Need help ls6 engine oil on threads of sparkplugs
03-27-2007, 11:39 PM
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Need help ls6 engine oil on threads of sparkplugs The engine is a 2002 ls6 stock internals. Went to change plugs out to better plugs and noticed oil on the threads. Its not on every hole but 5 out of 8. Just want to know if anyone has had this problem or problem with stem seals leaking oil. Engine only has 20,000 on it. Getting ready to turbo charge and dont want to blow it up just yet.
