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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
5.4l Spark Plugs
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<blockquote data-quote="The Tank" data-source="post: 114579" data-attributes="member: 3040"><p>It was mid 2001 the Lightnings and some Mustangs were the first to get the new heads and the number of threads wasn't the problem it was over tightening from the factory and then it got on the internet and people went out and tightened them even more. My tuners Lightning is on 4 thread heads has never blown a plug out and it makes about 500hp.</p></blockquote><p></p>
[QUOTE="The Tank, post: 114579, member: 3040"] It was mid 2001 the Lightnings and some Mustangs were the first to get the new heads and the number of threads wasn't the problem it was over tightening from the factory and then it got on the internet and people went out and tightened them even more. My tuners Lightning is on 4 thread heads has never blown a plug out and it makes about 500hp. [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
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