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SVTPerformance's Chain of Restaurants
Road Side Pub
4.6L 3v Ford Performance phaser kit
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<blockquote data-quote="cidsamuth" data-source="post: 16613490" data-attributes="member: 110091"><p>The plug issue with the old style heads is a little misunderstood. When you look at the plugs, there is about a 1" section between the electrode/strap and the threads. That section is very close to the heads when installed. It builds grime and seizes to the heads over time. The threads are not really the problem. I assume the TSB wants that 1/2 turn on the plugs before using break-free so that it can penetrate past the threads and get to that section stuck to the head.</p><p></p><p>When you reinstall plugs, the TSB calls for nickel (high heat) anti-sieze on that section of the plugs and nothing on the threads. The idea is that it will keep built up grime from sticking to the plug and causing the plug and head to become one.</p></blockquote><p></p>
[QUOTE="cidsamuth, post: 16613490, member: 110091"] The plug issue with the old style heads is a little misunderstood. When you look at the plugs, there is about a 1" section between the electrode/strap and the threads. That section is very close to the heads when installed. It builds grime and seizes to the heads over time. The threads are not really the problem. I assume the TSB wants that 1/2 turn on the plugs before using break-free so that it can penetrate past the threads and get to that section stuck to the head. When you reinstall plugs, the TSB calls for nickel (high heat) anti-sieze on that section of the plugs and nothing on the threads. The idea is that it will keep built up grime from sticking to the plug and causing the plug and head to become one. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
4.6L 3v Ford Performance phaser kit
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