problems, such as poor performance/life of one plug in a set or badly bent/gapped electrodes. I would suggest that you just use what you have, and only junk them if you have major problems.

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11-03-2012 08:36:44

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 Re: WC - Spark Plugs in reply to Christopher Mikesell, 11-02-2012 20:10:01  
I keep most if not all of my used plugs and have been known to clean them and then use them when I need a plug for something like a tractor I haul in that has plugs that are broken or so rusty they can not work

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