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The Terminator
Engine/Tuning
Oil on Spark Plug Threads
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<blockquote data-quote="Mobil1Mach" data-source="post: 15793492" data-attributes="member: 80122"><p>I have a 2004 Mach 1 but Im posting this here due to heavier traffic to this sub-forum, and the similarities between the motors (heads specifically).</p><p></p><p>I changed my spark plugs and COPs this AM and found this on cylinder 8 (firewall/passenger).</p><p></p><p>[ATTACH=full]1457716[/ATTACH]</p><p></p><p>In addition, there was a tiny amount of oil on the face of my socket head when I removed the old spark plug.</p><p></p><p>I also found this odd build up inside the COP seat on the valve cover. What am I seeing here?</p><p></p><p>[ATTACH=full]1457717[/ATTACH]</p><p></p><p>Valve cover gasket? Piston ring? What is the most likely cause of this?</p><p></p><p>Details on car: Bone stock internals. CAI/x-pipe/cat back/mild tune. Makes 317/320. 25,017 miles.</p></blockquote><p></p>
[QUOTE="Mobil1Mach, post: 15793492, member: 80122"] I have a 2004 Mach 1 but Im posting this here due to heavier traffic to this sub-forum, and the similarities between the motors (heads specifically). I changed my spark plugs and COPs this AM and found this on cylinder 8 (firewall/passenger). [ATTACH=full]1457716[/ATTACH] In addition, there was a tiny amount of oil on the face of my socket head when I removed the old spark plug. I also found this odd build up inside the COP seat on the valve cover. What am I seeing here? [ATTACH=full]1457717[/ATTACH] Valve cover gasket? Piston ring? What is the most likely cause of this? Details on car: Bone stock internals. CAI/x-pipe/cat back/mild tune. Makes 317/320. 25,017 miles. [/QUOTE]
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