LT1-LT4 Modifications 1993-97 Gen II Small Block V8

oil on plug

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Old 09-07-2007, 05:06 PM
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Default oil on plug

had stuck injectors so I replaced them and , went to change the fouled out plugs and #4 has oil on it.The car smokes when running, thought it could be a head gasket but no missing coolant.

Could a intake manifold cause this?
Possible valve seal?
hopefully not a ring
Old 09-14-2007, 08:54 PM
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Sounds like a Leaking Valve Seal.



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