Thread: AC Delco Spark Plug
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Old 06-09-2009, 10:42 PM
Salvatore Salvatore is offline
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Default Re: AC Delco Spark Plug
Only reason why your plugs last so long is because the guy that honed the block and installed the rings did a great job! In and out of the trailer kills motors. You warm yours up so there is minimial cylinder wash down.
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