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The Terminator
Engine/Tuning
Check your plugs- NOW.
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<blockquote data-quote="SnakeBit" data-source="post: 1372142" data-attributes="member: 2522"><p>IMO, Steel plugs threads in an aluminum head and 100,000 miles = plugs that are now "one with the head".</p><p></p><p>Sorry, but IMO, either use anti-sieze on the threads, or clean and gap your plugs more often than 100,000 miles. I don't know what to make of the loose plugs, other than sloppy QC when the heads were threaded.. This is my second Cobra, and the first one never had even a hint of this problem. The plugs were changed once in 57K miles (at the 27K mark) and came out again at 45K for a compression check. No problems with loose plugs ether time., but a few were in pretty tight and required a good pull to break free from the factory install.</p></blockquote><p></p>
[QUOTE="SnakeBit, post: 1372142, member: 2522"] IMO, Steel plugs threads in an aluminum head and 100,000 miles = plugs that are now "one with the head". Sorry, but IMO, either use anti-sieze on the threads, or clean and gap your plugs more often than 100,000 miles. I don't know what to make of the loose plugs, other than sloppy QC when the heads were threaded.. This is my second Cobra, and the first one never had even a hint of this problem. The plugs were changed once in 57K miles (at the 27K mark) and came out again at 45K for a compression check. No problems with loose plugs ether time., but a few were in pretty tight and required a good pull to break free from the factory install. [/QUOTE]
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