Thread: 70 tossed out its spark plug.
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Old 06-11-2019, 10:12 PM
Jeff in Pa's Avatar
Jeff in Pa Jeff in Pa is offline
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Location: Zionsville, PA
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Previous spark plug installations could have been out of spec ( too tight or too loose ) and the aluminum finally failed.

If the head is still good, a helicoil can save the head and it can last another few decades.
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