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Old 06-25-2012, 10:55 AM
grumpyfat grumpyfat is offline
LawnSite Member
Join Date: Jun 2012
Location: New Castle, PA
Posts: 2
We did not pull the head all the way off - We don't know if valves are carboned up? - The old spark plugs were pretty carboned up & looked the same, black, dirty with carbon build-up. BUT, electrodes were not burnt, both plugs were equal in gap.

Thank You
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